The archived board for 2026-08-18: 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 2026-08-18 20:29
| Ticker | Type | Strike | Expiry | Vol | OI | Vol/OI | IV |
|---|---|---|---|---|---|---|---|
| SPY | PUT | $768 | Aug 18 | 1.05M | 4.7K | 222.4× | — |
| SPY | PUT | $767 | Aug 18 | 766.9K | 3.8K | 201.4× | 8% |
| SPY | CALL | $769 | Aug 18 | 701.4K | 435 | 1612.4× | 18% |
| QQQ | PUT | $718 | Aug 18 | 556.6K | 1.8K | 313.2× | 16% |
| SPY | CALL | $770 | Aug 18 | 538.4K | 1.8K | 291.3× | 28% |
| SPY | CALL | $768 | Aug 18 | 518.1K | 184 | 2816.0× | 8% |
| QQQ | PUT | $717 | Aug 18 | 513.3K | 1.3K | 393.0× | 9% |
| QQQ | CALL | $718 | Aug 18 | 450.7K | 184 | 2449.3× | 12% |
| QQQ | CALL | $719 | Aug 18 | 449.1K | 91 | 4934.7× | 20% |
| QQQ | CALL | $720 | Aug 18 | 425.3K | 361 | 1178.0× | 31% |
| SPY | PUT | $766 | Aug 18 | 420.3K | 6.2K | 68.1× | 16% |
| SPY | PUT | $769 | Aug 18 | 384.7K | 3.8K | 100.5× | 22% |
| SPY | PUT | $765 | Aug 18 | 376.2K | 7.7K | 48.8× | 26% |
| QQQ | PUT | $719 | Aug 18 | 335.3K | 1.5K | 220.0× | 24% |
| QQQ | PUT | $716 | Aug 18 | 288.3K | 2.6K | 110.4× | 17% |
| SPY | CALL | $771 | Aug 18 | 286.8K | 3.0K | 95.6× | 37% |
| QQQ | PUT | $715 | Aug 18 | 286.5K | 2.7K | 107.7× | 32% |
| SPY | CALL | $772 | Aug 18 | 238.0K | 4.2K | 56.5× | 45% |
| QQQ | CALL | $721 | Aug 18 | 230.2K | 367 | 627.2× | 40% |
| QQQ | CALL | $717 | Aug 18 | 227.3K | 278 | 817.5× | 8% |
| QQQ | PUT | $720 | Aug 18 | 195.7K | 6.1K | 32.2× | — |
| QQQ | CALL | $722 | Aug 18 | 178.6K | 331 | 539.5× | 50% |
| SPY | PUT | $763 | Aug 18 | 162.0K | 2.2K | 73.9× | 44% |
| SPY | PUT | $764 | Aug 18 | 146.9K | 2.5K | 59.7× | 35% |
| SPY | CALL | $767 | Aug 18 | 146.4K | 350 | 418.2× | 9% |
| IWM | PUT | $301 | Aug 18 | 132.6K | 4.2K | 31.8× | 34% |
| QQQ | CALL | $723 | Aug 18 | 121.6K | 194 | 626.9× | 59% |
| SPY | PUT | $768 | Aug 19 | 120.6K | 1.9K | 64.4× | 11% |
| TSLA | CALL | $340 | Aug 19 | 119.8K | 4.9K | 24.6× | 44% |
| TSLA | PUT | $335 | Aug 19 | 118.9K | 2.7K | 44.4× | 44% |
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https://www.tickwind.com/en/unusual/2026-08-18Suggested citation
Unusual options activity for 2026-08-18 — Tickwind (tickwind.com), Cboe 15-min delayed data.