# Biggest options open interest changes

OI settled 2026-10-29 vs 2026-10-28.

Computed from the Oct 29 settlement.

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

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

212 of 214 archived US symbols compared. The other 2 lacked a consecutive settlement pair in the archive for these two sessions.

Across the compared symbols: 107,723 contracts changed open interest, +8,107,091 added, -2,484,694 removed, net +5,622,397 contracts.

## Largest open interest increases (contracts)

| Ticker | Call/Put | Change | Strike | Expiry | DTE at settle | Prior OI | Current OI | Settled |
|---|---|---|---|---|---|---|---|---|
| TLT | Call | +52,065 | 83 | 2027-01-15 | 78 | 30,587 | 82,652 | 2026-10-29 |
| IWM | Put | +44,979 | 271 | 2026-11-20 | 22 | 5,674 | 50,653 | 2026-10-29 |
| NFLX | Put | +43,187 | 60 | 2026-12-18 | 50 | 24,259 | 67,446 | 2026-10-29 |
| NFLX | Call | +40,434 | 64 | 2026-12-18 | 50 | 1,949 | 42,383 | 2026-10-29 |
| SPY | Put | +35,405 | 757 | 2026-11-20 | 22 | 1,881 | 37,286 | 2026-10-29 |
| SPY | Put | +32,583 | 725 | 2026-11-20 | 22 | 75,626 | 108,209 | 2026-10-29 |
| QQQ | Put | +30,935 | 650 | 2027-01-15 | 78 | 19,385 | 50,320 | 2026-10-29 |
| IWM | Put | +26,698 | 277 | 2026-11-20 | 22 | 8,836 | 35,534 | 2026-10-29 |
| QQQ | Call | +26,402 | 723 | 2026-10-30 | 1 | 1,627 | 28,029 | 2026-10-29 |
| QQQ | Put | +26,386 | 705 | 2026-10-30 | 1 | 18,002 | 44,388 | 2026-10-29 |
| IWM | Call | +26,268 | 291 | 2026-11-02 | 4 | 25 | 26,293 | 2026-10-29 |
| QQQ | Call | +26,009 | 727 | 2026-10-30 | 1 | 2,891 | 28,900 | 2026-10-29 |
| SPY | Put | +25,514 | 730 | 2026-11-20 | 22 | 58,867 | 84,381 | 2026-10-29 |
| TLT | Call | +25,402 | 85 | 2028-01-21 | 449 | 72,278 | 97,680 | 2026-10-29 |
| SLV | Put | +20,535 | 36.5 | 2027-01-15 | 78 | 568 | 21,103 | 2026-10-29 |
| SPY | Put | +19,139 | 665 | 2026-11-03 | 5 | 292 | 19,431 | 2026-10-29 |
| IWM | Put | +18,217 | 265 | 2026-11-13 | 15 | 4,397 | 22,614 | 2026-10-29 |
| QQQ | Put | +18,177 | 700 | 2026-10-30 | 1 | 42,068 | 60,245 | 2026-10-29 |
| IWM | Put | +17,784 | 276 | 2026-11-13 | 15 | 972 | 18,756 | 2026-10-29 |
| SPX | Put | +16,564 | 5,500 | 2027-03-31 | 153 | 111 | 16,675 | 2026-10-29 |

DTE at settle counts calendar days from the settlement date, not from today.

## Largest open interest decreases (contracts)

| Ticker | Call/Put | Change | Strike | Expiry | DTE at settle | Prior OI | Current OI | Settled |
|---|---|---|---|---|---|---|---|---|
| EWZ | Put | -75,882 | 36 | 2026-10-30 | 1 | 144,205 | 68,323 | 2026-10-29 |
| IWM | Put | -33,268 | 268 | 2026-11-20 | 22 | 84,202 | 50,934 | 2026-10-29 |
| EWZ | Put | -29,926 | 35 | 2026-10-30 | 1 | 51,882 | 21,956 | 2026-10-29 |
| EWZ | Put | -26,821 | 37 | 2026-11-20 | 22 | 168,062 | 141,241 | 2026-10-29 |
| SPY | Put | -19,043 | 734 | 2026-11-20 | 22 | 35,390 | 16,347 | 2026-10-29 |
| EWZ | Put | -17,745 | 37 | 2026-10-30 | 1 | 31,026 | 13,281 | 2026-10-29 |
| QQQ | Put | -17,740 | 725 | 2026-10-30 | 1 | 24,355 | 6,615 | 2026-10-29 |
| EWZ | Call | -15,903 | 42 | 2026-11-20 | 22 | 186,370 | 170,467 | 2026-10-29 |
| EWZ | Call | -14,400 | 39.5 | 2026-11-20 | 22 | 19,578 | 5,178 | 2026-10-29 |
| NVDA | Call | -13,348 | 225 | 2026-10-30 | 1 | 62,083 | 48,735 | 2026-10-29 |
| NOW | Put | -12,283 | 140 | 2026-10-30 | 1 | 12,974 | 691 | 2026-10-29 |
| EWZ | Put | -12,145 | 35.5 | 2026-10-30 | 1 | 14,965 | 2,820 | 2026-10-29 |
| MSFT | Call | -11,998 | 600 | 2026-12-18 | 50 | 36,266 | 24,268 | 2026-10-29 |
| EWZ | Put | -11,987 | 35 | 2026-12-18 | 50 | 78,377 | 66,390 | 2026-10-29 |
| SLV | Put | -11,792 | 75 | 2027-01-15 | 78 | 16,129 | 4,337 | 2026-10-29 |
| EWZ | Put | -11,724 | 38 | 2026-10-30 | 1 | 70,939 | 59,215 | 2026-10-29 |
| EWZ | Put | -10,904 | 36.5 | 2026-10-30 | 1 | 10,956 | 52 | 2026-10-29 |
| NIO | Put | -10,501 | 5.5 | 2027-01-15 | 78 | 22,724 | 12,223 | 2026-10-29 |
| GOOGL | Put | -10,454 | 350 | 2026-10-30 | 1 | 10,470 | 16 | 2026-10-29 |
| SPX | Call | -10,341 | 7,900 | 2026-10-30 | 1 | 25,238 | 14,897 | 2026-10-29 |

DTE at settle counts calendar days from the settlement date, not from today.

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

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-11-20 | 271 | put | 5,674 | 50,653 | +44,979 |
| SPY | 2026-11-20 | 757 | put | 1,881 | 37,286 | +35,405 |
| SPY | 2026-11-20 | 725 | put | 75,626 | 108,209 | +32,583 |
| QQQ | 2027-01-15 | 650 | put | 19,385 | 50,320 | +30,935 |
| IWM | 2026-11-20 | 277 | put | 8,836 | 35,534 | +26,698 |
| QQQ | 2026-10-30 | 723 | call | 1,627 | 28,029 | +26,402 |
| QQQ | 2026-10-30 | 705 | put | 18,002 | 44,388 | +26,386 |
| IWM | 2026-11-02 | 291 | call | 25 | 26,293 | +26,268 |
| QQQ | 2026-10-30 | 727 | call | 2,891 | 28,900 | +26,009 |
| SPY | 2026-11-20 | 730 | put | 58,867 | 84,381 | +25,514 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-11-20 | 268 | put | 84,202 | 50,934 | -33,268 |
| SPY | 2026-11-20 | 734 | put | 35,390 | 16,347 | -19,043 |
| QQQ | 2026-10-30 | 725 | put | 24,355 | 6,615 | -17,740 |
| IWM | 2026-11-13 | 262 | put | 14,748 | 7,010 | -7,738 |
| QQQ | 2026-11-20 | 700 | put | 58,010 | 50,278 | -7,732 |
| IWM | 2026-12-18 | 300 | call | 63,929 | 56,617 | -7,312 |
| IWM | 2026-10-30 | 284 | call | 28,007 | 20,946 | -7,061 |
| IWM | 2026-10-30 | 283 | call | 21,265 | 14,405 | -6,860 |
| QQQ | 2026-11-20 | 690 | put | 43,733 | 37,143 | -6,590 |
| IWM | 2026-10-30 | 288 | call | 23,855 | 17,435 | -6,420 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| NFLX | 2026-12-18 | 60 | put | 24,259 | 67,446 | +43,187 |
| NFLX | 2026-12-18 | 64 | call | 1,949 | 42,383 | +40,434 |
| NVDA | 2026-11-06 | 225 | call | 10,524 | 26,820 | +16,296 |
| GOOGL | 2026-10-30 | 290 | call | 110 | 15,251 | +15,141 |
| NVDA | 2026-11-02 | 187.5 | put | 119 | 14,865 | +14,746 |
| AMZN | 2026-10-30 | 275 | call | 10,635 | 24,791 | +14,156 |
| ORCL | 2027-12-17 | 100 | put | 35,352 | 48,655 | +13,303 |
| MSFT | 2026-11-20 | 580 | call | 13,984 | 27,155 | +13,171 |
| NVDA | 2026-11-06 | 217.5 | call | 4,565 | 17,731 | +13,166 |
| AMZN | 2026-10-30 | 270 | call | 11,422 | 24,302 | +12,880 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| NVDA | 2026-10-30 | 225 | call | 62,083 | 48,735 | -13,348 |
| NOW | 2026-10-30 | 140 | put | 12,974 | 691 | -12,283 |
| MSFT | 2026-12-18 | 600 | call | 36,266 | 24,268 | -11,998 |
| NIO | 2027-01-15 | 5.5 | put | 22,724 | 12,223 | -10,501 |
| GOOGL | 2026-10-30 | 350 | put | 10,470 | 16 | -10,454 |
| NVDA | 2026-10-30 | 220 | put | 9,548 | 922 | -8,626 |
| AMZN | 2026-10-30 | 287.5 | call | 17,424 | 9,626 | -7,798 |
| AMZN | 2026-11-20 | 270 | call | 46,149 | 38,573 | -7,576 |
| NIO | 2027-01-15 | 3 | call | 34,969 | 27,403 | -7,566 |
| GOOGL | 2026-11-20 | 375 | call | 18,734 | 11,299 | -7,435 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +4,089,722 | -877,298 | +3,212,424 |
| Puts | +4,017,369 | -1,607,396 | +2,409,973 |

## 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 % |
|---|---|---|---|---|---|---|---|
| NFLX | 2026-12-18 | 64 | call | 1,949 | 42,383 | +40,434 | +2,074.6% |
| SPY | 2026-11-20 | 757 | put | 1,881 | 37,286 | +35,405 | +1,882.2% |
| QQQ | 2026-10-30 | 723 | call | 1,627 | 28,029 | +26,402 | +1,622.7% |
| EWZ | 2026-11-20 | 29 | put | 1,520 | 17,352 | +15,832 | +1,041.6% |
| QQQ | 2026-10-30 | 727 | call | 2,891 | 28,900 | +26,009 | +899.7% |
| IWM | 2026-11-20 | 271 | put | 5,674 | 50,653 | +44,979 | +792.7% |
| QQQ | 2026-12-31 | 695 | put | 1,010 | 8,830 | +7,820 | +774.3% |
| NOW | 2026-11-20 | 120 | call | 1,760 | 13,282 | +11,522 | +654.7% |
| NVDA | 2026-11-02 | 185 | put | 1,119 | 8,224 | +7,105 | +634.9% |
| SPCX | 2028-12-15 | 125 | put | 1,647 | 11,597 | +9,950 | +604.1% |
| MRK | 2027-03-19 | 185 | call | 1,690 | 11,623 | +9,933 | +587.8% |
| AAPL | 2026-10-30 | 347.5 | put | 2,195 | 14,735 | +12,540 | +571.3% |
| SPX | 2026-10-30 | 7,945 | call | 1,035 | 6,863 | +5,828 | +563.1% |
| QQQ | 2026-11-13 | 755 | call | 1,275 | 8,074 | +6,799 | +533.3% |
| FXI | 2026-11-06 | 33 | call | 1,738 | 10,900 | +9,162 | +527.2% |
| GLD | 2027-09-17 | 440 | call | 1,915 | 11,998 | +10,083 | +526.5% |
| KO | 2026-11-06 | 90 | put | 1,084 | 6,687 | +5,603 | +516.9% |
| GE | 2026-11-20 | 330 | call | 1,887 | 10,745 | +8,858 | +469.4% |
| HOOD | 2026-11-06 | 93 | call | 1,427 | 8,057 | +6,630 | +464.6% |
| AAPL | 2026-11-04 | 350 | put | 1,216 | 6,659 | +5,443 | +447.6% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| EEM | 2026-10-30 | 65 | put | 1,561 | 0 | -1,561 | -100% |
| NOW | 2026-11-20 | 157.5 | put | 4,293 | 3 | -4,290 | -99.9% |
| SLV | 2026-11-20 | 65 | put | 3,518 | 3 | -3,515 | -99.9% |
| QQQ | 2026-10-30 | 737 | put | 2,539 | 3 | -2,536 | -99.9% |
| GOOGL | 2028-12-15 | 500 | put | 1,605 | 2 | -1,603 | -99.9% |
| EWZ | 2026-11-06 | 39 | put | 1,178 | 1 | -1,177 | -99.9% |
| EWY | 2026-10-30 | 178 | put | 1,098 | 1 | -1,097 | -99.9% |
| GOOGL | 2026-10-30 | 350 | put | 10,470 | 16 | -10,454 | -99.8% |
| SPY | 2026-10-30 | 778 | put | 2,310 | 9 | -2,301 | -99.6% |
| EWZ | 2026-10-30 | 36.5 | put | 10,956 | 52 | -10,904 | -99.5% |
| NVDA | 2026-11-06 | 240 | put | 3,725 | 19 | -3,706 | -99.5% |
| ORCL | 2026-10-30 | 150 | put | 2,141 | 16 | -2,125 | -99.3% |
| HOOD | 2026-10-30 | 102 | put | 2,646 | 24 | -2,622 | -99.1% |
| EWZ | 2026-11-06 | 42 | put | 1,400 | 12 | -1,388 | -99.1% |
| NFLX | 2026-10-30 | 70 | put | 3,155 | 37 | -3,118 | -98.8% |
| HOOD | 2026-10-30 | 103 | put | 1,625 | 19 | -1,606 | -98.8% |
| SPY | 2026-10-30 | 779 | put | 1,060 | 13 | -1,047 | -98.8% |
| GOOGL | 2026-10-30 | 340 | put | 3,131 | 40 | -3,091 | -98.7% |
| SPCX | 2026-10-30 | 157.5 | put | 2,147 | 32 | -2,115 | -98.5% |
| UBER | 2026-10-30 | 69 | put | 2,769 | 43 | -2,726 | -98.4% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| TLT | 83 | call | +77,695 | 24 |
| EWZ | 36 | put | -76,500 | 7 |
| EWZ | 35 | put | -47,405 | 9 |
| QQQ | 650 | put | +46,360 | 31 |
| IWM | 271 | put | +46,179 | 18 |
| NFLX | 60 | put | +45,578 | 17 |
| GOOGL | 300 | call | +41,324 | 24 |
| NFLX | 64 | call | +41,199 | 11 |
| SPY | 757 | put | +41,121 | 12 |
| EWZ | 37 | put | -39,543 | 8 |
| SPY | 725 | put | +34,989 | 26 |
| IWM | 268 | put | -34,363 | 16 |
| GOOGL | 290 | call | +33,838 | 24 |
| QQQ | 705 | put | +31,911 | 27 |
| SPY | 730 | put | +30,084 | 28 |
| GOOGL | 250 | put | +29,900 | 21 |
| IWM | 291 | call | +28,473 | 12 |
| GOOGL | 285 | call | +28,017 | 23 |
| IWM | 277 | put | +26,985 | 17 |
| QQQ | 727 | call | +26,949 | 12 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPY | +616,820 | +238,718 | +378,102 |
| SPX | +551,989 | +206,773 | +345,216 |
| QQQ | +497,961 | +217,666 | +280,295 |
| GOOGL | +434,391 | +344,701 | +89,690 |
| AMZN | +361,770 | +215,021 | +146,749 |
| IWM | +287,406 | +46,128 | +241,278 |
| NVDA | +185,777 | +106,195 | +79,582 |
| AAPL | +168,850 | +65,342 | +103,508 |
| INTC | +160,939 | +106,577 | +54,362 |
| TLT | +141,436 | +124,735 | +16,701 |

Largest net decreases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| EWZ | -224,895 | +2,307 | -227,202 |
| NIO | -15,639 | -3,215 | -12,424 |
| MCD | -5,429 | -4,733 | -696 |
| CMG | -3,398 | -6,314 | +2,916 |
| MS | -1,603 | -2,757 | +1,154 |
| FXI | -454 | +3,701 | -4,155 |
| WU | -324 | -368 | +44 |
| HAL | -167 | -933 | +766 |
| FITB | -60 | -85 | +25 |
| XLRE | -10 | -29 | +19 |

## Archive

- https://squawkflow.com/oi-changes/2026-10-29.md (2026-10-29 vs 2026-10-28, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-28.md (2026-10-28 vs 2026-10-27, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-27.md (2026-10-27 vs 2026-10-26, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-26.md (2026-10-26 vs 2026-10-23, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-23.md (2026-10-23 vs 2026-10-22, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-22.md (2026-10-22 vs 2026-10-21, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-21.md (2026-10-21 vs 2026-10-20, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-20.md (2026-10-20 vs 2026-10-19, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-19.md (2026-10-19 vs 2026-10-16, 212 symbols)
- https://squawkflow.com/oi-changes/2026-10-16.md (2026-10-16 vs 2026-10-15, 212 symbols)

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

Canonical: https://squawkflow.com/oi-changes/2026-10-29