Options flow recap: August 18, 2026
Published after the close · nothing on this page is live
On August 18, 2026, 46,767 options prints traded $12.8B in premium: 53% in calls, 47% in puts. 11% of the premium was in contracts expiring the same day. The largest single print was SNDK 1800 call for $92.0M.
$12.8B
Premium
53% / 47%
Calls / puts
11%
Same-day expiry
46,767
Prints
Largest options trades on August 18, 2026
| Time | Ticker | Contract | Size | Premium | Type |
|---|---|---|---|---|---|
| 09:33 | SNDK | 1800C Aug 21 | 13,903 | $92.0M | — |
| 10:35 | KLAC | 224P Nov 20 | 11,500 | $47.4M | — |
| 09:32 | SNDK | 1700C Aug 21 | 3,440 | $42.7M | — |
| 09:32 | SNDK | 1520C Oct 16 | 1,073 | $42.6M | — |
| 09:32 | MU | 1000C Aug 21 | 11,887 | $41.8M | — |
| 15:01 | TSLA | 400P Aug 21 | 5,626 | $36.4M | — |
| 16:00 | TSLA | 400P Aug 21 | 5,645 | $35.6M | — |
| 09:32 | SNDK | 1650C Aug 21 | 2,220 | $35.5M | — |
| 09:32 | SNDK | 1800P Aug 21 | 4,295 | $33.5M | — |
| 09:31 | SPY | 775P Aug 18 | 105,878 | $29.6M | — |
| 10:35 | KLAC | 224P Sep 18 | 9,000 | $28.3M | — |
| 09:32 | SNDK | 2000C Sep 18 | 2,595 | $28.0M | — |
| 16:00 | NVDA | 237.5P Aug 21 | 15,111 | $27.5M | — |
| 09:32 | SNDK | 1900C Aug 21 | 8,560 | $27.3M | — |
| 09:32 | SNDK | 1780C Aug 21 | 3,584 | $27.2M | — |
| 09:33 | META | 650P Aug 21 | 3,256 | $26.4M | — |
| 16:00 | TSLA | 335P Aug 19 | 118,864 | $26.4M | — |
| 09:32 | SNDK | 1750C Aug 21 | 2,716 | $25.2M | — |
| 09:32 | SNDK | 1790C Aug 21 | 3,368 | $23.8M | — |
| 16:00 | TSLA | 340C Aug 19 | 119,810 | $22.2M | — |
| 09:32 | SNDK | 1750P Aug 21 | 4,120 | $21.9M | — |
| 09:32 | SNDK | 1770C Aug 21 | 2,708 | $21.8M | — |
| 09:31 | MSFT | 415C Aug 28 | 3,273 | $21.5M | — |
| 09:31 | SPY | 790P Aug 19 | 12,074 | $21.1M | — |
| 16:00 | TSLA | 337.5P Aug 19 | 60,933 | $20.9M | — |
Most options premium by ticker
| Ticker | Premium | Calls | Puts | Prints |
|---|---|---|---|---|
| SNDK | $1.4B | 63% | 37% | 594 |
| QQQ | $1.1B | 34% | 66% | 808 |
| TSLA | $1.1B | 53% | 47% | 1,026 |
| SPY | $1.0B | 27% | 73% | 1,092 |
| NVDA | $973M | 58% | 42% | 1,290 |
| MU | $868M | 50% | 50% | 708 |
| AMZN | $701M | 67% | 33% | 1,103 |
| AAPL | $457M | 69% | 31% | 1,128 |
| META | $399M | 18% | 82% | 741 |
| SPCX | $375M | 69% | 31% | 999 |
| MSFT | $248M | 78% | 22% | 1,053 |
| NBIS | $219M | 47% | 53% | 682 |
| PLTR | $195M | 64% | 36% | 1,170 |
| AMD | $163M | 47% | 53% | 686 |
| INTC | $162M | 53% | 47% | 1,026 |
| MRVL | $162M | 69% | 31% | 1,134 |
| BE | $155M | 61% | 39% | 853 |
| DELL | $149M | 67% | 33% | 793 |
| LITE | $143M | 49% | 51% | 621 |
| STX | $125M | 31% | 69% | 597 |
| WDC | $108M | 56% | 44% | 665 |
| EWY | $108M | 81% | 19% | 447 |
| KLAC | $96.9M | 3% | 97% | 166 |
| ORCL | $91.2M | 67% | 33% | 813 |
| AMAT | $88.6M | 56% | 44% | 756 |
A large print is a trade, not a verdict: the buyer may be hedging stock, closing a position or one leg of a spread. Read flow alongside where dealers are positioned, which each ticker's page shows from the closing book.
This is yesterday's tape, after the close. Members watch the flow as it prints.
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