CHICAGO – November 04, 2026 -- Cboe Global Markets' proprietary index options set a monthly average daily volume (ADV) record of 6.9 million contracts in October 2026, led by record activity in S&P 500 Index (SPX) options and mini-SPX (XSP) options.
SPX and XSP options post record monthly volumes
SPX options reached a monthly ADV record of 5.5 million contracts. XSP options set their own monthly ADV record of 303 thousand contracts.
Two record trading days fall in the same month
October produced the two most-active trading days on record for Cboe's proprietary index options. Volume reached 10.4 million contracts on October 16 and 10.2 million on October 30.
XSP options also set a daily record of 515 thousand contracts on October 30, eclipsing the previous record set on July 16, 2019.
Zero-day SPX options reach 3.6 million contracts ADV
Zero-days-to-expiry (0DTE) trading in SPX options set a monthly ADV record of 3.6 million contracts.
Global Trading Hours session sets monthly and daily records
Cboe's Global Trading Hours (GTH) session, which runs from 8:15 p.m. to 9:25 a.m. ET, set a monthly ADV record of 284 thousand contracts. SPX trading in GTH set a daily record of 327 thousand contracts on October 1.
Cboe also published its monthly volume and revenue-per-contract (RPC)/net revenue capture report, which covers market share by business segment and volume in select index products. RPC and net capture figures are reported on a one-month lag.