The archived board for 2026-07-31: 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 2026-07-31 20:13
| Ticker | Type | Strike | Expiry | Vol | OI | Vol/OI | IV |
|---|---|---|---|---|---|---|---|
| NVDA | CALL | $200 | Jul 31 | 979.9K | 65.1K | 15.1× | 27% |
| SPY | CALL | $746 | Jul 31 | 697.6K | 11.8K | 59.2× | 21% |
| SPY | CALL | $745 | Jul 31 | 598.5K | 20.6K | 29.1× | 30% |
| SPY | CALL | $747 | Jul 31 | 552.8K | 13.0K | 42.4× | 17% |
| QQQ | CALL | $690 | Jul 31 | 501.3K | 26.9K | 18.6× | 22% |
| SPY | CALL | $748 | Jul 31 | 501.1K | 16.8K | 29.8× | 16% |
| SPY | PUT | $740 | Jul 31 | 483.1K | 48.5K | 10.0× | 53% |
| SPY | CALL | $744 | Jul 31 | 474.6K | 10.5K | 45.1× | 46% |
| SPY | CALL | $743 | Jul 31 | 441.4K | 10.6K | 41.7× | 46% |
| SPY | PUT | $745 | Jul 31 | 423.3K | 23.0K | 18.4× | 26% |
| SPY | PUT | $742 | Jul 31 | 397.4K | 9.4K | 42.4× | 41% |
| SPY | CALL | $742 | Jul 31 | 383.3K | 32.2K | 11.9× | 51% |
| SPY | PUT | $741 | Jul 31 | 370.3K | 8.1K | 45.8× | 47% |
| SPY | PUT | $744 | Jul 31 | 348.1K | 4.1K | 84.8× | 33% |
| NVDA | CALL | $202.5 | Jul 31 | 346.8K | 35.8K | 9.7× | 41% |
| SPY | PUT | $743 | Jul 31 | 339.2K | 44.0K | 7.7× | 40% |
| SPY | PUT | $746 | Jul 31 | 313.4K | 2.4K | 128.3× | 20% |
| SPY | PUT | $738 | Jul 31 | 312.7K | 10.9K | 28.7× | 65% |
| NVDA | PUT | $197.5 | Jul 31 | 310.5K | 7.4K | 42.1× | 109% |
| NVDA | CALL | $197.5 | Jul 31 | 305.1K | 32.3K | 9.4× | 146% |
| SPY | PUT | $739 | Jul 31 | 303.2K | 9.2K | 33.1× | 59% |
| SPY | CALL | $749 | Jul 31 | 300.5K | 12.3K | 24.5× | 17% |
| SPY | PUT | $525 | Oct 16 | 300.1K | 765 | 392.3× | 39% |
| SPY | PUT | $535 | Sep 30 | 300.0K | 733 | 409.3× | 39% |
| NVDA | PUT | $195 | Jul 31 | 298.4K | 31.6K | 9.4× | 168% |
| QQQ | CALL | $688 | Jul 31 | 297.1K | 4.2K | 71.2× | 19% |
| QQQ | CALL | $689 | Jul 31 | 296.1K | 1.9K | 152.2× | 21% |
| QQQ | PUT | $688 | Jul 31 | 282.1K | 1.7K | 167.5× | 22% |
| QQQ | PUT | $685 | Jul 31 | 280.5K | 11.9K | 23.6× | 33% |
| TSLA | CALL | $310 | Jul 31 | 259.4K | 12.7K | 20.4× | 51% |
Permalink
https://www.tickwind.com/en/unusual/2026-07-31Suggested citation
Unusual options activity for 2026-07-31 — Tickwind (tickwind.com), Cboe 15-min delayed data.