# Biggest options open interest changes

OI settled 2026-09-09 vs 2026-09-08.

> 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.

133 of 212 archived US symbols compared. The other 79 lacked a consecutive settlement pair in the archive for these two sessions. 4 of those compared reported an identical book in both sessions.

Across the compared symbols: 66,807 contracts changed open interest, +5,235,172 added, -1,139,698 removed, net +4,095,474 contracts.

## Largest open interest increases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| GRAB | 2026-10-23 | 3 | call | 16 | 49,551 | +49,535 |
| GLD | 2026-09-11 | 393 | put | 695 | 36,131 | +35,436 |
| GLD | 2026-09-11 | 400 | put | 4,715 | 38,426 | +33,711 |
| IWM | 2026-10-16 | 276 | put | 2,159 | 33,642 | +31,483 |
| IWM | 2026-09-14 | 302 | call | 123 | 27,821 | +27,698 |
| TLT | 2026-09-30 | 83 | call | 21,284 | 48,609 | +27,325 |
| IWM | 2026-09-18 | 283 | put | 51,238 | 77,012 | +25,774 |
| TLT | 2026-12-18 | 90 | call | 202,262 | 226,401 | +24,139 |
| TLT | 2026-09-30 | 84 | call | 55,999 | 79,968 | +23,969 |
| SPX | 2026-12-31 | 8,140 | call | 20,379 | 43,092 | +22,713 |
| IWM | 2026-09-14 | 299 | call | 572 | 22,821 | +22,249 |
| SPX | 2026-12-31 | 8,150 | call | 41,872 | 63,354 | +21,482 |
| INTC | 2026-10-02 | 115 | call | 1,156 | 22,508 | +21,352 |
| SPY | 2026-09-10 | 737 | put | 440 | 21,393 | +20,953 |
| SPY | 2026-09-10 | 735 | put | 146 | 20,770 | +20,624 |
| SPY | 2026-09-15 | 760 | put | 3,965 | 24,588 | +20,623 |
| LYFT | 2027-03-19 | 13 | put | 5,346 | 25,424 | +20,078 |
| TLT | 2026-09-11 | 82 | call | 3,941 | 23,743 | +19,802 |
| SPY | 2026-09-18 | 823 | call | 1,354 | 19,933 | +18,579 |
| IWM | 2026-10-16 | 279 | put | 26,670 | 44,441 | +17,771 |

## Largest open interest decreases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| FISV | 2026-09-18 | 50 | put | 155,127 | 4,986 | -150,141 |
| FISV | 2026-09-18 | 55 | call | 104,941 | 8,898 | -96,043 |
| IWM | 2026-09-18 | 285 | put | 132,906 | 108,876 | -24,030 |
| SPX | 2026-12-31 | 8,160 | call | 70,017 | 47,217 | -22,800 |
| SPY | 2026-10-16 | 728 | put | 38,819 | 23,905 | -14,914 |
| SPY | 2026-09-15 | 755 | put | 27,296 | 15,175 | -12,121 |
| XLF | 2026-10-02 | 60.5 | call | 60,646 | 48,917 | -11,729 |
| IWM | 2026-09-18 | 290 | put | 148,164 | 138,243 | -9,921 |
| TLT | 2027-01-15 | 90 | call | 137,588 | 129,785 | -7,803 |
| SPX | 2026-12-31 | 8,170 | call | 33,707 | 26,564 | -7,143 |
| SPY | 2026-09-11 | 760 | put | 52,182 | 45,532 | -6,650 |
| TLT | 2026-09-18 | 83 | call | 96,336 | 90,404 | -5,932 |
| INTC | 2026-09-18 | 95 | call | 43,840 | 38,261 | -5,579 |
| TLT | 2026-11-20 | 82 | put | 55,841 | 50,568 | -5,273 |
| IWM | 2026-09-11 | 292 | put | 19,686 | 14,602 | -5,084 |
| COIN | 2026-09-18 | 170 | call | 16,051 | 11,484 | -4,567 |
| IWM | 2026-10-16 | 281 | put | 36,305 | 31,779 | -4,526 |
| TLT | 2026-11-20 | 78 | put | 16,775 | 12,265 | -4,510 |
| AMD | 2026-09-18 | 340 | put | 9,646 | 5,641 | -4,005 |
| XLF | 2026-09-18 | 60 | call | 37,637 | 34,072 | -3,565 |

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

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-10-16 | 276 | put | 2,159 | 33,642 | +31,483 |
| IWM | 2026-09-14 | 302 | call | 123 | 27,821 | +27,698 |
| IWM | 2026-09-18 | 283 | put | 51,238 | 77,012 | +25,774 |
| IWM | 2026-09-14 | 299 | call | 572 | 22,821 | +22,249 |
| SPY | 2026-09-10 | 737 | put | 440 | 21,393 | +20,953 |
| SPY | 2026-09-10 | 735 | put | 146 | 20,770 | +20,624 |
| SPY | 2026-09-15 | 760 | put | 3,965 | 24,588 | +20,623 |
| SPY | 2026-09-18 | 823 | call | 1,354 | 19,933 | +18,579 |
| IWM | 2026-10-16 | 279 | put | 26,670 | 44,441 | +17,771 |
| SPY | 2026-09-11 | 770 | call | 8,421 | 24,005 | +15,584 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-09-18 | 285 | put | 132,906 | 108,876 | -24,030 |
| SPY | 2026-10-16 | 728 | put | 38,819 | 23,905 | -14,914 |
| SPY | 2026-09-15 | 755 | put | 27,296 | 15,175 | -12,121 |
| IWM | 2026-09-18 | 290 | put | 148,164 | 138,243 | -9,921 |
| SPY | 2026-09-11 | 760 | put | 52,182 | 45,532 | -6,650 |
| IWM | 2026-09-11 | 292 | put | 19,686 | 14,602 | -5,084 |
| IWM | 2026-10-16 | 281 | put | 36,305 | 31,779 | -4,526 |
| SPY | 2026-09-25 | 755 | put | 5,397 | 1,923 | -3,474 |
| IWM | 2026-09-25 | 289 | put | 7,522 | 4,088 | -3,434 |
| IWM | 2027-01-15 | 285 | put | 16,735 | 13,431 | -3,304 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| GRAB | 2026-10-23 | 3 | call | 16 | 49,551 | +49,535 |
| INTC | 2026-10-02 | 115 | call | 1,156 | 22,508 | +21,352 |
| LYFT | 2027-03-19 | 13 | put | 5,346 | 25,424 | +20,078 |
| AAPL | 2026-09-11 | 255 | put | 181 | 13,666 | +13,485 |
| GRAB | 2026-10-16 | 3 | call | 4,398 | 16,906 | +12,508 |
| COIN | 2026-11-20 | 170 | call | 498 | 12,838 | +12,340 |
| AAPL | 2026-09-11 | 330 | call | 22,560 | 34,316 | +11,756 |
| AAPL | 2026-09-11 | 240 | put | 265 | 10,024 | +9,759 |
| AAPL | 2026-09-11 | 257.5 | put | 13 | 9,515 | +9,502 |
| AAPL | 2027-02-19 | 15 | put | 0 | 9,500 | +9,500 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| FISV | 2026-09-18 | 50 | put | 155,127 | 4,986 | -150,141 |
| FISV | 2026-09-18 | 55 | call | 104,941 | 8,898 | -96,043 |
| INTC | 2026-09-18 | 95 | call | 43,840 | 38,261 | -5,579 |
| COIN | 2026-09-18 | 170 | call | 16,051 | 11,484 | -4,567 |
| AMD | 2026-09-18 | 340 | put | 9,646 | 5,641 | -4,005 |
| TTWO | 2026-09-18 | 170 | put | 7,281 | 3,936 | -3,345 |
| AMC | 2026-09-18 | 3 | call | 61,347 | 58,103 | -3,244 |
| HOOD | 2026-11-20 | 120 | call | 11,442 | 8,201 | -3,241 |
| LCID | 2026-12-18 | 2 | put | 18,037 | 14,818 | -3,219 |
| META | 2026-09-11 | 640 | call | 7,559 | 4,391 | -3,168 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +2,614,079 | -507,541 | +2,106,538 |
| Puts | +2,621,093 | -632,157 | +1,988,936 |

## 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 % |
|---|---|---|---|---|---|---|---|
| INTC | 2026-10-02 | 115 | call | 1,156 | 22,508 | +21,352 | +1,847.1% |
| IWM | 2026-10-16 | 276 | put | 2,159 | 33,642 | +31,483 | +1,458.2% |
| SPY | 2026-09-18 | 823 | call | 1,354 | 19,933 | +18,579 | +1,372.2% |
| SPX | 2026-09-11 | 7,755 | call | 1,268 | 12,728 | +11,460 | +903.8% |
| GLD | 2026-09-11 | 400 | put | 4,715 | 38,426 | +33,711 | +715% |
| META | 2026-09-11 | 700 | call | 1,378 | 9,652 | +8,274 | +600.4% |
| IWM | 2026-10-16 | 312 | call | 1,448 | 10,051 | +8,603 | +594.1% |
| SPY | 2026-10-16 | 726 | put | 2,038 | 13,212 | +11,174 | +548.3% |
| SPY | 2026-09-15 | 760 | put | 3,965 | 24,588 | +20,623 | +520.1% |
| TLT | 2026-09-11 | 82 | call | 3,941 | 23,743 | +19,802 | +502.5% |
| AMD | 2026-10-16 | 490 | call | 1,871 | 11,176 | +9,305 | +497.3% |
| GOOGL | 2026-09-18 | 150 | put | 1,872 | 11,169 | +9,297 | +496.6% |
| AAPL | 2026-09-14 | 315 | call | 1,141 | 6,488 | +5,347 | +468.6% |
| SPX | 2026-10-23 | 6,200 | put | 1,102 | 6,146 | +5,044 | +457.7% |
| SPY | 2026-09-10 | 759 | put | 1,072 | 5,651 | +4,579 | +427.1% |
| SPY | 2026-09-10 | 764 | put | 1,150 | 5,653 | +4,503 | +391.6% |
| XLF | 2026-09-18 | 62 | call | 3,674 | 18,001 | +14,327 | +390% |
| TLT | 2027-03-19 | 79 | put | 1,192 | 5,694 | +4,502 | +377.7% |
| LYFT | 2027-03-19 | 13 | put | 5,346 | 25,424 | +20,078 | +375.6% |
| AMZN | 2026-09-11 | 252.5 | call | 1,027 | 4,820 | +3,793 | +369.3% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| LYFT | 2026-09-11 | 18 | put | 1,914 | 5 | -1,909 | -99.7% |
| DIA | 2026-09-11 | 536 | put | 1,035 | 3 | -1,032 | -99.7% |
| FISV | 2026-09-18 | 50 | put | 155,127 | 4,986 | -150,141 | -96.8% |
| SPY | 2026-09-11 | 776 | put | 1,004 | 32 | -972 | -96.8% |
| SPY | 2026-09-11 | 777 | put | 1,224 | 48 | -1,176 | -96.1% |
| FISV | 2026-09-18 | 55 | call | 104,941 | 8,898 | -96,043 | -91.5% |
| FISV | 2026-09-18 | 60 | put | 1,040 | 108 | -932 | -89.6% |
| AAPL | 2026-09-11 | 340 | put | 1,724 | 203 | -1,521 | -88.2% |
| CRM | 2026-09-11 | 265 | put | 1,734 | 250 | -1,484 | -85.6% |
| LULU | 2026-09-18 | 125 | put | 1,366 | 205 | -1,161 | -85% |
| LULU | 2027-01-15 | 165 | put | 1,204 | 227 | -977 | -81.1% |
| SPY | 2026-09-10 | 772 | put | 1,177 | 272 | -905 | -76.9% |
| MCD | 2026-09-18 | 275 | put | 1,432 | 389 | -1,043 | -72.8% |
| META | 2026-09-11 | 627.5 | call | 1,925 | 562 | -1,363 | -70.8% |
| CLOV | 2026-09-11 | 4.5 | put | 1,880 | 573 | -1,307 | -69.5% |
| UNH | 2026-09-25 | 430 | call | 2,494 | 854 | -1,640 | -65.8% |
| SPY | 2026-09-25 | 755 | put | 5,397 | 1,923 | -3,474 | -64.4% |
| COIN | 2026-09-11 | 197.5 | call | 3,694 | 1,504 | -2,190 | -59.3% |
| SPY | 2026-09-11 | 775 | put | 2,666 | 1,103 | -1,563 | -58.6% |
| COF | 2027-03-19 | 250 | call | 2,501 | 1,051 | -1,450 | -58% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| FISV | 50 | put | -148,027 | 12 |
| FISV | 55 | call | -94,605 | 11 |
| GRAB | 3 | call | +71,276 | 13 |
| TLT | 83 | call | +55,970 | 26 |
| TLT | 84 | call | +37,959 | 25 |
| SPX | 7,000 | put | +37,873 | 49 |
| GLD | 400 | put | +36,220 | 26 |
| GLD | 393 | put | +35,610 | 13 |
| IWM | 276 | put | +32,221 | 8 |
| TLT | 82 | call | +31,094 | 25 |
| TLT | 81 | put | +30,784 | 22 |
| SPY | 770 | call | +29,516 | 32 |
| INTC | 115 | call | +29,408 | 20 |
| IWM | 302 | call | +29,284 | 14 |
| SPY | 735 | put | +29,253 | 24 |
| IWM | 299 | call | +26,641 | 15 |
| IWM | 270 | put | +26,462 | 26 |
| IWM | 283 | put | +26,135 | 12 |
| SPY | 750 | put | +25,470 | 30 |
| SPX | 7,000 | call | +25,265 | 15 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPX | +661,108 | +265,897 | +395,211 |
| SPY | +526,870 | +226,051 | +300,819 |
| IWM | +395,474 | +204,218 | +191,256 |
| QQQ | +390,246 | +122,291 | +267,955 |
| TLT | +277,447 | +197,120 | +80,327 |
| AAPL | +259,564 | +141,323 | +118,241 |
| GOOGL | +166,774 | +109,540 | +57,234 |
| TSLA | +137,430 | +76,057 | +61,373 |
| GRAB | +137,205 | +119,864 | +17,341 |
| GLD | +116,938 | +21,383 | +95,555 |

Largest net decreases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| FISV | -233,534 | -88,785 | -144,749 |
| COF | -1,335 | -1,444 | +109 |
| BDX | -772 | -1,060 | +288 |
| MMM | -676 | +74 | -750 |
| HON | -176 | +293 | -469 |
| ITW | -9 | +63 | -72 |

## 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/2026-09-09