The archived board for 2026-10-20: the most-traded option contracts that day among the US underlyings this board scans, ranked by single-contract volume, as captured by the last board scan before 16:38 ET. Cboe data, ~15-min delayed. · Data as of 2026-10-20 20:10
| Ticker | Type | Strike | Expiry | Vol | OI | Vol/OI | IV |
|---|---|---|---|---|---|---|---|
| SPY | CALL | $770 | Oct 20 | 799.4K | 9.8K | 81.2× | 18% |
| SPY | PUT | $768 | Oct 20 | 686.3K | 4.3K | 159.3× | 16% |
| SPY | PUT | $769 | Oct 20 | 636.6K | 3.0K | 214.6× | 15% |
| SPY | CALL | $772 | Oct 20 | 626.8K | 5.1K | 122.4× | 28% |
| SPY | CALL | $769 | Oct 20 | 593.6K | 6.1K | 98.1× | 16% |
| SPY | CALL | $771 | Oct 20 | 566.9K | 10.8K | 52.5× | 23% |
| QQQ | CALL | $720 | Oct 20 | 500.9K | 4.7K | 107.1× | 36% |
| SPY | PUT | $767 | Oct 20 | 496.2K | 4.2K | 119.5× | 19% |
| QQQ | PUT | $718 | Oct 20 | 447.9K | 3.6K | 124.8× | 31% |
| SPY | PUT | $765 | Oct 20 | 419.5K | 10.2K | 40.9× | 29% |
| SPY | CALL | $773 | Oct 20 | 413.0K | 10.8K | 38.1× | 35% |
| SPY | PUT | $766 | Oct 20 | 392.4K | 7.0K | 56.3× | 24% |
| SPY | PUT | $770 | Oct 20 | 390.8K | 4.1K | 96.4× | 17% |
| QQQ | PUT | $717 | Oct 20 | 376.1K | 4.8K | 78.2× | 31% |
| QQQ | PUT | $719 | Oct 20 | 351.9K | 8.6K | 40.8× | 32% |
| SPY | PUT | $764 | Oct 20 | 351.3K | 4.0K | 88.9× | 35% |
| QQQ | CALL | $719 | Oct 20 | 334.6K | 2.3K | 145.5× | 34% |
| SPY | CALL | $774 | Oct 20 | 307.6K | 8.3K | 37.0× | 36% |
| QQQ | PUT | $715 | Oct 20 | 299.1K | 10.3K | 29.1× | 36% |
| QQQ | CALL | $722 | Oct 20 | 290.7K | 3.1K | 93.4× | 42% |
| SPY | CALL | $768 | Oct 20 | 279.8K | 6.5K | 42.9× | 16% |
| QQQ | CALL | $721 | Oct 20 | 271.6K | 3.4K | 79.5× | 39% |
| SPY | CALL | $775 | Oct 20 | 257.3K | 11.1K | 23.1× | 42% |
| QQQ | CALL | $718 | Oct 20 | 247.0K | 2.0K | 123.6× | 32% |
| SPY | PUT | $762 | Oct 20 | 241.4K | 3.7K | 66.0× | 42% |
| SPY | PUT | $763 | Oct 20 | 236.1K | 4.8K | 48.7× | 42% |
| QQQ | PUT | $716 | Oct 20 | 230.6K | 3.8K | 60.5× | 34% |
| QQQ | PUT | $720 | Oct 20 | 203.1K | 6.5K | 31.3× | 34% |
| SPY | PUT | $771 | Oct 20 | 200.3K | 1.5K | 133.8× | 18% |
| QQQ | CALL | $723 | Oct 20 | 186.1K | 2.6K | 71.6× | 46% |
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https://www.tickwind.com/en/unusual/2026-10-20Suggested citation
Unusual options activity for 2026-10-20 — Tickwind (tickwind.com), Cboe 15-min delayed data.