# Biggest options open interest changes

OI settled 2026-09-25 vs 2026-09-24.

> 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.

135 of 212 archived US symbols compared. The other 77 lacked a consecutive settlement pair in the archive for these two sessions. 1 of those compared reported an identical book in both sessions.

Across the compared symbols: 65,928 contracts changed open interest, +6,274,567 added, -790,469 removed, net +5,484,098 contracts.

## Largest open interest increases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| XLF | 2026-10-16 | 54.5 | put | 592 | 70,606 | +70,014 |
| SPY | 2026-10-30 | 755 | put | 6,152 | 61,252 | +55,100 |
| SPY | 2026-10-30 | 725 | put | 7,494 | 62,021 | +54,527 |
| XLK | 2026-10-02 | 135 | put | 5 | 43,001 | +42,996 |
| XLU | 2027-03-19 | 45 | call | 490 | 40,935 | +40,445 |
| TLT | 2026-10-16 | 80 | call | 16,355 | 56,567 | +40,212 |
| XLU | 2026-12-18 | 42 | call | 6,254 | 45,749 | +39,495 |
| QQQ | 2026-10-30 | 725 | put | 2,018 | 40,444 | +38,426 |
| QQQ | 2026-10-30 | 685 | put | 4,569 | 39,801 | +35,232 |
| XLU | 2026-10-02 | 40 | call | 5,014 | 39,679 | +34,665 |
| SPY | 2026-10-02 | 595 | put | 311 | 30,311 | +30,000 |
| TLT | 2026-10-16 | 82.5 | call | 11,471 | 41,399 | +29,928 |
| IWM | 2026-10-16 | 268 | put | 36,122 | 64,540 | +28,418 |
| IWM | 2026-10-16 | 275 | put | 89,224 | 117,399 | +28,175 |
| XLU | 2026-10-09 | 40 | call | 180 | 28,298 | +28,118 |
| TLT | 2026-10-02 | 79.5 | call | 924 | 27,307 | +26,383 |
| TLT | 2027-04-16 | 79 | call | 171 | 25,225 | +25,054 |
| XLU | 2026-10-16 | 41 | call | 10,375 | 34,681 | +24,306 |
| QQQ | 2026-09-29 | 736 | put | 355 | 24,655 | +24,300 |
| SPY | 2026-10-16 | 736 | put | 30,776 | 55,001 | +24,225 |

## Largest open interest decreases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| XLF | 2026-10-16 | 56 | put | 203,452 | 173,433 | -30,019 |
| TLT | 2026-11-20 | 74 | put | 34,087 | 11,287 | -22,800 |
| IWM | 2026-10-02 | 283 | put | 36,599 | 16,200 | -20,399 |
| QQQ | 2026-09-30 | 725 | call | 21,558 | 10,674 | -10,884 |
| META | 2026-10-16 | 775 | call | 20,701 | 10,196 | -10,505 |
| XLF | 2026-11-20 | 58 | call | 36,547 | 26,581 | -9,966 |
| QQQ | 2026-09-30 | 726 | call | 45,172 | 35,543 | -9,629 |
| IWM | 2026-10-16 | 265 | put | 46,710 | 37,926 | -8,784 |
| QQQ | 2026-09-30 | 720 | call | 17,266 | 8,931 | -8,335 |
| LCID | 2026-11-20 | 3 | put | 17,289 | 9,289 | -8,000 |
| AMC | 2026-10-02 | 2.5 | call | 12,855 | 4,927 | -7,928 |
| TSLA | 2026-10-02 | 360 | call | 16,691 | 9,080 | -7,611 |
| META | 2026-10-16 | 900 | call | 26,269 | 18,802 | -7,467 |
| SPY | 2026-10-16 | 730 | put | 67,444 | 60,178 | -7,266 |
| IWM | 2026-10-16 | 267 | put | 40,050 | 32,864 | -7,186 |
| QQQ | 2026-09-30 | 710 | call | 10,680 | 3,594 | -7,086 |
| IWM | 2026-10-16 | 283 | put | 20,633 | 13,714 | -6,919 |
| IWM | 2026-09-30 | 280 | put | 49,582 | 42,820 | -6,762 |
| QQQ | 2026-09-30 | 721 | call | 24,403 | 17,764 | -6,639 |
| QQQ | 2026-12-18 | 610 | put | 27,869 | 21,779 | -6,090 |

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

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| SPY | 2026-10-30 | 755 | put | 6,152 | 61,252 | +55,100 |
| SPY | 2026-10-30 | 725 | put | 7,494 | 62,021 | +54,527 |
| QQQ | 2026-10-30 | 725 | put | 2,018 | 40,444 | +38,426 |
| QQQ | 2026-10-30 | 685 | put | 4,569 | 39,801 | +35,232 |
| SPY | 2026-10-02 | 595 | put | 311 | 30,311 | +30,000 |
| IWM | 2026-10-16 | 268 | put | 36,122 | 64,540 | +28,418 |
| IWM | 2026-10-16 | 275 | put | 89,224 | 117,399 | +28,175 |
| QQQ | 2026-09-29 | 736 | put | 355 | 24,655 | +24,300 |
| SPY | 2026-10-16 | 736 | put | 30,776 | 55,001 | +24,225 |
| QQQ | 2026-09-28 | 738 | put | 2,189 | 25,551 | +23,362 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-10-02 | 283 | put | 36,599 | 16,200 | -20,399 |
| QQQ | 2026-09-30 | 725 | call | 21,558 | 10,674 | -10,884 |
| QQQ | 2026-09-30 | 726 | call | 45,172 | 35,543 | -9,629 |
| IWM | 2026-10-16 | 265 | put | 46,710 | 37,926 | -8,784 |
| QQQ | 2026-09-30 | 720 | call | 17,266 | 8,931 | -8,335 |
| SPY | 2026-10-16 | 730 | put | 67,444 | 60,178 | -7,266 |
| IWM | 2026-10-16 | 267 | put | 40,050 | 32,864 | -7,186 |
| QQQ | 2026-09-30 | 710 | call | 10,680 | 3,594 | -7,086 |
| IWM | 2026-10-16 | 283 | put | 20,633 | 13,714 | -6,919 |
| IWM | 2026-09-30 | 280 | put | 49,582 | 42,820 | -6,762 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| TSLA | 2026-10-02 | 235 | put | 383 | 23,020 | +22,637 |
| TSLA | 2026-10-02 | 150 | put | 3,623 | 24,140 | +20,517 |
| AAPL | 2026-10-02 | 200 | put | 52 | 19,030 | +18,978 |
| TSLA | 2026-10-02 | 130 | put | 2,179 | 19,744 | +17,565 |
| COIN | 2026-10-02 | 202.5 | call | 461 | 15,662 | +15,201 |
| UBER | 2026-10-30 | 62 | put | 109 | 12,406 | +12,297 |
| TSLA | 2026-10-02 | 390 | call | 3,881 | 16,113 | +12,232 |
| TSLA | 2026-10-02 | 377.5 | call | 1,073 | 12,791 | +11,718 |
| BAC | 2026-10-02 | 58 | call | 2,954 | 14,130 | +11,176 |
| COIN | 2026-10-02 | 212.5 | call | 1,300 | 12,409 | +11,109 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| META | 2026-10-16 | 775 | call | 20,701 | 10,196 | -10,505 |
| LCID | 2026-11-20 | 3 | put | 17,289 | 9,289 | -8,000 |
| AMC | 2026-10-02 | 2.5 | call | 12,855 | 4,927 | -7,928 |
| TSLA | 2026-10-02 | 360 | call | 16,691 | 9,080 | -7,611 |
| META | 2026-10-16 | 900 | call | 26,269 | 18,802 | -7,467 |
| TSLA | 2027-06-17 | 650 | call | 30,998 | 25,358 | -5,640 |
| INTC | 2026-12-18 | 20 | put | 32,329 | 28,028 | -4,301 |
| RIVN | 2027-12-17 | 8 | put | 52,649 | 48,738 | -3,911 |
| BMY | 2026-11-20 | 70 | call | 11,441 | 7,544 | -3,897 |
| BAC | 2026-11-20 | 55 | put | 19,941 | 17,017 | -2,924 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +3,215,458 | -361,679 | +2,853,779 |
| Puts | +3,059,109 | -428,790 | +2,630,319 |

## 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 % |
|---|---|---|---|---|---|---|---|
| QQQ | 2026-10-30 | 725 | put | 2,018 | 40,444 | +38,426 | +1,904.2% |
| XLU | 2026-11-20 | 43 | call | 1,392 | 21,999 | +20,607 | +1,480.4% |
| XLU | 2026-10-16 | 41.5 | call | 1,251 | 16,354 | +15,103 | +1,207.3% |
| TSLA | 2026-10-02 | 377.5 | call | 1,073 | 12,791 | +11,718 | +1,092.1% |
| QQQ | 2026-09-28 | 738 | put | 2,189 | 25,551 | +23,362 | +1,067.2% |
| SPY | 2026-10-30 | 755 | put | 6,152 | 61,252 | +55,100 | +895.6% |
| TLT | 2027-05-21 | 95 | call | 2,144 | 21,239 | +19,095 | +890.6% |
| QQQ | 2026-09-28 | 595 | put | 1,304 | 12,671 | +11,367 | +871.7% |
| COIN | 2026-10-02 | 212.5 | call | 1,300 | 12,409 | +11,109 | +854.5% |
| TSLA | 2026-10-02 | 130 | put | 2,179 | 19,744 | +17,565 | +806.1% |
| XLF | 2026-12-18 | 61 | call | 1,709 | 15,200 | +13,491 | +789.4% |
| QQQ | 2026-10-30 | 685 | put | 4,569 | 39,801 | +35,232 | +771.1% |
| SPY | 2026-10-30 | 725 | put | 7,494 | 62,021 | +54,527 | +727.6% |
| XLU | 2026-10-02 | 40 | call | 5,014 | 39,679 | +34,665 | +691.4% |
| SPX | 2026-10-02 | 6,000 | put | 2,995 | 23,548 | +20,553 | +686.2% |
| TSLA | 2026-09-28 | 420 | call | 1,204 | 9,425 | +8,221 | +682.8% |
| XLU | 2026-12-18 | 42 | call | 6,254 | 45,749 | +39,495 | +631.5% |
| TLT | 2026-09-30 | 79 | call | 1,054 | 7,595 | +6,541 | +620.6% |
| TSLA | 2026-10-02 | 150 | put | 3,623 | 24,140 | +20,517 | +566.3% |
| TLT | 2026-10-09 | 75 | put | 1,743 | 11,571 | +9,828 | +563.9% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| SPX | 2026-09-29 | 7,675 | put | 4,301 | 1,156 | -3,145 | -73.1% |
| SOFI | 2026-10-30 | 30 | call | 1,033 | 328 | -705 | -68.2% |
| TLT | 2026-11-20 | 74 | put | 34,087 | 11,287 | -22,800 | -66.9% |
| QQQ | 2026-09-30 | 710 | call | 10,680 | 3,594 | -7,086 | -66.3% |
| CRM | 2026-10-02 | 267.5 | call | 1,298 | 486 | -812 | -62.6% |
| AMC | 2026-10-02 | 2.5 | call | 12,855 | 4,927 | -7,928 | -61.7% |
| IWM | 2026-10-30 | 265 | put | 3,094 | 1,242 | -1,852 | -59.9% |
| IWM | 2026-10-02 | 283 | put | 36,599 | 16,200 | -20,399 | -55.7% |
| TLT | 2026-10-05 | 79.5 | call | 1,200 | 543 | -657 | -54.8% |
| HD | 2026-10-16 | 400 | call | 5,349 | 2,442 | -2,907 | -54.3% |
| QQQ | 2026-09-29 | 770 | call | 1,920 | 880 | -1,040 | -54.2% |
| AMD | 2027-09-17 | 1,100 | call | 2,095 | 968 | -1,127 | -53.8% |
| SPX | 2026-09-29 | 7,700 | call | 4,213 | 1,958 | -2,255 | -53.5% |
| SPX | 2026-09-29 | 7,675 | call | 4,175 | 1,965 | -2,210 | -52.9% |
| META | 2026-10-02 | 900 | call | 3,305 | 1,562 | -1,743 | -52.7% |
| BILL | 2026-10-16 | 65 | call | 1,098 | 522 | -576 | -52.5% |
| META | 2026-10-16 | 775 | call | 20,701 | 10,196 | -10,505 | -50.7% |
| QQQ | 2026-09-30 | 725 | call | 21,558 | 10,674 | -10,884 | -50.5% |
| SPX | 2026-09-29 | 7,650 | put | 5,780 | 2,886 | -2,894 | -50.1% |
| SPY | 2026-10-30 | 767 | put | 1,891 | 962 | -929 | -49.1% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| TLT | 80 | call | +91,106 | 28 |
| XLU | 40 | call | +90,452 | 16 |
| XLF | 54.5 | put | +70,195 | 7 |
| XLU | 42 | call | +67,291 | 12 |
| TLT | 79 | call | +66,505 | 28 |
| SPY | 755 | put | +56,432 | 26 |
| SPY | 725 | put | +55,285 | 22 |
| TLT | 81 | call | +52,260 | 27 |
| XLU | 41 | call | +48,934 | 12 |
| QQQ | 725 | put | +48,178 | 24 |
| XLK | 135 | put | +42,996 | 1 |
| XLU | 45 | call | +42,397 | 12 |
| TLT | 95 | call | +39,084 | 18 |
| QQQ | 736 | put | +38,379 | 17 |
| TLT | 75 | put | +38,020 | 24 |
| IWM | 275 | put | +37,310 | 22 |
| IWM | 268 | put | +36,785 | 15 |
| QQQ | 685 | put | +36,071 | 22 |
| TLT | 79.5 | call | +35,589 | 8 |
| TLT | 82 | call | +33,441 | 27 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPY | +811,083 | +287,929 | +523,154 |
| TLT | +691,398 | +547,658 | +143,740 |
| QQQ | +646,648 | +199,345 | +447,303 |
| SPX | +630,544 | +253,709 | +376,835 |
| XLU | +334,807 | +309,911 | +24,896 |
| TSLA | +302,350 | +147,207 | +155,143 |
| IWM | +228,181 | +114,348 | +113,833 |
| AAPL | +178,203 | +91,334 | +86,869 |
| AMZN | +135,573 | +86,691 | +48,882 |
| INTC | +129,345 | +63,070 | +66,275 |

Largest net decreases:

None in this pair.

## 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/2026-09-25