# Biggest options open interest changes

OI settled 2026-10-09 vs 2026-10-08.

> 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.

168 of 214 archived US symbols compared. The other 46 lacked a consecutive settlement pair in the archive for these two sessions. 3 of those compared reported an identical book in both sessions.

Across the compared symbols: 81,660 contracts changed open interest, +7,900,900 added, -1,436,602 removed, net +6,464,298 contracts.

## Largest open interest increases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| TLT | 2028-01-21 | 95 | call | 88,637 | 257,823 | +169,186 |
| EWZ | 2027-01-15 | 55 | call | 18,808 | 134,570 | +115,762 |
| NVDA | 2027-02-19 | 120 | put | 1,069 | 113,613 | +112,544 |
| EWZ | 2027-01-15 | 50 | call | 86,424 | 163,218 | +76,794 |
| NVDA | 2027-02-19 | 165 | put | 6,977 | 81,316 | +74,339 |
| EWZ | 2026-12-18 | 46 | call | 278,335 | 350,769 | +72,434 |
| EWZ | 2026-12-18 | 50 | call | 329,434 | 387,170 | +57,736 |
| EWZ | 2027-01-15 | 54 | call | 5,034 | 54,415 | +49,381 |
| NVDA | 2026-10-16 | 110 | put | 9,601 | 53,629 | +44,028 |
| EWZ | 2026-11-20 | 37 | put | 82,059 | 119,026 | +36,967 |
| INTC | 2026-10-23 | 115 | call | 4,257 | 39,675 | +35,418 |
| EWZ | 2026-11-20 | 34 | put | 137,770 | 172,543 | +34,773 |
| QQQ | 2026-10-12 | 560 | put | 515 | 34,975 | +34,460 |
| EWZ | 2027-01-15 | 47 | call | 6,332 | 36,506 | +30,174 |
| INTC | 2028-01-21 | 90 | call | 1,687 | 31,849 | +30,162 |
| INTC | 2028-01-21 | 125 | call | 5,494 | 35,563 | +30,069 |
| NVDA | 2026-10-16 | 237.5 | call | 12,685 | 42,425 | +29,740 |
| SPY | 2026-10-16 | 785 | call | 44,310 | 73,902 | +29,592 |
| EWZ | 2026-11-20 | 45 | call | 682,144 | 707,827 | +25,683 |
| AMZN | 2026-10-30 | 275 | call | 5,140 | 29,957 | +24,817 |

## Largest open interest decreases (contracts)

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| TLT | 2028-01-21 | 100 | call | 401,354 | 237,619 | -163,735 |
| NVDA | 2027-01-15 | 180 | put | 155,649 | 57,279 | -98,370 |
| TLT | 2028-01-21 | 120 | call | 447,399 | 410,433 | -36,966 |
| NVDA | 2026-10-16 | 180 | call | 93,552 | 63,574 | -29,978 |
| AMZN | 2026-10-30 | 260 | call | 29,808 | 4,977 | -24,831 |
| INTC | 2026-10-16 | 130 | call | 94,315 | 72,533 | -21,782 |
| INTC | 2026-10-16 | 160 | call | 53,795 | 35,963 | -17,832 |
| IWM | 2026-10-16 | 269 | put | 74,744 | 60,613 | -14,131 |
| IWM | 2026-10-16 | 279 | put | 59,603 | 46,099 | -13,504 |
| SPY | 2026-11-20 | 736 | put | 31,013 | 17,862 | -13,151 |
| FXI | 2027-01-15 | 36 | put | 67,856 | 55,052 | -12,804 |
| XLF | 2027-01-15 | 57 | put | 26,763 | 14,264 | -12,499 |
| TLT | 2026-11-20 | 77 | put | 102,034 | 89,867 | -12,167 |
| BAC | 2026-10-16 | 55 | call | 33,636 | 21,941 | -11,695 |
| GME | 2026-10-16 | 25 | call | 37,461 | 27,507 | -9,954 |
| XLU | 2026-10-16 | 41 | call | 43,958 | 34,051 | -9,907 |
| TLT | 2026-11-20 | 75 | put | 99,402 | 89,721 | -9,681 |
| EWZ | 2026-11-20 | 40 | call | 151,856 | 142,405 | -9,451 |
| SPY | 2026-10-14 | 790 | call | 28,501 | 19,101 | -9,400 |
| IWM | 2026-10-30 | 270 | put | 36,254 | 26,974 | -9,280 |

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

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| QQQ | 2026-10-12 | 560 | put | 515 | 34,975 | +34,460 |
| SPY | 2026-10-16 | 785 | call | 44,310 | 73,902 | +29,592 |
| IWM | 2026-10-16 | 271 | put | 38,478 | 61,129 | +22,651 |
| SPY | 2026-10-16 | 772 | put | 15,109 | 36,422 | +21,313 |
| SPY | 2026-10-12 | 748 | put | 393 | 21,425 | +21,032 |
| IWM | 2026-11-20 | 265 | put | 94,390 | 114,992 | +20,602 |
| SPY | 2026-10-12 | 726 | put | 49 | 15,519 | +15,470 |
| IWM | 2026-10-16 | 286 | call | 5,204 | 19,678 | +14,474 |
| SPY | 2026-10-23 | 790 | call | 5,254 | 19,691 | +14,437 |
| SPY | 2026-10-12 | 746 | put | 557 | 14,622 | +14,065 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-10-16 | 269 | put | 74,744 | 60,613 | -14,131 |
| IWM | 2026-10-16 | 279 | put | 59,603 | 46,099 | -13,504 |
| SPY | 2026-11-20 | 736 | put | 31,013 | 17,862 | -13,151 |
| SPY | 2026-10-14 | 790 | call | 28,501 | 19,101 | -9,400 |
| IWM | 2026-10-30 | 270 | put | 36,254 | 26,974 | -9,280 |
| IWM | 2026-10-16 | 270 | put | 77,910 | 69,896 | -8,014 |
| IWM | 2026-10-16 | 280 | put | 87,849 | 82,111 | -5,738 |
| SPY | 2026-10-16 | 748 | put | 22,265 | 16,919 | -5,346 |
| IWM | 2026-11-20 | 264 | put | 51,455 | 46,143 | -5,312 |
| QQQ | 2026-10-16 | 725 | put | 29,241 | 25,152 | -4,089 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| NVDA | 2027-02-19 | 120 | put | 1,069 | 113,613 | +112,544 |
| NVDA | 2027-02-19 | 165 | put | 6,977 | 81,316 | +74,339 |
| NVDA | 2026-10-16 | 110 | put | 9,601 | 53,629 | +44,028 |
| INTC | 2026-10-23 | 115 | call | 4,257 | 39,675 | +35,418 |
| INTC | 2028-01-21 | 90 | call | 1,687 | 31,849 | +30,162 |
| INTC | 2028-01-21 | 125 | call | 5,494 | 35,563 | +30,069 |
| NVDA | 2026-10-16 | 237.5 | call | 12,685 | 42,425 | +29,740 |
| AMZN | 2026-10-30 | 275 | call | 5,140 | 29,957 | +24,817 |
| TSLA | 2026-10-16 | 140 | put | 983 | 23,928 | +22,945 |
| NVDA | 2026-10-16 | 232.5 | call | 17,359 | 39,819 | +22,460 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| NVDA | 2027-01-15 | 180 | put | 155,649 | 57,279 | -98,370 |
| NVDA | 2026-10-16 | 180 | call | 93,552 | 63,574 | -29,978 |
| AMZN | 2026-10-30 | 260 | call | 29,808 | 4,977 | -24,831 |
| INTC | 2026-10-16 | 130 | call | 94,315 | 72,533 | -21,782 |
| INTC | 2026-10-16 | 160 | call | 53,795 | 35,963 | -17,832 |
| BAC | 2026-10-16 | 55 | call | 33,636 | 21,941 | -11,695 |
| GME | 2026-10-16 | 25 | call | 37,461 | 27,507 | -9,954 |
| NFLX | 2026-11-20 | 65 | put | 28,910 | 19,934 | -8,976 |
| TSLA | 2026-10-16 | 400 | call | 31,253 | 24,259 | -6,994 |
| NVDA | 2027-06-17 | 260 | call | 30,963 | 25,015 | -5,948 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +4,051,303 | -870,742 | +3,180,561 |
| Puts | +3,849,597 | -565,860 | +3,283,737 |

## 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 % |
|---|---|---|---|---|---|---|---|
| NVDA | 2027-02-19 | 120 | put | 1,069 | 113,613 | +112,544 | +10,528% |
| SPX | 2026-10-23 | 6,800 | put | 1,095 | 24,231 | +23,136 | +2,112.9% |
| INTC | 2028-01-21 | 90 | call | 1,687 | 31,849 | +30,162 | +1,787.9% |
| TSLA | 2026-10-16 | 235 | put | 1,285 | 20,195 | +18,910 | +1,471.6% |
| TSLA | 2026-10-16 | 215 | put | 1,055 | 14,904 | +13,849 | +1,312.7% |
| NVDA | 2027-02-19 | 165 | put | 6,977 | 81,316 | +74,339 | +1,065.5% |
| EWZ | 2028-01-21 | 28 | put | 1,019 | 11,019 | +10,000 | +981.4% |
| EWZ | 2027-01-15 | 54 | call | 5,034 | 54,415 | +49,381 | +980.9% |
| CVX | 2026-10-16 | 225 | call | 1,133 | 11,227 | +10,094 | +890.9% |
| SPY | 2026-10-12 | 727 | put | 1,326 | 13,035 | +11,709 | +883% |
| INTC | 2026-10-23 | 115 | call | 4,257 | 39,675 | +35,418 | +832% |
| INTC | 2026-10-23 | 125 | call | 2,845 | 24,136 | +21,291 | +748.4% |
| SPY | 2026-10-16 | 706 | put | 1,109 | 9,198 | +8,089 | +729.4% |
| AAPL | 2026-10-16 | 225 | put | 1,757 | 13,538 | +11,781 | +670.5% |
| SPY | 2026-10-12 | 778 | put | 1,061 | 7,820 | +6,759 | +637% |
| EWZ | 2027-01-15 | 55 | call | 18,808 | 134,570 | +115,762 | +615.5% |
| INTC | 2028-01-21 | 125 | call | 5,494 | 35,563 | +30,069 | +547.3% |
| PLTR | 2026-10-16 | 212.5 | call | 1,682 | 10,557 | +8,875 | +527.6% |
| PLTR | 2026-10-16 | 207.5 | call | 2,314 | 14,493 | +12,179 | +526.3% |
| SPY | 2026-10-12 | 733 | put | 1,774 | 10,716 | +8,942 | +504.1% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| MCD | 2026-11-13 | 240 | call | 1,540 | 111 | -1,429 | -92.8% |
| AMZN | 2026-10-30 | 260 | call | 29,808 | 4,977 | -24,831 | -83.3% |
| TMO | 2026-10-16 | 655 | put | 1,046 | 195 | -851 | -81.4% |
| GME | 2026-12-18 | 21 | call | 7,556 | 2,287 | -5,269 | -69.7% |
| NVDA | 2027-01-15 | 180 | put | 155,649 | 57,279 | -98,370 | -63.2% |
| QQQ | 2028-06-16 | 295 | put | 1,159 | 465 | -694 | -59.9% |
| DIA | 2026-10-16 | 519 | call | 1,997 | 813 | -1,184 | -59.3% |
| IWM | 2026-10-23 | 271 | put | 6,961 | 3,065 | -3,896 | -56% |
| EWZ | 2026-10-30 | 37 | call | 2,254 | 1,055 | -1,199 | -53.2% |
| QQQ | 2026-11-20 | 755 | put | 5,153 | 2,451 | -2,702 | -52.4% |
| AAPL | 2026-10-12 | 340 | put | 1,873 | 901 | -972 | -51.9% |
| SPY | 2026-10-23 | 761 | put | 6,287 | 3,210 | -3,077 | -48.9% |
| EWY | 2026-10-30 | 210 | call | 1,462 | 762 | -700 | -47.9% |
| ISRG | 2026-11-20 | 350 | call | 1,047 | 547 | -500 | -47.8% |
| ISRG | 2026-11-20 | 360 | call | 1,007 | 532 | -475 | -47.2% |
| XLF | 2027-01-15 | 57 | put | 26,763 | 14,264 | -12,499 | -46.7% |
| SOFI | 2026-11-20 | 28 | call | 4,892 | 2,610 | -2,282 | -46.6% |
| SPY | 2027-02-26 | 750 | put | 1,260 | 674 | -586 | -46.5% |
| META | 2028-01-21 | 730 | call | 1,829 | 981 | -848 | -46.4% |
| XLE | 2027-06-17 | 45 | call | 6,479 | 3,479 | -3,000 | -46.3% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| TLT | 95 | call | +169,380 | 14 |
| TLT | 100 | call | -163,296 | 18 |
| EWZ | 50 | call | +150,782 | 12 |
| NVDA | 120 | put | +121,210 | 14 |
| EWZ | 55 | call | +115,884 | 8 |
| NVDA | 180 | put | -95,050 | 24 |
| NVDA | 165 | put | +74,869 | 20 |
| EWZ | 46 | call | +74,500 | 12 |
| INTC | 125 | call | +51,505 | 20 |
| EWZ | 54 | call | +49,419 | 5 |
| EWZ | 45 | call | +47,642 | 11 |
| NVDA | 110 | put | +44,103 | 12 |
| EWZ | 37 | put | +40,202 | 9 |
| NVDA | 235 | call | +39,745 | 24 |
| INTC | 115 | call | +39,165 | 20 |
| SPY | 785 | call | +39,036 | 21 |
| NVDA | 232.5 | call | +38,253 | 6 |
| EWZ | 47 | call | +38,213 | 11 |
| TLT | 120 | call | -36,780 | 5 |
| EWZ | 48 | call | +35,694 | 10 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPX | +769,026 | +223,412 | +545,614 |
| SPY | +737,749 | +228,351 | +509,398 |
| EWZ | +678,888 | +523,462 | +155,426 |
| QQQ | +528,527 | +174,659 | +353,868 |
| NVDA | +502,741 | +184,445 | +318,296 |
| TSLA | +285,559 | +133,166 | +152,393 |
| INTC | +271,597 | +167,489 | +104,108 |
| AAPL | +200,192 | +92,755 | +107,437 |
| PLTR | +177,478 | +89,149 | +88,329 |
| IWM | +172,216 | +102,223 | +69,993 |

Largest net decreases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| XLU | -5,799 | -20,319 | +14,520 |
| KEY | -162 | -88 | -74 |
| FITB | -59 | -50 | -9 |

## Archive

- https://squawkflow.com/oi-changes/2026-10-13.md (2026-10-13 vs 2026-10-12, 210 symbols)
- https://squawkflow.com/oi-changes/2026-10-12.md (2026-10-12 vs 2026-10-09, 210 symbols)
- https://squawkflow.com/oi-changes/2026-10-09.md (2026-10-09 vs 2026-10-08, 168 symbols)
- 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)

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

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