The archived board for 2026-08-21: 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 2026-08-21 20:17
| Ticker | Type | Strike | Expiry | Vol | OI | Vol/OI | IV |
|---|---|---|---|---|---|---|---|
| SPY | PUT | $765 | Aug 21 | 861.7K | 31.7K | 27.2× | 10% |
| SPY | CALL | $767 | Aug 21 | 757.5K | 11.9K | 63.8× | 15% |
| SPY | PUT | $766 | Aug 21 | 714.9K | 11.5K | 61.9× | 8% |
| SPY | CALL | $766 | Aug 21 | 714.0K | 10.9K | 65.7× | 8% |
| SPY | PUT | $764 | Aug 21 | 538.7K | 8.0K | 67.6× | 16% |
| QQQ | CALL | $714 | Aug 21 | 518.7K | 3.8K | 135.6× | 12% |
| SPY | CALL | $768 | Aug 21 | 471.2K | 9.4K | 50.1× | 20% |
| TSLA | CALL | $365 | Aug 21 | 461.7K | 10.0K | 45.9× | 50% |
| QQQ | PUT | $713 | Aug 21 | 441.3K | 5.3K | 83.5× | 10% |
| QQQ | CALL | $715 | Aug 21 | 429.3K | 14.9K | 28.8× | 17% |
| QQQ | CALL | $713 | Aug 21 | 393.7K | 5.2K | 75.6× | 10% |
| NVDA | CALL | $217.5 | Aug 21 | 389.9K | 23.5K | 16.6× | 77% |
| SPY | CALL | $765 | Aug 21 | 385.0K | 16.2K | 23.7× | 10% |
| NVDA | PUT | $215 | Aug 21 | 370.6K | 46.8K | 7.9× | 15% |
| TSLA | CALL | $360 | Aug 21 | 333.1K | 25.2K | 13.2× | — |
| SPY | CALL | $769 | Aug 21 | 306.9K | 9.7K | 31.6× | 27% |
| SPY | PUT | $767 | Aug 21 | 302.5K | 9.5K | 32.0× | 17% |
| SPY | PUT | $763 | Aug 21 | 296.8K | 6.6K | 45.1× | 20% |
| QQQ | PUT | $710 | Aug 21 | 270.3K | 29.5K | 9.2× | 26% |
| QQQ | CALL | $712 | Aug 21 | 259.6K | 4.8K | 53.7× | 13% |
| QQQ | PUT | $714 | Aug 21 | 253.5K | 3.6K | 69.9× | — |
| TSLA | PUT | $360 | Aug 21 | 230.9K | 6.2K | 37.1× | 43% |
| SPY | CALL | $770 | Aug 21 | 224.8K | 42.2K | 5.3× | 33% |
| TSLA | CALL | $367.5 | Aug 21 | 223.5K | 4.2K | 53.8× | 73% |
| NVDA | CALL | $215 | Aug 21 | 223.4K | 30.4K | 7.3× | 17% |
| QQQ | PUT | $712 | Aug 21 | 219.0K | 4.0K | 55.2× | 14% |
| TSLA | PUT | $362.5 | Aug 21 | 211.0K | 204 | 1034.2× | 36% |
| QQQ | PUT | $711 | Aug 21 | 208.1K | 5.7K | 36.6× | 18% |
| TSLA | CALL | $362.5 | Aug 21 | 199.4K | 5.0K | 40.0× | 30% |
| AAPL | CALL | $310 | Aug 21 | 193.4K | 30.5K | 6.3× | 22% |
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https://www.tickwind.com/en/unusual/2026-08-21Suggested citation
Unusual options activity for 2026-08-21 — Tickwind (tickwind.com), Cboe 15-min delayed data.