# Biggest options open interest changes

OI settled 2026-10-07 vs 2026-10-06.

> 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. 6 of those compared reported an identical book in both sessions.

Across the compared symbols: 70,527 contracts changed open interest, +5,791,489 added, -1,660,611 removed, net +4,130,878 contracts.

## Largest open interest increases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| XLF | 2026-11-20 | 56 | call | 44,024 | 106,028 | +62,004 |
| SOFI | 2026-11-20 | 13 | put | 5,028 | 66,931 | +61,903 |
| XLF | 2026-11-20 | 60 | call | 13,333 | 69,658 | +56,325 |
| XLF | 2026-11-20 | 53 | put | 69,707 | 125,460 | +55,753 |
| IWM | 2026-11-20 | 270 | put | 88,858 | 131,336 | +42,478 |
| EWZ | 2026-11-20 | 36 | put | 19,092 | 61,369 | +42,277 |
| SPY | 2026-10-08 | 738 | put | 980 | 37,129 | +36,149 |
| SPY | 2026-10-08 | 739 | put | 744 | 34,147 | +33,403 |
| SPY | 2026-10-30 | 765 | put | 4,391 | 29,703 | +25,312 |
| SPY | 2026-10-30 | 740 | put | 81,801 | 106,842 | +25,041 |
| IWM | 2026-10-14 | 255 | put | 3 | 24,186 | +24,183 |
| IWM | 2026-11-20 | 264 | put | 24,207 | 47,687 | +23,480 |
| EWZ | 2026-11-20 | 39 | put | 13,693 | 36,546 | +22,853 |
| SPX | 2027-03-19 | 8,000 | call | 73,838 | 96,025 | +22,187 |
| SPX | 2027-03-19 | 8,000 | put | 70,089 | 92,013 | +21,924 |
| IWM | 2026-10-15 | 250 | put | 164 | 20,014 | +19,850 |
| QQQ | 2026-10-23 | 730 | put | 2,520 | 22,173 | +19,653 |
| INTC | 2026-10-16 | 120 | call | 42,618 | 61,148 | +18,530 |
| SPY | 2026-10-09 | 710 | put | 2,330 | 20,337 | +18,007 |
| SPX | 2027-03-19 | 7,000 | call | 94,376 | 112,363 | +17,987 |

## Largest open interest decreases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-10-16 | 272 | put | 114,376 | 76,048 | -38,328 |
| SPY | 2026-10-23 | 725 | put | 62,454 | 29,047 | -33,407 |
| SPY | 2026-10-23 | 745 | put | 63,541 | 30,426 | -33,115 |
| AMC | 2027-01-15 | 3 | put | 37,647 | 10,636 | -27,011 |
| NVDA | 2027-01-15 | 170 | put | 84,121 | 59,313 | -24,808 |
| NVDA | 2027-01-15 | 220 | put | 67,878 | 43,093 | -24,785 |
| XLP | 2026-12-18 | 78 | put | 112,265 | 92,268 | -19,997 |
| EWZ | 2026-10-16 | 41 | call | 63,398 | 44,228 | -19,170 |
| EWZ | 2026-10-09 | 45 | call | 47,795 | 29,514 | -18,281 |
| EWZ | 2026-11-20 | 49 | call | 78,041 | 61,444 | -16,597 |
| EWZ | 2026-11-20 | 47 | call | 145,204 | 128,687 | -16,517 |
| SPX | 2026-12-18 | 8,000 | call | 316,414 | 300,741 | -15,673 |
| EWZ | 2026-11-20 | 44 | call | 126,048 | 111,218 | -14,830 |
| EWZ | 2026-10-16 | 40 | call | 142,502 | 127,765 | -14,737 |
| SPX | 2026-12-18 | 8,000 | put | 294,246 | 279,556 | -14,690 |
| EWZ | 2026-11-20 | 45 | call | 695,700 | 681,972 | -13,728 |
| IWM | 2026-10-16 | 275 | put | 125,877 | 112,272 | -13,605 |
| XLF | 2026-12-18 | 57 | call | 33,158 | 19,654 | -13,504 |
| XLF | 2026-12-18 | 61 | call | 16,132 | 2,776 | -13,356 |
| SPY | 2026-10-16 | 745 | put | 45,792 | 32,695 | -13,097 |

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

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-11-20 | 270 | put | 88,858 | 131,336 | +42,478 |
| SPY | 2026-10-08 | 738 | put | 980 | 37,129 | +36,149 |
| SPY | 2026-10-08 | 739 | put | 744 | 34,147 | +33,403 |
| SPY | 2026-10-30 | 765 | put | 4,391 | 29,703 | +25,312 |
| SPY | 2026-10-30 | 740 | put | 81,801 | 106,842 | +25,041 |
| IWM | 2026-10-14 | 255 | put | 3 | 24,186 | +24,183 |
| IWM | 2026-11-20 | 264 | put | 24,207 | 47,687 | +23,480 |
| IWM | 2026-10-15 | 250 | put | 164 | 20,014 | +19,850 |
| QQQ | 2026-10-23 | 730 | put | 2,520 | 22,173 | +19,653 |
| SPY | 2026-10-09 | 710 | put | 2,330 | 20,337 | +18,007 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-10-16 | 272 | put | 114,376 | 76,048 | -38,328 |
| SPY | 2026-10-23 | 725 | put | 62,454 | 29,047 | -33,407 |
| SPY | 2026-10-23 | 745 | put | 63,541 | 30,426 | -33,115 |
| IWM | 2026-10-16 | 275 | put | 125,877 | 112,272 | -13,605 |
| SPY | 2026-10-16 | 745 | put | 45,792 | 32,695 | -13,097 |
| SPY | 2026-10-16 | 725 | put | 58,432 | 46,017 | -12,415 |
| QQQ | 2027-06-17 | 840 | call | 23,649 | 11,251 | -12,398 |
| SPY | 2026-11-20 | 740 | put | 51,343 | 39,978 | -11,365 |
| QQQ | 2027-06-17 | 880 | call | 40,501 | 31,118 | -9,383 |
| QQQ | 2026-11-06 | 675 | put | 10,469 | 2,863 | -7,606 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| SOFI | 2026-11-20 | 13 | put | 5,028 | 66,931 | +61,903 |
| INTC | 2026-10-16 | 120 | call | 42,618 | 61,148 | +18,530 |
| AAPL | 2026-10-09 | 345 | call | 9,198 | 18,627 | +9,429 |
| NVDA | 2026-10-09 | 242.5 | call | 25,727 | 34,001 | +8,274 |
| BAC | 2026-10-16 | 55 | call | 13,409 | 21,643 | +8,234 |
| AAPL | 2026-10-09 | 347.5 | call | 10,772 | 18,893 | +8,121 |
| WFC | 2026-10-30 | 72 | put | 3 | 8,032 | +8,029 |
| WMB | 2026-11-13 | 64 | put | 0 | 8,000 | +8,000 |
| BAC | 2026-10-16 | 56 | call | 5,369 | 13,271 | +7,902 |
| BA | 2026-11-13 | 165 | put | 2 | 7,509 | +7,507 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| AMC | 2027-01-15 | 3 | put | 37,647 | 10,636 | -27,011 |
| NVDA | 2027-01-15 | 170 | put | 84,121 | 59,313 | -24,808 |
| NVDA | 2027-01-15 | 220 | put | 67,878 | 43,093 | -24,785 |
| NVDA | 2027-03-19 | 260 | call | 49,559 | 40,262 | -9,297 |
| BAC | 2026-10-09 | 56 | call | 15,481 | 7,016 | -8,465 |
| AMC | 2026-10-30 | 2.5 | put | 16,377 | 8,650 | -7,727 |
| BAC | 2026-10-09 | 57 | call | 13,254 | 5,789 | -7,465 |
| AMC | 2026-10-23 | 2.5 | put | 18,823 | 11,651 | -7,172 |
| AMZN | 2026-10-09 | 260 | call | 23,899 | 17,052 | -6,847 |
| INTC | 2026-10-16 | 160 | call | 59,887 | 54,037 | -5,850 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +2,626,305 | -807,608 | +1,818,697 |
| Puts | +3,165,184 | -853,003 | +2,312,181 |

## 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 % |
|---|---|---|---|---|---|---|---|
| SPY | 2026-11-20 | 739 | put | 1,049 | 16,970 | +15,921 | +1,517.7% |
| SPY | 2026-10-08 | 778 | call | 1,055 | 15,937 | +14,882 | +1,410.6% |
| SOFI | 2026-11-20 | 13 | put | 5,028 | 66,931 | +61,903 | +1,231.2% |
| XLU | 2026-10-23 | 43 | call | 1,067 | 11,846 | +10,779 | +1,010.2% |
| QQQ | 2026-10-08 | 750 | put | 1,469 | 13,710 | +12,241 | +833.3% |
| QQQ | 2026-10-23 | 730 | put | 2,520 | 22,173 | +19,653 | +779.9% |
| SPY | 2026-10-09 | 710 | put | 2,330 | 20,337 | +18,007 | +772.8% |
| QQQ | 2026-10-08 | 748 | put | 1,284 | 9,841 | +8,557 | +666.4% |
| SPX | 2027-02-19 | 7,250 | put | 2,274 | 17,384 | +15,110 | +664.5% |
| SPY | 2026-10-30 | 765 | put | 4,391 | 29,703 | +25,312 | +576.5% |
| SPY | 2026-10-09 | 715 | put | 3,010 | 20,233 | +17,223 | +572.2% |
| SPY | 2026-10-08 | 783 | call | 2,028 | 13,061 | +11,033 | +544% |
| SPY | 2026-11-13 | 810 | call | 1,526 | 9,819 | +8,293 | +543.4% |
| SPY | 2026-10-08 | 776 | put | 1,382 | 8,623 | +7,241 | +524% |
| QQQ | 2026-10-08 | 760 | call | 1,031 | 5,832 | +4,801 | +465.7% |
| BMY | 2026-11-20 | 57.5 | put | 1,275 | 6,917 | +5,642 | +442.5% |
| IWM | 2026-10-09 | 279 | call | 1,065 | 5,756 | +4,691 | +440.5% |
| QQQ | 2026-10-08 | 765 | call | 2,197 | 11,818 | +9,621 | +437.9% |
| AMC | 2026-11-06 | 2.5 | call | 1,052 | 5,539 | +4,487 | +426.5% |
| XLF | 2026-11-20 | 60 | call | 13,333 | 69,658 | +56,325 | +422.4% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| IWM | 2026-10-16 | 294 | put | 1,686 | 2 | -1,684 | -99.9% |
| IWM | 2026-10-08 | 284 | put | 1,470 | 1 | -1,469 | -99.9% |
| GLD | 2026-10-08 | 390 | put | 1,214 | 1 | -1,213 | -99.9% |
| GLD | 2026-10-08 | 392 | put | 1,207 | 2 | -1,205 | -99.8% |
| TLT | 2026-10-09 | 79.5 | put | 1,322 | 9 | -1,313 | -99.3% |
| XLF | 2027-03-31 | 59 | put | 1,024 | 35 | -989 | -96.6% |
| QQQ | 2026-10-08 | 770 | put | 1,215 | 60 | -1,155 | -95.1% |
| GLD | 2027-01-15 | 460 | put | 2,119 | 148 | -1,971 | -93% |
| IWM | 2026-10-09 | 287 | put | 1,500 | 180 | -1,320 | -88% |
| AXP | 2026-12-18 | 220 | call | 1,206 | 188 | -1,018 | -84.4% |
| XLF | 2026-12-18 | 61 | call | 16,132 | 2,776 | -13,356 | -82.8% |
| NVDA | 2026-11-13 | 230 | put | 3,479 | 863 | -2,616 | -75.2% |
| AMD | 2028-01-21 | 520 | put | 2,534 | 671 | -1,863 | -73.5% |
| QQQ | 2026-11-06 | 675 | put | 10,469 | 2,863 | -7,606 | -72.7% |
| AMC | 2027-01-15 | 3 | put | 37,647 | 10,636 | -27,011 | -71.7% |
| TLT | 2027-03-19 | 89 | put | 1,125 | 335 | -790 | -70.2% |
| SPX | 2026-11-06 | 6,200 | put | 7,374 | 2,606 | -4,768 | -64.7% |
| SOFI | 2026-10-09 | 17.5 | put | 4,845 | 1,729 | -3,116 | -64.3% |
| MA | 2026-10-09 | 585 | call | 1,202 | 438 | -764 | -63.6% |
| SPX | 2026-10-23 | 7,725 | call | 1,270 | 472 | -798 | -62.8% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| XLF | 56 | call | +83,673 | 15 |
| XLF | 60 | call | +71,446 | 9 |
| SOFI | 13 | put | +66,132 | 17 |
| XLF | 53 | put | +61,920 | 17 |
| SPY | 739 | put | +50,628 | 15 |
| EWZ | 36 | put | +42,383 | 8 |
| SPY | 745 | put | -41,582 | 24 |
| IWM | 270 | put | +40,239 | 24 |
| SPY | 725 | put | -39,610 | 24 |
| SPY | 738 | put | +36,961 | 17 |
| SPY | 765 | put | +36,252 | 27 |
| IWM | 250 | put | +34,133 | 22 |
| EWZ | 45 | call | -33,165 | 18 |
| TLT | 77 | call | +30,477 | 27 |
| IWM | 272 | put | -30,352 | 16 |
| QQQ | 730 | put | +28,806 | 27 |
| TLT | 82 | call | +28,708 | 26 |
| IWM | 264 | put | +28,401 | 12 |
| TLT | 78 | call | +28,359 | 27 |
| INTC | 120 | call | +28,171 | 21 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPY | +764,668 | +279,775 | +484,893 |
| SPX | +611,455 | +227,184 | +384,271 |
| QQQ | +378,093 | +74,426 | +303,667 |
| IWM | +349,513 | +147,848 | +201,665 |
| XLF | +248,725 | +138,920 | +109,805 |
| TLT | +215,931 | +174,644 | +41,287 |
| SOFI | +118,228 | +38,782 | +79,446 |
| INTC | +117,055 | +83,340 | +33,715 |
| NVDA | +109,416 | +71,915 | +37,501 |
| TSLA | +96,231 | +51,450 | +44,781 |

Largest net decreases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| AMC | -31,497 | +9,562 | -41,059 |
| XLP | -18,319 | +1,115 | -19,434 |
| XLU | -8,525 | -14,430 | +5,905 |
| FXI | -4,432 | +1,454 | -5,886 |
| KWEB | -2,819 | -1,007 | -1,812 |
| HAL | -605 | +86 | -691 |
| TGT | -261 | +689 | -950 |
| GPN | -246 | -265 | +19 |
| FITB | -23 | -65 | +42 |
| KEY | -11 | -39 | +28 |

## Archive

- 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)
- https://squawkflow.com/oi-changes/2026-09-24.md (2026-09-24 vs 2026-09-23, 130 symbols)

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

Canonical: https://squawkflow.com/oi-changes/2026-10-07