Fundamentals - Cboe Global Markets (CBOE)

Segments are charted by their disclosed metrics (revenue, segment profit, etc.). Each line is a single segment. Reconciliation/corporate items are excluded. Major customers are shown as a percentage of revenue. Operational KPIs are grouped by metric concept; sub-metrics appear as separate lines.

Geographic Segments

No 10-K data

Business Unit / Product Segments

Major Customers (% of Revenue)

No 10-Q data

Operational KPIs

Average revenue per contract (arpu)

OCC clearing members (customers)

Average daily cleared value (gmv)

No 10-Q data

Employees (headcount)

No 10-Q data

U.S. ETP Launches (orders_received)

No 10-Q data

ADNV (other)

No 10-K data

ADV (other)

No 10-K data

ADV (matched shares) (other)

No 10-K data

ADV (touched shares) (other)

No 10-K data

ADV matched shares (other)

No 10-K data

Adjusted EBITDA margin (other)

No 10-K data

Adjusted cash (other)

No 10-K data

Annual Contract Volume (other)

No 10-Q data

Australian Equities ADNV (other)

No 10-Q data

Australian Equities Market Share (other)

No 10-Q data

Australian equities ADNV (other)

No 10-K data

Australian equities average daily notional volume (other)

Australian equities average daily volume (other)

No 10-K data

Australian equities market share (other)

Australian equities net capture (other)

Australian equities volume (other)

No 10-K data

Average Daily Cleared Value (other)

No 10-Q data

Average Daily Notional Value (other)

Average Daily Volume (other)

Average EUR/GBP exchange rate (other)

No 10-K data

Average GBP/USD exchange rate (other)

No 10-K data

Average daily cleared value (other)

No 10-Q data

Average daily notional value (other)

Average daily notional volume (other)

Average daily settlement value (other)

No 10-Q data

Average daily trading volume (other)

No 10-K data

Average daily volume (other)

Average exchange rate (other)

No 10-K data

Average fee per contract (other)

No 10-Q data

Average repurchase price (other)

No 10-K data

Average revenue per contract (other)

Average transaction fee (other)

No 10-K data

Average transaction fee per contract (other)

British pound/U.S. dollar exchange rate (other)

No 10-K data

Buyback authorization remaining (other)

No 10-K data

Canadian Equities ADV (other)

No 10-Q data

Canadian equities ADV (other)

No 10-K data

Canadian equities average daily volume (other)

Canadian equities net capture (other)

Canadian equities volume (other)

No 10-K data

Cash dividends per share (other)

No 10-K data

Cboe Clear Europe Market Share (other)

No 10-Q data

Cboe Clear Europe Trades (other)

No 10-Q data

Cboe Clear Europe net settlement volume (other)

No 10-K data

Cboe European equities matched ADNV (other)

No 10-K data

Cleared options market share (other)

No 10-K data

Clearing fee per trade (other)

Clearing firms (other)

Clearing member Trading Permit Holders (other)

No 10-K data

Clearing members (other)

No 10-K data

Clearing participant deposits (other)

No 10-K data

Common Stock Outstanding (other)

No 10-Q data

Common shares outstanding (other)

No 10-K data

Contract volume (other)

No 10-Q data

Contract volume traded (other)

No 10-Q data

Daily messages processed (other)

No 10-Q data

Digital assets safeguarded (other)

No 10-K data

EBITDA margin (other)

No 10-K data

ETFs and ETNs with options (other)

No 10-Q data

ETP Launches (other)

No 10-Q data

ETP Listings (other)

No 10-Q data

ETP Listings Added (other)

No 10-Q data

ETP issuers (other)

No 10-Q data

ETP launches (other)

ETP launches market share (other)

No 10-K data

ETP listings (other)

ETP listings market share (other)

No 10-K data

Electronic access permits (other)

No 10-K data

Euro/British pound exchange rate (other)

No 10-K data

EuroCCP Net Settlement Volume (other)

No 10-Q data

EuroCCP Trades Cleared (other)

No 10-Q data

EuroCCP net settlement volume (other)

No 10-K data

EuroCCP trades cleared (other)

No 10-K data

Europe equities ADNV (other)

No 10-K data

Europe equities market ADNV (other)

No 10-K data

Europe equities market share (other)

No 10-K data

Europe equities net capture (other)

No 10-K data

European Equities ADNV (other)

European Equities Average Daily Notional Value (other)

No 10-Q data

European Equities Market ADNV (other)

No 10-Q data

European Equities Market Share (other)

No 10-Q data

European Equities Matched ADNV (other)

No 10-Q data

European Equities average daily notional value (other)

No 10-Q data

European Equities market ADNV (other)

No 10-K data

European Equities market share (other)

European Equities net capture (other)

European Trades Cleared (other)

No 10-Q data

European clearing market share (other)

No 10-K data

European equities average daily notional value (other)

European equities average daily notional volume (other)

European equities average daily volume (other)

No 10-K data

European equities market ADNV (other)

No 10-K data

European equities market ADV (other)

No 10-K data

European equities market average daily notional value (other)

European equities market share (other)

European equities market share cleared (other)

European equities market volume (other)

No 10-K data

European equities matched ADNV (other)

No 10-K data

European equities net capture (other)

European equities volume (other)

No 10-K data

Exchange rate (other)

No 10-K data

Exchange-traded options market share (other)

No 10-K data

Exchanges operated (other)

No 10-Q data

FX average daily notional volume (other)

FX net capture (other)

No 10-K data

FX volume (other)

No 10-K data

Fee Per Trade (other)

No 10-Q data

Fee per trade cleared (other)

Foreign revenue exposure (other)

No 10-K data

Futures ADV (other)

Futures Average Daily Volume (other)

No 10-Q data

Futures average daily volume (other)

Futures net capture (other)

No 10-K data

Futures products (other)

No 10-Q data

Futures revenue per contract (other)

Futures volume (other)

No 10-K data

Global ETP listings (other)

No 10-Q data

Global FX ADNV (other)

Global FX Average Daily Notional Value (other)

No 10-Q data

Global FX Market Share (other)

No 10-Q data

Global FX average daily notional value (other)

Global FX average daily notional volume (other)

Global FX average daily volume (other)

No 10-K data

Global FX market share (other)

Global FX net capture (other)

Global listings added (other)

No 10-Q data

Index and futures volume share (other)

No 10-K data

Index contract ADV (other)

No 10-K data

Index options ADV (other)

No 10-K data

Index options RPC (other)

No 10-K data

Index options and futures volume mix (other)

No 10-K data

Index options average daily volume (other)

No 10-K data

Index options market share (other)

No 10-K data

Index options revenue per contract (other)

Industry cleared options volume (other)

No 10-Q data

Japanese Equities ADNV (other)

No 10-Q data

Japanese Equities Market Share (other)

No 10-Q data

Japanese equities ADNV (other)

No 10-K data

Japanese equities average daily notional volume (other)

Japanese equities average daily volume (other)

No 10-K data

Japanese equities market share (other)

Japanese equities net capture (other)

Listed options underlyings (other)

No 10-Q data

Listed underlying products (other)

No 10-Q data

Listed underlyings (other)

No 10-Q data

Listings (other)

No 10-Q data

Listings added (other)

No 10-Q data

Listings outstanding (other)

No 10-Q data

Margin deposits and clearing funds (other)

No 10-K data

Market ADNV (other)

No 10-K data

Market ADV (other)

No 10-K data

Market Data Terminals (other)

No 10-Q data

Market Share (other)

Market Value of Voting Common Equity (other)

No 10-Q data

Market average daily notional volume (other)

No 10-K data

Market average daily volume (other)

No 10-K data

Market data terminals (other)

No 10-Q data

Market share (other)

Market share - Continuous (other)

No 10-K data

Market share of options contracts (other)

No 10-K data

Market share of options contracts traded (other)

No 10-K data

Market share of options volume (other)

Matched ADNV (other)

No 10-K data

Multi-listed contract ADV (other)

No 10-K data

Multi-listed options ADV (other)

No 10-K data

Multi-listed options RPC (other)

No 10-K data

Multi-listed options market share (other)

No 10-K data

Multi-listed options revenue per contract (other)

No 10-K data

Multiply-listed options revenue per contract (other)

No 10-Q data

Net Capture (other)

Net Fee Per Settlement (other)

No 10-Q data

Net Settlement Value (other)

No 10-Q data

Net Settlement Volume (other)

No 10-Q data

Net capture (other)

No 10-K data

Net capture rate (other)

Net fee per settlement (other)

Net settlement volume (other)

Net settlements (other)

Netting Elimination (other)

No 10-Q data

New ETP Launches (other)

No 10-Q data

New U.S. ETP listing win rate (other)

No 10-Q data

Nonvested restricted stock units (other)

No 10-K data

Notional volume cleared (other)

No 10-Q data

Number of Reportable Segments (other)

OCC clearing member firms (other)

No 10-Q data

OPRA cleared options share (other)

OPRA income share (other)

OPRA market data revenue share (other)

No 10-Q data

OPRA market share (other)

No 10-K data

OPRA revenue share (other)

No 10-Q data

OPRA share of cleared options (other)

No 10-K data

Off-exchange ADV (other)

No 10-K data

Off-exchange net capture (other)

No 10-K data

Options ADV (other)

Options Average Daily Volume (other)

No 10-Q data

Options Index Contract ADV (other)

No 10-Q data

Options Market ADV (other)

No 10-Q data

Options Market Share (other)

No 10-Q data

Options Multi-Listed Contract ADV (other)

No 10-Q data

Options Total Touched Contracts (other)

No 10-Q data

Options average daily volume (other)

Options contracts touched (other)

No 10-K data

Options exchanges (other)

No 10-Q data

Options market ADV (other)

No 10-K data

Options market average daily volume (other)

Options market share (other)

Options market volume (other)

Options revenue per contract (other)

Options trading days (other)

No 10-Q data

Options volume (other)

No 10-K data

Options volume touched (other)

No 10-K data

Outstanding Common Stock (other)

No 10-Q data

Outstanding Shares (other)

No 10-Q data

Outstanding shares (other)

No 10-Q data

Peak inbound messages (other)

No 10-Q data

Peak message traffic (other)

No 10-Q data

Penny Pilot Program classes (other)

No 10-K data

Proprietary indexes (other)

No 10-Q data

Regulatory capital minimum requirement (other)

No 10-K data

Repurchase authorization remaining (other)

No 10-K data

Restricted stock grants (other)

No 10-Q data

Revenue Per Contract (other)

No 10-Q data

Revenue per contract (other)

Revenue per contract growth (other)

No 10-K data

Share of OPRA income (other)

Share of cleared options (other)

No 10-K data

Share of cleared options transactions (other)

Share of new U.S. ETP listings (other)

No 10-Q data

Share repurchase authorization remaining (other)

No 10-K data

Share repurchase availability (other)

No 10-K data

Shares outstanding (other)

No 10-K data

Shares repurchased (other)

No 10-K data

Total Contract Volume (other)

No 10-Q data

Total Options market share (other)

No 10-K data

Total contract volume (other)

No 10-Q data

Total contracts traded (other)

No 10-K data

Total matched shares (other)

No 10-K data

Total touched contracts (other)

No 10-K data

Total touched shares (other)

No 10-K data

Total trading volume (other)

No 10-K data

Trades Cleared (other)

No 10-Q data

Trades cleared (other)

Trading Days (other)

No 10-Q data

Trading Permit Holders (other)

No 10-K data

Trading Permits (other)

No 10-Q data

Trading access permits (other)

No 10-K data

Trading days (other)

Trading permit access points (other)

No 10-K data

Trading venues (other)

No 10-K data

Trading volume (other)

No 10-K data

Trading volume change (other)

No 10-K data

Trading volume growth (other)

No 10-K data

Treasury shares (other)

No 10-K data

Treasury shares held (other)

No 10-K data

U.K. revenue share (other)

No 10-Q data

U.S. ETP Launches (other)

No 10-Q data

U.S. ETP Listings (other)

No 10-Q data

U.S. ETP launches (other)

U.S. ETP listings (other)

U.S. ETPs launches (other)

No 10-K data

U.S. ETPs listings (other)

No 10-K data

U.S. ETPs: launches (other)

No 10-K data

U.S. ETPs: listings (other)

No 10-K data

U.S. Equities ADV (other)

U.S. Equities Average Daily Volume (other)

No 10-Q data

U.S. Equities Market ADV (other)

No 10-Q data

U.S. Equities Market Share (other)

No 10-Q data

U.S. Equities Off-Exchange ADV (other)

No 10-Q data

U.S. Equities Total Touched Shares (other)

No 10-Q data

U.S. Equities average daily volume (other)

No 10-Q data

U.S. Equities market ADV (other)

No 10-K data

U.S. Equities market share (other)

U.S. Equities net capture (other)

U.S. equities ADV (other)

No 10-K data

U.S. equities average daily volume (other)

U.S. equities exchange net capture (other)

No 10-K data

U.S. equities market ADV (other)

No 10-K data

U.S. equities market average daily volume (other)

U.S. equities market share (other)

U.S. equities market volume (other)

U.S. equities matched volume (other)

U.S. equities net capture (other)

U.S. equities off-exchange net capture (other)

U.S. equities off-exchange touched shares (other)

No 10-K data

U.S. equities off-exchange volume (other)

U.S. equities shares touched (other)

No 10-K data

U.S. equities touched shares (other)

No 10-K data

U.S. equities touched volume (other)

No 10-K data

U.S. equities volume touched (other)

No 10-K data

U.S. options market share (other)

No 10-Q data

UK share of net revenue (other)

No 10-Q data

Underlying products (other)

No 10-Q data

Unrecognized compensation cost (other)

No 10-K data

Unrecognized stock compensation (other)

No 10-K data

Unvested restricted stock (other)

No 10-K data

Volume mix (other)

No 10-K data

Average daily volume (production_volume)

No 10-Q data

U.S. ETP Listings (properties)

No 10-Q data

Square footage occupied (square_footage)

No 10-Q data

Average daily volume (throughput)

No 10-Q data

Global FX ADNV (transactions)

Average Daily Volume (units_shipped)

No 10-Q data

Human capital disclosures. Workforce totals and demographics are point-in-time. Flow metrics use the year-to-date period for 10-Q and full year for 10-K. Workforce actions (RIFs, restructurings, acquisition-related changes) are listed in the table at the bottom.

Workforce Totals

No 10-Q data

Demographics

No demographic data found.

Workforce Breakdowns

No 10-Q data

HCM Metrics — Point-in-Time

No point-in-time HCM metrics found.

HCM Metrics — Flow (Annual / YTD)

No flow HCM metrics found.

Workforce Actions

Period End	Type	Status	Affected	% Workforce	Announced	Expected Completion	Geography	Segment / Function	Charge	Source	Note
2026-06-30	restructuring	in_progress			2026-05-01	2026-12-31	Global	Multiple segments including Options, North American Equities, Europe and Asia Pacific, Futures, Global FX, and Corporate	USD 29 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Strategic realignment includes wind downs of Cboe Digital, Cboe Japan, and CEDX plus resource optimization. Six-month 2026 charges: $23.3M compensation and benefits, $4.0M professional fees, $1.9M technology support, net $(0.4)M other. Remaining estimated compensation and benefits costs of $13.0M. No employee count disclosed.
2026-06-30	divestiture_reduction	in_progress			2026-04-22		Australia and Canada	Europe and Asia Pacific; North American Equities		restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement to sell Cboe Australia and Cboe Canada to TMX Group for approximately $300 million. Assets and liabilities classified as held for sale in April 2026. Cboe Australia sale expected to close Q3 2026. No headcount associated with the divestiture disclosed.
2026-06-30	plant_closure	completed			2026-01-09	2026-02-23	Europe	Europe and Asia Pacific (CEDX pan-European derivatives platform)	USD 6 (millions)	other f5-10q / MiMo-V2.6-Flash-fp8-HTML	CEDX exchange service wind down formally initiated January 2026; decommissioned effective February 23, 2026. $5.6M impairment charge on data processing software and prepaid expenses recorded in Q4 2025. No employee count disclosed.
2026-06-30	restructuring	in_progress			2026-05-01	2026-12-31	Global	Various (Options, North American Equities, Europe and Asia Pacific, Futures, Global FX, Corporate)	USD 24 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Announced May 1, 2026. Includes severance, relocation, post-employment benefits, professional fees, and contract terminations. Q2 2026 charges: $21.7M compensation/benefits, $2.5M professional fees, $0.1M tech support. Remaining estimated costs: $13.0M in compensation and benefits.
2026-06-30	plant_closure	completed			2025-07-23	2026-03-23	Japan	Europe and Asia Pacific		restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Wind down of Cboe Japan proprietary trading system and BIDS Japan block trading platform. Operations suspended Aug 29, 2025; formally closed March 23, 2026. Impairment charges recorded in prior periods ($1.8M fixed assets, $2.7M software).
2026-06-30	plant_closure	completed			2026-01-01	2026-02-28	Europe	Europe and Asia Pacific		restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Wind down of CEDX exchange service initiated Jan 2026, completed Feb 2026. Impairment charges recorded in prior periods ($5.6M software/prepaid expenses).
2026-06-30	restructuring	in_progress						Operating Segments [Member] / Options [Member]	USD 14,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-06-30	restructuring	in_progress						Operating Segments [Member] / North American Equities [Member]	USD 3,400,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-06-30	restructuring	in_progress						Operating Segments [Member] / Europe And Asia Pacific [Member]	USD 2,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-06-30	restructuring	in_progress						Operating Segments [Member] / Futures [Member]	USD 1,400,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-06-30	restructuring	in_progress						Operating Segments [Member] / Global FX [Member]	USD 600,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-06-30	restructuring	in_progress						Corporate And Eliminations [Member]	USD 300,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-06-30	restructuring	in_progress							USD 21,700,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2026-03-31	restructuring	announced			2026-05-01	2026-12-31	Global	Enterprise-wide	USD 36 (millions)	subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Pre-tax restructuring charge estimated at $36M to $46M, primarily severance, with most costs expected Q2–Q4 2026. Annualized pre-tax savings of $40M to $50M, of which $20M to $25M expected in 2026. Combined with earlier actions to sell, wind down and optimize businesses, the Company expects to reduce its workforce by approximately 20%. Position eliminations subject to local law and consultation requirements in certain countries, which may extend beyond end of 2026. No headcount figure disclosed for this action alone.
2026-03-31	divestiture_reduction	announced			2026-04-22		Australia; Canada	Europe and Asia Pacific segment (Cboe Australia); North American Equities segment (Cboe Canada)		subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement to sell both businesses to TMX Group Limited for approximately $300 million, subject to customary closing conditions and regulatory approvals; sales expected to close separately. Classified as held-for-sale in April 2026 but not discontinued operations. Transition services to be provided for a limited time after closing. No employee count disclosed.
2026-03-31	restructuring	completed			2026-01-09	2026-02-23	Europe (Netherlands)	Europe and Asia Pacific segment — CEDX pan-European derivatives platform		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Wind down of CEDX formally initiated January 2026 following strategic review; exchange service decommissioned effective 2026-02-23. A $5.6 million impairment charge for data processing software and prepaid expenses was recorded in Q4 2025. No employee count disclosed.
2026-03-31	plant_closure	completed			2025-07-23	2026-03-23	Japan	Europe and Asia Pacific segment — Cboe Japan proprietary trading system and Cboe BIDS Japan block trading platform		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Japanese equities business wind down announced 2025-07-23; operations suspended 2025-08-29 and business formally closed 2026-03-23 upon regulatory approval to discontinue Financial Instruments Business registration. Prior-period impairment charges totaled $18.9 million for intangible assets plus $1.8 million fixed assets and $2.7 million data processing software. No employee count disclosed.
2026-03-31	restructuring	in_progress					Global	Enterprise-wide	USD 5 (millions)	MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Q1 2026 business realignment costs of $5.1 million relating to previously announced business realignment initiatives: $1.6M compensation and benefits, $1.8M technology support services, $1.5M professional fees and outside services, $0.2M other expenses. No employee count or announcement date disclosed in this filing.
2026-03-31	restructuring	announced		20%	2026-05-01	2026-12-31	Global	All segments	USD 41 (millions)	subsequent_events f5-10q / Qwen3.6-27B-Q8_0	Announced May 1, 2026. Expected pre-tax charges of $36M-$46M (midpoint used). Combined with earlier actions, expected to reduce workforce by approx 20%. Completion substantially by end of 2026, though local consultation may extend timeline.
2025-12-31	plant_closure	in_progress			2025-07-23		Japan	Europe and Asia Pacific — Japanese equities business (Cboe Japan proprietary trading system and Cboe BIDS Japan block trading platform)	USD 23 (millions)	Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Operations suspended 2025-08-29; formal closure pending regulator consultation. Charge comprises $18.9M intangibles, $1.8M fixed assets, $2.7M data processing software. Employees affected not disclosed; Japan headcount was 17 at year-end.
2025-12-31	divestiture_reduction	in_progress			2025-01-01		Australia; Canada	Cboe Australia and Cboe Canada businesses	USD 18 (millions)	Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Sales processes initiated during 2025 following a comprehensive strategic review; announcement date not specified beyond 'in 2025'. Charge is the Q4 2025 cumulative impairment of Cboe Canada intangible assets; no Australia charge disclosed. Employees affected not disclosed.
2025-12-31	restructuring	completed			2025-01-01		United States; Europe	Corporate Listings (US and European) — discontinued		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	US and European Corporate Listings efforts discontinued during 2025; no specific announcement date, employee count, or charge disclosed.
2025-12-31	restructuring	in_progress			2025-01-01		United States; Europe	ETP Listings businesses, Cboe Europe Derivatives (CEDX), and smaller Risk and Market Analytics businesses — cost reductions	USD 7 (millions)	MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	FY2025 business realignment costs of $7.0M comprise $5.1M compensation and benefits, $0.5M professional fees, $1.4M other. Employees affected not disclosed; announcement date not specified beyond 'in 2025'.
2025-12-31	plant_closure	announced			2026-01-09	2026-02-23	Netherlands / Europe	Europe and Asia Pacific — CEDX pan-European derivatives exchange	USD 6 (millions)	subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Wind down formally initiated January 2026; CEDX release to participants 2026-01-09; exchange service decommissioned effective 2026-02-23. Charge of $5.6M for data processing software and prepaid expenses was recorded in FY2025. Employees affected not disclosed.
2025-12-31	restructuring	completed			2025-07-23	2025-08-29	Japan	Cboe Japan	USD 23 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Wind down of Japanese equities business, including cessation of Cboe Japan proprietary trading system and Cboe BIDS Japan block trading platform. Operations suspended August 29, 2025. Charge includes $17.1M interim impairment and $1.8M additional impairment plus $1.8M fixed asset impairment (total $23.4M mentioned in context of wind down costs/impairments).
2025-12-31	restructuring	completed			2025-01-01	2025-12-31	Canada	Cboe Canada	USD 18 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Sales process initiated for Cboe Canada business. Recorded $17.7M impairment charge related to Cboe Canada's intangible assets in Q4 2025.
2025-12-31	restructuring	completed			2025-01-01	2025-12-31	Europe	Cboe Clear Europe / CEDX	USD 6 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Reduced costs associated with CEDX. Recorded $5.6M impairment charge of internally developed software and prepaid expenses on Cboe Clear Europe related to CEDX wind down.
2025-12-31	restructuring	announced			2026-01-01	2026-02-23	Europe	CEDX		subsequent_events f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Subsequent to December 31, 2025, Cboe initiated the wind down of CEDX. Exchange service decommissioned effective February 23, 2026.
2025-12-31	restructuring	in_progress			2025-07-23		Japan	Equities	USD 23 (millions)	Item 1. Business - Risk Factors f5-10k / Qwen3.6-27B-Q8_0	Company announced wind down of Cboe Japan proprietary trading system and BIDS Japan block trading platform. Operations suspended August 29, 2025. Impairment charge of $23.4 million recorded for assets. Employee count affected not explicitly disclosed.
2025-12-31	restructuring	in_progress			2025-12-31		Europe	Derivatives	USD 6 (millions)	Item 1. Business - Risk Factors f5-10k / Qwen3.6-27B-Q8_0	Subsequent to Dec 31, 2025, initiated wind down of CEDX pan-European derivatives platform. Impairment charge of $5.6 million recorded for software and prepaid expenses. Employee count affected not explicitly disclosed.
2025-12-31	restructuring	in_progress			2025-12-31		Australia	Equities		Item 1. Business - Risk Factors f5-10k / Qwen3.6-27B-Q8_0	Initiated sale processes for Australia equities business. No specific employee count or charge disclosed.
2025-12-31	restructuring	in_progress			2025-12-31		Canada	Equities	USD 18 (millions)	Item 1. Business - Risk Factors f5-10k / Qwen3.6-27B-Q8_0	Initiated sale processes for Canada equities business. Impairment charge of $17.7 million recorded for intangible assets. Employee count affected not explicitly disclosed.
2025-09-30	plant_closure	in_progress			2025-07-23		Japan	Europe and Asia Pacific	USD 5 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Wind down of Cboe Japan proprietary trading system and Cboe BIDS Japan block trading platform; operations suspended 2025-08-29, formal closure pending regulator consultation. Charge shown is Q3 impairment of assets; an additional $2.4M of wind-down costs was recorded in the quarter. No employee count disclosed.
2025-09-30	divestiture_reduction	announced					Canada, Australia	North American Equities; Europe and Asia Pacific		subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-quarter announcement of a sales process for the Canadian equities and Australian equities businesses; management assessing fair value against carrying values. Filer states year-to-date impact on net revenue, expenses, and net income is not material. No employee count or announcement date disclosed.
2025-09-30	restructuring	in_progress			2025-07-23		Japan	Europe and Asia Pacific	USD 5 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Wind down of Cboe Japan equities business, including proprietary trading system and BIDS Japan block trading platform. Operations suspended August 29, 2025. Impairment charge of $4.5 million recorded for Q3 2025 related to indefinite-lived intangible assets and technology-related software.
2025-09-30	other	completed			2025-05-28	2025-08-01	Global	Executive Management		MD&A f5-10q / Qwen3.6-27B-Q8_0	Resignation of Dave Howson, Executive Vice President and Global President. Employment terminated August 1, 2025. Craig S. Donohue appointed President effective August 2, 2025.
2025-06-30	plant_closure	announced			2025-07-23	2025-08-29	Japan	Europe and Asia Pacific — Cboe Japan equities business (proprietary trading system and BIDS Japan block trading platform)	USD 5 (millions)	subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Estimated pre-tax charge expected in Q3 2025, primarily non-cash impairment of indefinite-lived intangibles and technology software; no employee count disclosed. Cboe Japan net revenue was $3.3M in Q2 2025.
2025-06-30	plant_closure	announced			2025-07-23	2025-08-29	Japan	Europe and Asia Pacific	USD 5 (millions)	subsequent_events f5-10q / Qwen3.6-27B-Q8_0	Announced wind down of Cboe Japan proprietary trading system and BIDS Japan block trading platform. Expected pre-tax charge of $4.6 million primarily for non-cash impairment of indefinite-lived intangible assets and technology-related software.
2024-12-31	other	completed			2024-04-25	2024-05-31	United States	Digital	USD 2 (millions)	Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Cboe announced wind-down of the Cboe Digital spot market (closed 2024-05-31) and unwinding of the minority ownership structure; no employee impact or headcount reduction was disclosed. Related costs of $2.1 million recorded in 2024 and an $81.0 million intangible asset impairment in Q2 2024. Digital expected to cease as a distinct reportable segment in Q1 2025.
2024-03-31	restructuring	announced			2024-04-25		United States	Digital	USD 39 (millions)	subsequent_events f5-10q / Qwen3.6-27B-Q8_0	Company announced plans to wind down Cboe Digital spot crypto market and unwind minority ownership structure. Estimated pre-tax charge of $39 million to $82 million expected in Q2 2024, primarily for non-cash impairment of long-lived and indefinite-lived intangible assets. No specific employee count disclosed.
2022-12-31	acquisition_addition	completed			2021-10-20	2022-05-02	United States	Digital		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of ErisX, rebranded Cboe Digital, closed May 2, 2022; headcount added not disclosed.
2022-12-31	acquisition_addition	completed			2021-11-15	2022-06-01	Canada	North American Equities		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of NEO Exchange Inc. closed June 1, 2022; headcount added not disclosed.
2022-12-31	acquisition_addition	completed			2022-05-02		United States	Digital		Item 1_Business f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Acquisition of ErisX (rebranded Cboe Digital) completed May 2, 2022. Specific headcount addition not disclosed.
2022-12-31	acquisition_addition	completed			2022-06-01		Canada	North American Equities		Item 1_Business f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Acquisition of NEO Exchange Inc. completed June 1, 2022. Specific headcount addition not disclosed.
2022-06-30	acquisition_addition	completed			2021-10-20	2022-05-02	United States	Digital		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Acquisition of ErisX completed May 2, 2022. No employee headcount added disclosed.
2022-06-30	acquisition_addition	completed			2021-11-15	2022-06-01	Canada	North American Equities		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Acquisition of NEO completed June 1, 2022. No employee headcount added disclosed.
2022-06-30	acquisition_addition	completed			2022-05-02	2022-05-02	United States	Digital		business_combinations_footnote f5-10q / Qwen3.6-27B-Q8_0	Acquisition of ErisX completed May 2, 2022. Headcount not disclosed.
2022-06-30	acquisition_addition	completed			2022-06-01	2022-06-01	Canada	North American Equities		business_combinations_footnote f5-10q / Qwen3.6-27B-Q8_0	Acquisition of NEO completed June 1, 2022. Headcount not disclosed.
2021-12-31	acquisition_addition	completed			2021-07-01	2021-07-01	Australia and Japan	Europe and Asia Pacific		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of Chi-X Asia Pacific Holdings, Ltd. closed 2021-07-01; acquired business had total assets of $266.5M and total revenues of $17.1M for the stub period. Headcount added not disclosed.
2021-12-31	acquisition_addition	announced			2021-10-20	2022-06-30	United States	Digital assets (planned Cboe Digital)		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement to acquire Eris Digital Holdings, LLC announced 2021-10-20; expected to close in the first half of 2022 subject to regulatory approvals. Headcount not disclosed.
2021-12-31	acquisition_addition	announced			2021-11-15	2022-06-30	Canada	North American Equities		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement to acquire Aequitas Innovations, Inc. (NEO Exchange) announced 2021-11-15; expected to close in the first half of 2022 subject to regulatory review. Headcount not disclosed.
2021-06-30	acquisition_addition	completed			2021-03-24	2021-07-01	Asia Pacific (Australia and Japan)	North American Equities / global equities expansion		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement announced 2021-03-24; transaction closed 2021-07-01 (after quarter end). No headcount added disclosed in the filing.
2020-12-31	acquisition_addition	completed			2020-02-03	2020-02-03	United States	Options		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Purchase of Hanweck Associates and FT Providers assets; headcount added not disclosed
2020-12-31	acquisition_addition	completed			2020-06-01	2020-06-01	United States	Options		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Purchase of Trade Alert assets; headcount added not disclosed
2020-12-31	acquisition_addition	completed			2020-07-01	2020-07-01	Netherlands	European Equities		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of remaining 80% interest in EuroCCP; headcount added not disclosed
2020-12-31	acquisition_addition	completed			2020-08-04	2020-08-04	Canada	North American Equities		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of MATCHNow equities ATS; headcount added not disclosed
2020-12-31	acquisition_addition	completed			2020-12-31	2020-12-31	United States	North American Equities		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of BIDS Holdings (BIDS Trading ATS); headcount added not disclosed
2020-12-31	acquisition_addition	completed			2020-02-03	2020-02-03	United States	Options		Item 1 - Business - Recent Developments f5-10k / Qwen3.6-27B-Q8_0	Purchased Hanweck Associates, LLC and assets of FT Providers, LLC. Specific headcount not disclosed.
2020-12-31	acquisition_addition	completed			2020-06-01	2020-06-01	United States	Options		Item 1 - Business - Recent Developments f5-10k / Qwen3.6-27B-Q8_0	Purchased assets of Trade Alert, LLC. Specific headcount not disclosed.
2020-12-31	acquisition_addition	completed			2020-07-01	2020-07-01	Europe	European Equities		Item 1 - Business - Recent Developments f5-10k / Qwen3.6-27B-Q8_0	Completed acquisition of remaining 80% interest in EuroCCP. Specific headcount not disclosed.
2020-12-31	acquisition_addition	completed			2020-08-04	2020-08-04	Canada	North American Equities		Item 1 - Business - Recent Developments f5-10k / Qwen3.6-27B-Q8_0	Completed acquisition of MATCHNow. Specific headcount not disclosed.
2020-12-31	acquisition_addition	completed			2020-12-31	2020-12-31	United States	North American Equities		Item 1 - Business - Recent Developments f5-10k / Qwen3.6-27B-Q8_0	Completed acquisition of BIDS Holdings. Specific headcount not disclosed.
2020-06-30	acquisition_addition	completed			2020-02-03	2020-02-03	United States	Options		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Purchase of Hanweck Associates, LLC and assets of FT Providers, LLC (risk analytics providers); no headcount added disclosed. Closed within the six-month YTD period.
2020-06-30	acquisition_addition	completed			2020-06-01	2020-06-01	United States	Options		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Purchase of assets of Trade Alert, LLC (real-time alerts and order flow analysis); no headcount added disclosed.
2020-06-30	acquisition_addition	announced			2020-07-01	2020-07-01	Europe	European Equities / clearing		subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Acquisition of the remaining 80% interest in European Central Counterparty N.V. (EuroCCP); no headcount disclosed.
2019-12-31	restructuring	in_progress					United States	Corporate	USD 11 (millions)	restructuring_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Current-year accrual only; $10.1M paid during 2019, $6.7M balance at year-end. Positions deemed redundant after the Bats acquisition; no employee count disclosed.
2019-12-31	acquisition_addition	announced			2020-02	2020-02	United States	Other		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Subsequent-event acquisitions of Hanweck Associates and FT Providers completed with cash on hand; no headcount disclosed.
2019-12-31	restructuring	completed					Global	Corporate / Options	USD 11 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Termination benefits accrued of $10.7 million recognized in compensation and benefits. Balance at year-end was $6.7 million.
2019-12-31	acquisition_addition	completed			2020-02-01		United States	Risk Analytics / Portfolio Management		Item 1 - Recent Developments f5-10k / Qwen3.6-27B-Q8_0	Acquired Hanweck Associates, LLC and FT Providers, LLC in February 2020. Headcount not disclosed.
2019-12-31	restructuring	completed			2019-12-31		Chicago, Illinois	Corporate / Facilities	USD 6 (millions)	MD&A - Operating Expenses f5-10k / Qwen3.6-27B-Q8_0	Write down of Chicago headquarters location attributed to reduction in employee workspace needed as a result of the Bats acquisition. Impairment charge of $6.1 million recorded.
2019-12-31	restructuring	in_progress							USD 10,700,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2019-09-30	restructuring	in_progress					Chicago, Illinois	Corporate / Options	USD 10 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Balance of employee termination benefits as of Sept 30, 2019. Related to redundant positions post-Bats acquisition. No specific headcount disclosed.
2019-09-30	restructuring	in_progress							USD 7,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2019-06-30	restructuring	in_progress								restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition program for employees whose positions were deemed redundant; termination-benefit accrual fell from $6.1M at 2018-12-31 to $1.0M at 2019-06-30 via a $2.7M accrual adjustment and $2.4M of payments. No employee count, charge for the period, or completion date disclosed.
2019-06-30	restructuring	announced						Cboe Vest (Corporate and Other segment)		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Anticipated restructuring of Cboe Vest triggered a goodwill impairment test and a $10.5M impairment charge in Q2 2019; no workforce figures, headcount impact, or timing disclosed.
2019-06-30	restructuring	in_progress					Chicago	Corporate / Options	USD 6 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Impairment of facilities charges related to headquarters location classified as held for sale due to reduction in employee workspace needed post-Bats acquisition.
2019-06-30	restructuring	in_progress						Corporate and Other	USD 11 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Impairment of goodwill related to Cboe Vest entity due to anticipated restructuring.
2019-06-30	restructuring	in_progress							USD 2 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Termination payments made for redundant positions identified subsequent to Bats acquisition. Balance reduced from $6.1M to $1.0M.
2019-06-30	restructuring	in_progress							USD -2,700,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2019-03-31	restructuring	in_progress					United States	Corporate / post-Bats integration	USD 2 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition employee termination benefits; accrual reduced by $2.3M adjustment and $2.1M payments in Q1 2019, leaving $1.7M balance at 2019-03-31. No employee count disclosed.
2019-03-31	restructuring	in_progress							USD 2 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Termination benefits accrual adjustment of $2.3 million and payments of $2.1 million related to redundant positions from the Bats acquisition. Employee count not disclosed.
2019-03-31	restructuring	in_progress							USD -2,300,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2018-12-31	restructuring	completed					United States	Corporate		restructuring_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition, the Company determined certain employees' positions were redundant and communicated termination benefits; headcount affected not disclosed. Combined 2018 termination benefits accrual of $15.3M (shared with the VSP record) is not split between the two actions.
2018-12-31	voluntary_separation	completed			2018-07		United States	Corporate	USD 15 (millions)	restructuring_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Voluntary separation plan established July 2018 for select associates; irrevocable acceptance period has ended. Charge shown is total employee termination benefits accrued during 2018, which also covers positions determined redundant post-Bats; participants not separately counted. Termination benefits balance was $6.1M at 2018-12-31.
2018-12-31	voluntary_separation	in_progress			2018-07		Global	Various	USD 15 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	In July 2018, the Company established a voluntary separation plan (VSP) for select associates. Termination benefits accrued totaled $15.3 million. The irrevocable acceptance period for most VSP associates has ended.
2018-12-31	voluntary_separation	in_progress			2018-07		Global	Various	USD 15 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-Q8_0	Voluntary separation plan established in July 2018 for select associates. Termination benefits accrued of $15.3 million.
2018-12-31	restructuring	in_progress							USD 15,300,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2018-09-30	restructuring	in_progress					United States	Corporate Items and Eliminations	USD 12 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition redundancy terminations; $11.9M benefits accrued in nine months ended 2018-09-30, $13.5M paid, $3.2M balance at quarter-end. No employee count or completion date disclosed.
2018-09-30	restructuring	in_progress						Corporate Items and Eliminations	USD 12 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Termination benefits accrued for redundant positions subsequent to the Bats acquisition. Employee count not disclosed.
2018-09-30	restructuring	in_progress							USD 11,900,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2018-06-30	restructuring	in_progress					United States	Corporate Items and Eliminations	USD 9 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats merger redundancy terminations; $9.4M accrued in H1 2018, $12.0M paid, $2.2M balance at quarter-end. No employee count disclosed.
2018-06-30	restructuring	in_progress						Corporate Items and Eliminations	USD 9 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Termination benefits accrued related to redundant positions subsequent to the Bats acquisition. Balance at June 30, 2018 was $2.2 million.
2018-06-30	restructuring	in_progress							USD 9,400,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2018-03-31	restructuring	in_progress						Corporate Items and Eliminations	USD 5 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Termination benefits accrued for redundant positions subsequent to the Bats acquisition. Employee count not disclosed.
2018-03-31	restructuring	in_progress							USD 4,600,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2017-12-31	acquisition_addition	completed			2017-02-28	2017-02-28	United States, Europe, Global	U.S. Equities, European Equities, Global FX, Options		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Merger completed February 28, 2017; Bats results consolidated from March 1, 2017. Bats headcount added is not disclosed in the filing.
2017-12-31	restructuring	in_progress			2017-02-28		United States	Corporate / multiple segments	USD 24 (millions)	other f5-10k / MiMo-V2.6-Flash-fp8-HTML	Post-Bats redundancy terminations; $24.3M termination benefits accrued during 2017, $19.9M paid, $4.8M balance at year-end. Employee count affected not disclosed. Charge sits within compensation and benefits expense.
2017-12-31	acquisition_addition	completed			2017-11-30	2017-11-30	United States	Options	USD 9 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Asset acquisition completed November 2017 for $9.0M cash; headcount acquired not disclosed.
2017-12-31	restructuring	completed			2017-02-28		Global	Various	USD 24 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Following the Bats acquisition, certain employees' positions were determined to be redundant. Termination benefits accrued were $24.3 million. Employee count not explicitly disclosed in footnote.
2017-12-31	acquisition_addition	completed			2017-02-28		Global	Various		Item_1_Business f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Acquisition of Bats Global Markets completed on February 28, 2017. Total headcount increased to 889 as of Dec 31, 2017. Specific headcount added via acquisition not explicitly isolated in text, but implied by total count and geographic breakdowns.
2017-12-31	restructuring	in_progress			2017-02-28		Global	Various	USD 24 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-Q8_0	Termination benefits accrued subsequent to Bats acquisition. Employee count not explicitly disclosed in footnote, only financial accruals.
2017-12-31	acquisition_addition	completed			2017-02-28	2017-02-28	Global	Various		business_combinations_footnote f5-10k / Qwen3.6-27B-Q8_0	Acquisition of Bats Global Markets, Inc. completed. Specific headcount added not explicitly disclosed in the footnote, though total employee count increased to 889.
2017-12-31	restructuring	in_progress							USD 24,300,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2017-09-30	restructuring	in_progress						Corporate Items and Eliminations	USD 21 (millions)	other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition redundancies; $20.7M accrued and $19.7M paid during nine months ended 2017-09-30, leaving $1.4M balance. Headcount not disclosed.
2017-09-30	acquisition_addition	completed			2017-02-28		United States, Europe	U.S. Equities, European Equities, Global FX, Options		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Bats merger closed 2017-02-28; headcount added not disclosed in filing.
2017-09-30	restructuring	in_progress			2017-02-28			Corporate Items and Eliminations	USD 21 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Post-Bats acquisition redundancy elimination. $20.7M accrued, $19.7M paid, $1.4M balance as of Sept 30, 2017. Employee count not disclosed.
2017-09-30	restructuring	in_progress						Employee Severance [Member]	USD 20,700,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2017-06-30	restructuring	in_progress					United States	Corporate Items and Eliminations	USD 20 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition, the Company identified redundant positions and communicated termination benefits; $20.3M accrued and $15.2M paid in the six months ended June 30, 2017, leaving a $5.5M balance at quarter-end. Number of employees affected not disclosed.
2017-06-30	acquisition_addition	completed			2017-02-28	2017-02-28	United States, Europe	U.S. Equities, European Equities, Global FX, Options		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Merger completed February 28, 2017; Bats became a wholly-owned subsidiary. Headcount added through the acquisition is not quantified in this filing.
2017-06-30	restructuring	in_progress			2017-02-28			Corporate Items and Eliminations	USD 20 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Post-acquisition redundancy elimination. $20.3M accrued, $15.2M paid, $5.5M balance at June 30, 2017. Employee count not disclosed.
2017-06-30	restructuring	in_progress						Employee Severance [Member]	USD 20,300,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2017-03-31	restructuring	in_progress			2017-02-28		United States	Corporate Items and Eliminations	USD 21 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-Bats acquisition redundancies; $20.5M accrued, $9.2M paid, $11.7M balance at quarter-end. Completion dates not disclosed due to ongoing integration.
2017-03-31	acquisition_addition	completed			2017-02-28	2017-02-28	United States, Europe	U.S. Equities, European Equities, Global FX		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Bats acquisition closed 2017-02-28; headcount added not separately disclosed. $37.4M equity awards issued to Bats employees as part of consideration.
2017-03-31	restructuring	in_progress			2017-02-28		Global	Corporate Items and Eliminations	USD 21 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Post-acquisition redundancy elimination. Employee count not disclosed; completion date not provided.
2017-03-31	restructuring	in_progress						Employee Severance [Member]	USD 20,500,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2016-12-31	acquisition_addition	completed			2016-01-31		United States	Asset management (CBOE Vest)		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	January 2016 acquisition of a 60% majority interest in Vest, an asset management firm, for $18.9 million cash; headcount added through the acquisition not disclosed.
2016-12-31	acquisition_addition	announced			2016-09-25	2017-02-28	United States	Exchange operations (Bats Global Markets, Inc.)		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Merger agreement with Bats signed 2016-09-25; stockholder approvals 2017-01-17 and closing expected 2017-02-28. Bats employee headcount not disclosed in this filing.
2016-06-30	acquisition_addition	completed			2016-01-01					business_combinations_footnote f5-10q / Qwen3.6-27B-Q8_0	Acquired majority equity of Vest Financial Group Inc. in January 2016. Headcount not disclosed.
2016-06-30	acquisition_addition	completed			2015-08-07					business_combinations_footnote f5-10q / Qwen3.6-27B-Q8_0	Acquired market data services and trading analytics platforms of Livevol, Inc. in August 2015. Headcount not disclosed.
2016-03-31	acquisition_addition	completed			2016-01-31	2016-01-31	United States	Asset management (CBOE Vest)		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	CBOE acquired 60% of Vest Financial Group for $18.9M cash, consolidating its operations; employee headcount added was not disclosed.
2015-12-31	acquisition_addition	completed			2015-08-07	2015-08-07	United States	Exchange services and other fees (market data services and trading analytics)		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition of the market data services and trading analytics platforms of Livevol, Inc.; purchase price $7.0 million cash plus $3.3 million contingent consideration. Headcount added through the acquisition is not disclosed.
2015-12-31	acquisition_addition	announced			2016-01-25		United States	Investment advisory (options-centric products)		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Majority equity investment in Vest Financial Group Inc., making Vest a majority-owned subsidiary; announced after fiscal year-end and before the filing date. Headcount not disclosed.
2015-12-31	restructuring	completed			2014-12-01	2015-01-01	United States	Regulatory and Systems Support	USD 3 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Transition of regulatory functions to FINRA resulted in headcount reduction and $2.5M accelerated stock-based compensation expense for certain executives. Specific employee count not disclosed.
2015-12-31	acquisition_addition	completed			2015-08-07	2015-08-07	United States	Market Data Services	USD 7 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Acquisition of Livevol, Inc. market data services and trading analytics platforms. Employee count not disclosed.
2015-12-31	restructuring	completed			2014-12-01	2014-12-31	United States	Regulatory and Systems Support	USD 3 (millions)	MD&A f5-10k / Qwen3.6-27B-Q8_0	Transition of certain regulatory functions to FINRA occurred in December 2014, resulting in a headcount reduction of over 100 employees. The filing discloses $2.5 million in severance expense related to this transition in the 2014 period, but the action is noted as a driver for 2015 compensation decreases. The exact employee count affected is stated as 'over 100' in the 2014 comparison section, but no specific count is tied to the 2015 fiscal year activity other than the resulting lower headcount.
2015-09-30	acquisition_addition	completed			2015-08-07		United States	Market data services and trading analytics		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Acquired Livevol market data and trading analytics platforms on 2015-08-07; no employee count disclosed for the acquired workforce.
2015-09-30	acquisition_addition	completed			2015-08-07					business_combinations_footnote f5-10q / Qwen3.6-27B-Q8_0	Acquired Livevol, Inc. market data services and trading analytics platforms. Headcount not disclosed.
2014-12-31	restructuring	in_progress			2014-12-31	2015-01-01	United States	Regulatory functions (with certain supporting systems staff)	USD 2 (millions)	MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	Agreement entered in December 2014 (exact day not disclosed) to outsource a majority of regulatory services for the CBOE and C2 options markets to FINRA; filer states a headcount reduction of over 100 employees as regulatory and supporting systems staff transitioned. $1.9M severance recorded in Q4 2014; MD&A also cites $2.4M of higher severance expense for the full year primarily due to this transition. FINRA began performing the services on 2015-01-01; filer expects lower employee costs and higher outside services in 2015.
2014-12-31	plant_closure	completed				2014-04-30	United States	CBOE Stock Exchange, LLC (CBSX)		MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	CBSX, a non-SRO stock trading facility of CBOE, ceased trading operations on 2014-04-30; no associated headcount figure or severance charge disclosed. Announcement date not disclosed.
2014-12-31	restructuring	completed			2014-12-31	2014-12-31	United States	Regulatory and Systems Support	USD 2 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Headcount reduction of over 100 employees due to transition of regulatory services to FINRA. Severance expense of $2.4 million recorded.
2014-12-31	restructuring	completed			2014-12-01	2015-01-01	United States	Regulatory and Systems Support	USD 2 (millions)	MD&A f5-10k / Qwen3.6-27B-Q8_0	Transition of regulatory services to FINRA resulted in headcount reduction of over 100 employees. Severance expense of $2.4 million recorded in 2014.
2012-12-31	reduction_in_force	completed	30		2012-09		United States	Corporate / enterprise-wide	USD 2 (millions)	MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	Filer announced a reduction in force in September 2012 eliminating 30 positions with $2.1 million of severance charges; total headcount at year-end versus period start remained relatively constant because eliminated roles were mostly replaced by new regulatory staffing.
2012-12-31	reduction_in_force	completed	30		2012-09				USD 2 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	In September 2012, the Company announced a reduction in force which resulted in the elimination of 30 positions and severance charges of $2.1 million.
2012-12-31	reduction_in_force	completed	30		2012-09				USD 2 (millions)	MD&A f5-10k / Qwen3.6-27B-Q8_0	Announced in September 2012; resulted in elimination of 30 positions and severance charges of $2.1 million.
2012-12-31	reduction_in_force	completed	30		2012-09-01		United States	Corporate — positions eliminated across functions; headcount held roughly flat as eliminated roles were mostly offset by new regulatory hires	USD 2 (millions)	MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	September 2012 reduction in force eliminating 30 positions with $2.1 million of severance charges; total headcount at year-end remained relatively constant versus the start of the period. Announcement date given only to month precision (September 2012).
2012-09-30	restructuring	in_progress					United States	Corporate / staff functions		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Elimination of staff positions drove higher severance expense ($2.0M in Q3; $3.2M YTD); no employee count, announcement date, or completion date disclosed. MD&A also notes additions of staff, primarily for regulatory functions, mostly offset the eliminated positions, leaving total headcount relatively unchanged versus the start of 2012.
2012-09-30	restructuring	completed						Staff positions	USD 2 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Increase in severance expense of $2.0 million resulting from the elimination of staff positions for the three months ended September 30, 2012.
2012-09-30	restructuring	completed						Staff positions	USD 3 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Increase in severance expense of $3.2 million resulting from the elimination of staff positions for the nine months ended September 30, 2012.
2011-12-31	other	completed	1				United States	Senior management	USD 4 (millions)	MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	Severance expense recorded for a senior executive's departure under his employment agreement; recognized in employee costs in Q4 2011. Count reflects a single executive; no aggregate program disclosed.
2011-12-31	restructuring	completed			2011-12-31	2011-12-31	United States	Executive Management	USD 4 (millions)	MD&A f5-10k / Qwen3.6-27B-NVFP4-MTP-HTML	Company recorded $3.7 million in severance expense for payments in connection with the departure of a senior executive pursuant to his employment agreement.
2011-12-31	other	completed	1		2011-12-31	2011-12-31			USD 4 (millions)	MD&A f5-10k / Qwen3.6-27B-Q8_0	Severance expense for payments in connection with the departure of a senior executive pursuant to employment agreement.
2011-09-30	other	announced	1		2011-11-01		United States	Executive management (President and Chief Operating Officer)	USD 4 (millions)	subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Board terminated Edward J. Joyce as President and COO, citing disability under his employment agreement; severance expected to be recorded in Q4 2011 employee costs. Edward T. Tilly appointed President and COO the same day.
2011-09-30	other	announced			2011-11-01	2011-12-31		Executive Management	USD 4 (millions)	subsequent_events f5-10q / Qwen3.6-27B-Q8_0	Termination of President and COO Edward J. Joyce due to disability; severance expense expected in Q4 2011.
2010-12-31	reduction_in_force	completed					United States	Not specified	USD 1 (millions)	MD&A f5-10k / MiMo-V2.6-Flash-fp8-HTML	MD&A attributes part of the $21.7M increase in 2010 employee costs to higher severance expense from targeted staff reductions; the $0.6M is the year-over-year increase in severance expense, not a total program charge. Headcount affected not disclosed.
2010-12-31	restructuring	completed			2010-12-31	2010-12-31	United States	Corporate	USD 1 (millions)	MD&A f5-10k / Qwen3.6-27B-Q8_0	Increased severance expense of $0.6 million from targeted staff reductions.
2010-09-30	reduction_in_force	in_progress					United States		USD 1 (millions)	MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Severance expense rose $1.0 million year over year due to targeted staff reductions; no headcount affected or timing disclosed.
2010-09-30	other	announced			2010-10-02	2011-01-01	United States	Senior management	USD 2 (millions)	other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Executive Severance Plan filed with the SEC on 2010-10-02, effective 2011-01-01; about $2.0 million of accelerated stock-based compensation expected in Q4 2010. Charge is non-cash equity acceleration, not severance cash.
2010-09-30	restructuring	completed							USD 1 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Increased severance expense of $1.0 million due to targeted staff reductions for the nine months ended September 30, 2010.
2010-06-30	restructuring	in_progress								MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	MD&A attributes part of the employee cost increase to severance expense from targeted staff reductions: $0.4 million for the three months and $1.0 million for the six months ended June 30, 2010. No affected-employee count, announcement date, or completion timing is disclosed.
2010-06-30	restructuring	completed							USD 0 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Increase in severance expense of $0.4 million due to targeted staff reductions for the three months ended June 30, 2010.
2010-06-30	restructuring	completed							USD 1 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Increased severance expense of $1.0 million due to targeted staff reductions for the six months ended June 30, 2010.
2010-03-31	layoff	in_progress					United States	Corporate	USD 1 (millions)	MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	MD&A attributes a $0.6 million increase in employee costs to severance from targeted staff reductions; no employee count, announcement date, or completion timing disclosed.
2010-03-31	restructuring	completed							USD 1 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Increased severance expense of $0.6 million due to targeted staff reductions.