October was a record month for Cboe’s Global Derivatives business with Cboe's proprietary index options setting a monthly Average Daily Volume (ADV) record of 6.9 million contracts, driven by a record monthly ADV in S&P 500® Index Options (SPX®) and Mini SPX-Index (XSP®) options. Global Trading Hours (GTH) also had a record month with an ADV of 283,600 contracts traded.
Index Options
- October was a record month for Cboe’s proprietary index options with an ADV of 6.9 million contracts.
- October 16 marked a record day for Cboe’s proprietary index options with 10.44 million contracts traded, and October 30 marked the second-best day with 10.17 million contracts traded.
- S&P 500 Index Options (SPX) had a record monthly ADV of 5.5 million contracts traded and SPX zero-days-to-expiry (0DTE) options had a record ADV of 3.58 million contracts.
- Mini S&P 500 Index Options (XSP) had a record monthly ADV of 303,000 contracts traded.
Global Trading Hours
- Global Trading Hours (GTH) had a record month with an ADV of 283,600 contracts traded. GTH recently expanded for five ETFs and 24 single stocks on October 19, 2026.
- SPX and XSP had a record month during GTH with an ADV of 232,900 and 35,800 contracts traded, respectively.
From the Cboe Trading Floor in Chicago
- SPX represented 43.1% of floor ADV.
- SPX open outcry ADV was 727,356 contracts.
- Cboe’s proprietary products represented 70.3% of floor volume.
News and Insights
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