Options market record

SPX options flowcalls and puts bought each day.

On Oct 26, 2026, traders bought 1.05M SPX call contracts ($2.4B) and 1.16M put contracts ($2.3B). Calls were 0.9× and puts were 0.9× their respective 20-day medians. The underlying closed at 7,677.33 and 30-day implied volatility was 18.4%.

Each point is one trading day since Nov 11, 2024. Latest rankings

Daily contracts bought

Call contracts: min 419.61K, max 2.01M, latest 1.05M. Put contracts: min 442.62K, max 2.48M, latest 1.16M.

30-day implied volatility

30-day IV: min 12.8%, max 52.3%, latest 18.4%.

Days in a top-10 list

SPX has not been on either top-10 list since Nov 11, 2024. Its latest 20 trading days are below.

Date	Calls bought	Puts bought	Call ratio vs 20-day median	Put ratio vs 20-day median	Price	30-day IV
Oct 26, 2026	1.05M	1.16M	0.9×	0.9×	7,677.33	18.4%
Oct 23, 2026	992.6K	1.29M	0.9×	1.0×	7,622.86	19.4%
Oct 22, 2026	1.23M	1.5M	1.1×	1.2×	7,662.54	19.0%
Oct 21, 2026	1.15M	1.33M	1.0×	1.1×	7,757.85	16.7%
Oct 20, 2026	1.11M	1.34M	0.9×	1.1×	7,711.06	17.3%
Oct 19, 2026	978.92K	1.19M	0.8×	1.0×	7,691.39	18.4%
Oct 16, 2026	1.43M	2.04M	1.2×	1.6×	7,661.22	20.0%
Oct 15, 2026	1.22M	1.43M	1.1×	1.2×	7,744.09	16.5%
Oct 13, 2026	965.76K	1.16M	0.8×	0.9×	7,805.37	15.3%
Oct 12, 2026	780.58K	888.51K	0.7×	0.7×	7,807.79	15.2%
Oct 9, 2026	930.2K	1.17M	0.8×	0.9×	7,811.09	14.8%
Oct 8, 2026	1.21M	1.49M	1.1×	1.2×	7,765.7	15.4%
Oct 7, 2026	1.09M	1.24M	1.0×	1.0×	7,801.15	15.1%
Oct 6, 2026	1.26M	1.31M	1.1×	1.0×	7,819.83	15.0%
Oct 5, 2026	1.19M	1.21M	1.1×	1.0×	7,774.22	15.5%
Oct 2, 2026	1.17M	1.36M	1.1×	1.1×	7,723.49	15.3%
Oct 1, 2026	1.29M	1.41M	1.2×	1.1×	7,668.82	16.4%
Sep 30, 2026	1.13M	1.24M	1.0×	1.0×	7,653.56	16.3%
Sep 29, 2026	1.11M	1.25M	1.0×	1.0×	7,670.04	16.0%
Sep 28, 2026	1.17M	1.19M	1.1×	1.0×	7,684.5	16.1%

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