# Biggest options open interest changes

OI settled 2026-09-10 vs 2026-09-09.

> Open interest change, not trades; it does not say which side opened or closed.

Source: SquawkFlow's own nightly archive of Cboe settled open interest. Updates once per session. Figures are contracts, not dollars: the archive holds no option prices.

113 of 212 archived US symbols compared. The other 99 lacked a consecutive settlement pair in the archive for these two sessions. 5 of those compared reported an identical book in both sessions.

Across the compared symbols: 64,451 contracts changed open interest, +5,867,377 added, -1,412,899 removed, net +4,454,478 contracts.

## Largest open interest increases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| SPY | 2026-09-18 | 750 | put | 64,944 | 186,670 | +121,726 |
| AAPL | 2026-10-16 | 340 | call | 15,611 | 106,553 | +90,942 |
| IWM | 2026-10-02 | 283 | put | 2,503 | 69,581 | +67,078 |
| SPY | 2026-09-18 | 730 | put | 50,899 | 115,705 | +64,806 |
| TLT | 2026-10-16 | 77 | put | 17,968 | 73,290 | +55,322 |
| TLT | 2026-09-30 | 82 | call | 9,733 | 61,014 | +51,281 |
| AAPL | 2026-10-16 | 360 | call | 79,969 | 121,770 | +41,801 |
| SPY | 2026-09-18 | 740 | put | 68,727 | 109,347 | +40,620 |
| GOOGL | 2026-09-18 | 400 | call | 23,707 | 62,818 | +39,111 |
| TLT | 2026-09-30 | 80 | put | 10,255 | 46,834 | +36,579 |
| IWM | 2026-10-16 | 274 | put | 7,896 | 37,922 | +30,026 |
| TLT | 2026-12-18 | 90 | call | 226,401 | 254,723 | +28,322 |
| TLT | 2026-10-16 | 83 | call | 81,542 | 105,592 | +24,050 |
| SPY | 2026-09-11 | 732 | put | 12,660 | 35,851 | +23,191 |
| QQQ | 2026-09-18 | 675 | put | 21,099 | 43,643 | +22,544 |
| GLD | 2026-09-11 | 390 | put | 1,835 | 23,122 | +21,287 |
| IWM | 2026-09-18 | 280 | put | 69,283 | 89,579 | +20,296 |
| IWM | 2026-09-11 | 291 | call | 3,514 | 22,956 | +19,442 |
| SPY | 2026-09-11 | 755 | put | 35,224 | 54,327 | +19,103 |
| GLD | 2026-09-11 | 395 | put | 1,637 | 20,301 | +18,664 |

## Largest open interest decreases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| TLT | 2026-10-16 | 75 | put | 90,623 | 26,029 | -64,594 |
| TLT | 2026-10-16 | 78 | put | 68,637 | 14,347 | -54,290 |
| TLT | 2026-10-16 | 80 | put | 82,325 | 29,408 | -52,917 |
| IWM | 2026-09-18 | 290 | put | 138,243 | 91,684 | -46,559 |
| QQQ | 2026-09-18 | 660 | put | 108,963 | 69,006 | -39,957 |
| QQQ | 2026-09-18 | 685 | put | 73,625 | 38,263 | -35,362 |
| SPY | 2026-09-18 | 760 | put | 110,164 | 90,360 | -19,804 |
| IWM | 2026-10-16 | 276 | put | 33,642 | 16,321 | -17,321 |
| TLT | 2026-09-11 | 82 | put | 20,248 | 3,160 | -17,088 |
| SPY | 2026-09-18 | 745 | put | 54,031 | 36,953 | -17,078 |
| GLD | 2026-09-11 | 393 | put | 36,131 | 21,872 | -14,259 |
| SPX | 2026-09-30 | 7,700 | put | 21,795 | 8,475 | -13,320 |
| GLD | 2026-09-11 | 400 | put | 38,426 | 26,428 | -11,998 |
| TSLA | 2026-10-16 | 330 | put | 20,667 | 10,420 | -10,247 |
| TSLA | 2026-10-16 | 280 | put | 16,596 | 7,160 | -9,436 |
| SPY | 2026-09-11 | 770 | put | 9,100 | 445 | -8,655 |
| SPY | 2026-09-11 | 763 | put | 27,110 | 19,269 | -7,841 |
| SPX | 2026-09-30 | 7,500 | put | 36,204 | 28,793 | -7,411 |
| QQQ | 2026-09-30 | 680 | put | 25,745 | 18,667 | -7,078 |
| GOOGL | 2026-09-11 | 330 | call | 9,888 | 3,193 | -6,695 |

## Index ETFs (SPY, QQQ, IWM, DIA)

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| SPY | 2026-09-18 | 750 | put | 64,944 | 186,670 | +121,726 |
| IWM | 2026-10-02 | 283 | put | 2,503 | 69,581 | +67,078 |
| SPY | 2026-09-18 | 730 | put | 50,899 | 115,705 | +64,806 |
| SPY | 2026-09-18 | 740 | put | 68,727 | 109,347 | +40,620 |
| IWM | 2026-10-16 | 274 | put | 7,896 | 37,922 | +30,026 |
| SPY | 2026-09-11 | 732 | put | 12,660 | 35,851 | +23,191 |
| QQQ | 2026-09-18 | 675 | put | 21,099 | 43,643 | +22,544 |
| IWM | 2026-09-18 | 280 | put | 69,283 | 89,579 | +20,296 |
| IWM | 2026-09-11 | 291 | call | 3,514 | 22,956 | +19,442 |
| SPY | 2026-09-11 | 755 | put | 35,224 | 54,327 | +19,103 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-09-18 | 290 | put | 138,243 | 91,684 | -46,559 |
| QQQ | 2026-09-18 | 660 | put | 108,963 | 69,006 | -39,957 |
| QQQ | 2026-09-18 | 685 | put | 73,625 | 38,263 | -35,362 |
| SPY | 2026-09-18 | 760 | put | 110,164 | 90,360 | -19,804 |
| IWM | 2026-10-16 | 276 | put | 33,642 | 16,321 | -17,321 |
| SPY | 2026-09-18 | 745 | put | 54,031 | 36,953 | -17,078 |
| SPY | 2026-09-11 | 770 | put | 9,100 | 445 | -8,655 |
| SPY | 2026-09-11 | 763 | put | 27,110 | 19,269 | -7,841 |
| QQQ | 2026-09-30 | 680 | put | 25,745 | 18,667 | -7,078 |
| IWM | 2026-09-18 | 285 | put | 108,876 | 102,288 | -6,588 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| AAPL | 2026-10-16 | 340 | call | 15,611 | 106,553 | +90,942 |
| AAPL | 2026-10-16 | 360 | call | 79,969 | 121,770 | +41,801 |
| GOOGL | 2026-09-18 | 400 | call | 23,707 | 62,818 | +39,111 |
| GOOGL | 2026-10-02 | 355 | call | 900 | 15,263 | +14,363 |
| BMY | 2026-12-18 | 50 | put | 6,662 | 20,662 | +14,000 |
| AAPL | 2026-09-11 | 320 | put | 2,548 | 16,374 | +13,826 |
| AAPL | 2026-09-11 | 322.5 | put | 1,466 | 11,745 | +10,279 |
| LCID | 2028-01-21 | 4 | put | 26 | 10,031 | +10,005 |
| META | 2026-10-16 | 710 | call | 3,668 | 12,898 | +9,230 |
| AMD | 2026-10-09 | 310 | put | 38 | 9,024 | +8,986 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| TSLA | 2026-10-16 | 330 | put | 20,667 | 10,420 | -10,247 |
| TSLA | 2026-10-16 | 280 | put | 16,596 | 7,160 | -9,436 |
| GOOGL | 2026-09-11 | 330 | call | 9,888 | 3,193 | -6,695 |
| TSLA | 2026-09-18 | 440 | put | 7,444 | 1,250 | -6,194 |
| AAPL | 2026-09-21 | 320 | call | 12,273 | 6,146 | -6,127 |
| AAPL | 2026-09-18 | 320 | call | 34,024 | 28,166 | -5,858 |
| GOOGL | 2026-09-11 | 332.5 | call | 8,996 | 3,606 | -5,390 |
| AAPL | 2026-09-11 | 317.5 | call | 9,974 | 4,586 | -5,388 |
| AMZN | 2026-09-11 | 265 | call | 17,639 | 12,527 | -5,112 |
| HOOD | 2026-09-11 | 130 | call | 10,942 | 5,948 | -4,994 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +2,710,447 | -393,458 | +2,316,989 |
| Puts | +3,156,930 | -1,019,441 | +2,137,489 |

## Biggest percent changes

Percent changes only for contracts with at least 1,000 prior open interest.

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| IWM | 2026-10-02 | 283 | put | 2,503 | 69,581 | +67,078 | +2,679.9% |
| GLD | 2026-09-11 | 390 | put | 1,835 | 23,122 | +21,287 | +1,160.1% |
| IWM | 2026-09-11 | 292 | call | 1,322 | 16,485 | +15,163 | +1,147% |
| GLD | 2026-09-11 | 395 | put | 1,637 | 20,301 | +18,664 | +1,140.1% |
| GLD | 2026-09-11 | 400 | call | 1,221 | 13,773 | +12,552 | +1,028% |
| QQQ | 2026-09-11 | 714 | call | 1,098 | 9,507 | +8,409 | +765.8% |
| AAPL | 2026-09-11 | 322.5 | put | 1,466 | 11,745 | +10,279 | +701.2% |
| TLT | 2026-09-18 | 81.5 | call | 1,510 | 11,861 | +10,351 | +685.5% |
| SPY | 2026-10-16 | 722 | put | 1,311 | 9,942 | +8,631 | +658.4% |
| SPY | 2026-09-11 | 760 | call | 1,581 | 11,751 | +10,170 | +643.3% |
| AAPL | 2026-10-16 | 340 | call | 15,611 | 106,553 | +90,942 | +582.6% |
| IWM | 2026-09-11 | 291 | call | 3,514 | 22,956 | +19,442 | +553.3% |
| AAPL | 2026-09-11 | 320 | put | 2,548 | 16,374 | +13,826 | +542.6% |
| SPX | 2026-09-11 | 7,780 | call | 1,097 | 7,029 | +5,932 | +540.7% |
| TLT | 2026-09-11 | 81.5 | call | 3,407 | 21,654 | +18,247 | +535.6% |
| TLT | 2026-09-30 | 82 | call | 9,733 | 61,014 | +51,281 | +526.9% |
| SPY | 2026-09-25 | 745 | put | 2,546 | 15,927 | +13,381 | +525.6% |
| TLT | 2026-12-18 | 76 | put | 3,112 | 18,918 | +15,806 | +507.9% |
| SPY | 2026-09-11 | 690 | put | 3,089 | 18,410 | +15,321 | +496% |
| SPY | 2026-09-18 | 731 | put | 2,811 | 16,439 | +13,628 | +484.8% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| TLT | 2026-09-14 | 83 | put | 1,618 | 0 | -1,618 | -100% |
| QQQ | 2026-09-18 | 744 | put | 1,004 | 0 | -1,004 | -100% |
| TLT | 2026-09-11 | 82.5 | put | 4,606 | 8 | -4,598 | -99.8% |
| CRM | 2026-09-11 | 260 | put | 2,154 | 8 | -2,146 | -99.6% |
| TLT | 2026-09-30 | 86 | put | 1,079 | 6 | -1,073 | -99.4% |
| BA | 2026-09-11 | 215 | put | 1,144 | 8 | -1,136 | -99.3% |
| LULU | 2026-09-11 | 105 | put | 1,002 | 17 | -985 | -98.3% |
| LULU | 2026-09-11 | 104 | put | 1,228 | 23 | -1,205 | -98.1% |
| AVGO | 2026-09-11 | 385 | put | 1,286 | 31 | -1,255 | -97.6% |
| AMZN | 2026-09-11 | 265 | put | 1,345 | 33 | -1,312 | -97.5% |
| TTWO | 2026-09-25 | 210 | put | 5,145 | 192 | -4,953 | -96.3% |
| TSLA | 2026-09-11 | 400 | put | 1,263 | 49 | -1,214 | -96.1% |
| HOOD | 2026-09-11 | 127 | put | 1,077 | 42 | -1,035 | -96.1% |
| QQQ | 2026-09-11 | 725 | put | 1,932 | 91 | -1,841 | -95.3% |
| SPY | 2026-09-11 | 770 | put | 9,100 | 445 | -8,655 | -95.1% |
| TSLA | 2026-09-18 | 450 | put | 3,199 | 158 | -3,041 | -95.1% |
| TSLA | 2026-09-18 | 430 | put | 3,397 | 169 | -3,228 | -95% |
| IWM | 2026-09-11 | 299 | put | 3,848 | 214 | -3,634 | -94.4% |
| TLT | 2026-09-11 | 83 | put | 3,944 | 231 | -3,713 | -94.1% |
| SPY | 2026-09-11 | 769 | put | 3,315 | 197 | -3,118 | -94.1% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| SPY | 750 | put | +137,175 | 31 |
| AAPL | 340 | call | +103,194 | 24 |
| TLT | 82 | call | +87,846 | 26 |
| SPY | 730 | put | +85,722 | 28 |
| IWM | 283 | put | +68,759 | 16 |
| TLT | 75 | put | -61,720 | 25 |
| TLT | 77 | put | +53,951 | 20 |
| TLT | 78 | put | -53,680 | 24 |
| SPY | 740 | put | +52,990 | 29 |
| AAPL | 360 | call | +50,007 | 24 |
| IWM | 290 | put | -41,164 | 27 |
| GOOGL | 400 | call | +40,533 | 20 |
| TLT | 83 | call | +38,094 | 27 |
| TLT | 79 | put | +37,933 | 22 |
| QQQ | 660 | put | -37,721 | 28 |
| TLT | 81 | call | +37,241 | 27 |
| IWM | 285 | put | +34,832 | 25 |
| TLT | 90 | call | +34,022 | 21 |
| IWM | 270 | put | +32,975 | 26 |
| IWM | 274 | put | +31,905 | 14 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPY | +1,023,263 | +296,600 | +726,663 |
| SPX | +615,541 | +284,020 | +331,521 |
| QQQ | +413,502 | +186,738 | +226,764 |
| IWM | +409,692 | +160,991 | +248,701 |
| TLT | +325,753 | +335,815 | -10,062 |
| AAPL | +322,776 | +209,398 | +113,378 |
| GLD | +160,152 | +88,885 | +71,267 |
| GOOGL | +125,940 | +104,771 | +21,169 |
| META | +114,960 | +75,099 | +39,861 |
| INTC | +89,248 | +36,704 | +52,544 |

Largest net decreases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| ITW | -455 | +16 | -471 |
| LOW | -103 | +635 | -738 |
| GPN | -62 | -78 | +16 |
| MCO | -22 | +4 | -26 |
| CME | -2 | -492 | +490 |
| HON | -1 | +289 | -290 |

## Archive

- https://squawkflow.com/oi-changes/2026-10-08.md (2026-10-08 vs 2026-10-07, 158 symbols)
- https://squawkflow.com/oi-changes/2026-10-07.md (2026-10-07 vs 2026-10-06, 135 symbols)
- https://squawkflow.com/oi-changes/2026-10-06.md (2026-10-06 vs 2026-10-05, 136 symbols)
- https://squawkflow.com/oi-changes/2026-10-05.md (2026-10-05 vs 2026-10-02, 155 symbols)
- https://squawkflow.com/oi-changes/2026-10-02.md (2026-10-02 vs 2026-10-01, 148 symbols)
- https://squawkflow.com/oi-changes/2026-10-01.md (2026-10-01 vs 2026-09-30, 156 symbols)
- https://squawkflow.com/oi-changes/2026-09-30.md (2026-09-30 vs 2026-09-29, 148 symbols)
- https://squawkflow.com/oi-changes/2026-09-29.md (2026-09-29 vs 2026-09-28, 150 symbols)
- https://squawkflow.com/oi-changes/2026-09-28.md (2026-09-28 vs 2026-09-25, 150 symbols)
- https://squawkflow.com/oi-changes/2026-09-25.md (2026-09-25 vs 2026-09-24, 135 symbols)

SPX open interest change by strike: https://squawkflow.com/oi-change.md

Canonical: https://squawkflow.com/oi-changes/2026-09-10