# Biggest options open interest changes

OI settled 2026-10-28 vs 2026-10-27.

Computed from the Oct 28 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: 100,728 contracts changed open interest, +7,262,662 added, -2,352,727 removed, net +4,909,935 contracts.

## Largest open interest increases (contracts)

| Ticker | Call/Put | Change | Strike | Expiry | DTE at settle | Prior OI | Current OI | Settled |
|---|---|---|---|---|---|---|---|---|
| GLD | Call | +105,948 | 425 | 2026-12-18 | 51 | 13,056 | 119,004 | 2026-10-28 |
| GLD | Call | +104,626 | 400 | 2026-12-18 | 51 | 21,189 | 125,815 | 2026-10-28 |
| TLT | Put | +64,968 | 75 | 2026-12-31 | 64 | 4,427 | 69,395 | 2026-10-28 |
| TLT | Put | +49,898 | 79 | 2026-12-31 | 64 | 2,004 | 51,902 | 2026-10-28 |
| IWM | Put | +43,557 | 268 | 2026-11-20 | 23 | 40,645 | 84,202 | 2026-10-28 |
| FXI | Put | +41,472 | 33 | 2027-05-21 | 205 | 4,000 | 45,472 | 2026-10-28 |
| FXI | Call | +41,461 | 37 | 2027-05-21 | 205 | 4,106 | 45,567 | 2026-10-28 |
| SPX | Put | +40,449 | 400 | 2027-05-21 | 205 | 6 | 40,455 | 2026-10-28 |
| WMB | Call | +38,228 | 75 | 2026-11-06 | 9 | 144 | 38,372 | 2026-10-28 |
| SPX | Put | +38,000 | 800 | 2027-03-19 | 142 | 2,105 | 40,105 | 2026-10-28 |
| WMB | Call | +37,667 | 80 | 2026-11-06 | 9 | 134 | 37,801 | 2026-10-28 |
| NVDA | Put | +37,519 | 105 | 2027-03-19 | 142 | 777 | 38,296 | 2026-10-28 |
| QQQ | Call | +28,865 | 800 | 2026-12-18 | 51 | 45,629 | 74,494 | 2026-10-28 |
| SPX | Put | +28,500 | 600 | 2027-04-16 | 170 | 3,511 | 32,011 | 2026-10-28 |
| XLP | Put | +28,496 | 82 | 2026-11-20 | 23 | 12,488 | 40,984 | 2026-10-28 |
| XLP | Put | +27,946 | 81 | 2026-12-18 | 51 | 11,221 | 39,167 | 2026-10-28 |
| FXI | Call | +24,202 | 33 | 2026-12-18 | 51 | 7,105 | 31,307 | 2026-10-28 |
| IWM | Put | +23,945 | 240 | 2026-12-18 | 51 | 76,817 | 100,762 | 2026-10-28 |
| TLT | Put | +21,810 | 80 | 2026-10-30 | 2 | 28,681 | 50,491 | 2026-10-28 |
| SPY | Put | +21,807 | 734 | 2026-11-20 | 23 | 13,583 | 35,390 | 2026-10-28 |

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 |
|---|---|---|---|---|---|---|---|---|
| GLD | Call | -86,136 | 485 | 2027-01-15 | 79 | 141,047 | 54,911 | 2026-10-28 |
| GLD | Call | -74,807 | 450 | 2027-01-15 | 79 | 150,608 | 75,801 | 2026-10-28 |
| EWZ | Put | -38,099 | 43 | 2026-11-20 | 23 | 49,549 | 11,450 | 2026-10-28 |
| EWZ | Call | -34,976 | 43 | 2026-11-20 | 23 | 854,111 | 819,135 | 2026-10-28 |
| EWZ | Call | -33,000 | 54 | 2026-11-20 | 23 | 33,165 | 165 | 2026-10-28 |
| IWM | Put | -32,155 | 266 | 2026-11-20 | 23 | 58,092 | 25,937 | 2026-10-28 |
| EWZ | Call | -28,711 | 42 | 2026-11-20 | 23 | 215,081 | 186,370 | 2026-10-28 |
| XLF | Call | -26,000 | 60 | 2028-12-15 | 779 | 44,153 | 18,153 | 2026-10-28 |
| EWZ | Put | -24,617 | 38 | 2026-10-30 | 2 | 95,556 | 70,939 | 2026-10-28 |
| EWZ | Put | -22,861 | 35 | 2026-11-20 | 23 | 102,108 | 79,247 | 2026-10-28 |
| FXI | Call | -20,601 | 35 | 2026-12-18 | 51 | 90,208 | 69,607 | 2026-10-28 |
| WMB | Call | -20,369 | 85 | 2026-11-20 | 23 | 39,217 | 18,848 | 2026-10-28 |
| WMB | Call | -19,533 | 75 | 2026-11-20 | 23 | 42,038 | 22,505 | 2026-10-28 |
| EWZ | Call | -19,202 | 40 | 2026-11-20 | 23 | 127,186 | 107,984 | 2026-10-28 |
| EWZ | Put | -18,542 | 35 | 2026-10-30 | 2 | 70,424 | 51,882 | 2026-10-28 |
| EWZ | Call | -18,355 | 46 | 2026-11-20 | 23 | 142,945 | 124,590 | 2026-10-28 |
| KWEB | Call | -17,970 | 24 | 2026-12-18 | 51 | 107,753 | 89,783 | 2026-10-28 |
| EWZ | Put | -17,428 | 34 | 2026-11-20 | 23 | 172,290 | 154,862 | 2026-10-28 |
| DASH | Call | -16,667 | 175 | 2026-12-18 | 51 | 16,863 | 196 | 2026-10-28 |
| EWZ | Call | -15,735 | 47 | 2026-11-20 | 23 | 200,897 | 185,162 | 2026-10-28 |

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 | 268 | put | 40,645 | 84,202 | +43,557 |
| QQQ | 2026-12-18 | 800 | call | 45,629 | 74,494 | +28,865 |
| IWM | 2026-12-18 | 240 | put | 76,817 | 100,762 | +23,945 |
| SPY | 2026-11-20 | 734 | put | 13,583 | 35,390 | +21,807 |
| IWM | 2026-10-30 | 288 | call | 2,649 | 23,855 | +21,206 |
| SPY | 2026-11-04 | 767 | put | 11,544 | 29,783 | +18,239 |
| QQQ | 2026-12-18 | 780 | call | 30,026 | 47,829 | +17,803 |
| IWM | 2026-10-30 | 283 | call | 5,369 | 21,265 | +15,896 |
| SPY | 2026-10-30 | 765 | put | 45,690 | 59,152 | +13,462 |
| IWM | 2026-10-30 | 287 | call | 5,900 | 18,589 | +12,689 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| IWM | 2026-11-20 | 266 | put | 58,092 | 25,937 | -32,155 |
| IWM | 2026-11-20 | 260 | put | 135,240 | 120,711 | -14,529 |
| SPY | 2026-11-20 | 732 | put | 33,429 | 19,401 | -14,028 |
| QQQ | 2027-03-19 | 805 | call | 28,365 | 19,064 | -9,301 |
| IWM | 2026-10-29 | 280 | call | 15,537 | 6,594 | -8,943 |
| IWM | 2026-11-20 | 290 | call | 50,124 | 41,939 | -8,185 |
| SPY | 2026-11-20 | 726 | put | 28,970 | 20,966 | -8,004 |
| QQQ | 2026-10-30 | 690 | put | 72,403 | 65,738 | -6,665 |
| IWM | 2027-01-15 | 265 | put | 28,937 | 22,868 | -6,069 |
| SPY | 2026-10-30 | 748 | put | 12,957 | 6,973 | -5,984 |

## Single stocks

Increases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| WMB | 2026-11-06 | 75 | call | 144 | 38,372 | +38,228 |
| WMB | 2026-11-06 | 80 | call | 134 | 37,801 | +37,667 |
| NVDA | 2027-03-19 | 105 | put | 777 | 38,296 | +37,519 |
| NVDA | 2027-03-19 | 150 | put | 30,633 | 52,179 | +21,546 |
| NVDA | 2027-01-15 | 160 | put | 31,753 | 49,901 | +18,148 |
| NVDA | 2026-10-30 | 140 | put | 8,556 | 24,850 | +16,294 |
| CMG | 2026-10-30 | 30 | call | 3,688 | 19,681 | +15,993 |
| UBER | 2026-12-18 | 55 | put | 12,468 | 28,138 | +15,670 |
| SNAP | 2027-04-16 | 8 | call | 5,280 | 19,578 | +14,298 |
| MSTR | 2026-10-30 | 157.5 | call | 10,400 | 24,614 | +14,214 |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change |
|---|---|---|---|---|---|---|
| WMB | 2026-11-20 | 85 | call | 39,217 | 18,848 | -20,369 |
| WMB | 2026-11-20 | 75 | call | 42,038 | 22,505 | -19,533 |
| DASH | 2026-12-18 | 175 | call | 16,863 | 196 | -16,667 |
| SCHW | 2026-10-30 | 88 | put | 19,656 | 7,240 | -12,416 |
| NU | 2026-10-30 | 14 | put | 19,823 | 8,099 | -11,724 |
| NU | 2026-11-20 | 16 | put | 11,213 | 243 | -10,970 |
| NIO | 2027-12-17 | 10 | call | 29,696 | 19,686 | -10,010 |
| GILD | 2026-11-20 | 140 | put | 13,319 | 4,739 | -8,580 |
| ORCL | 2026-10-30 | 135 | call | 40,109 | 32,079 | -8,030 |
| KO | 2026-10-30 | 96 | call | 8,356 | 2,134 | -6,222 |

## Calls vs puts

| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | +3,678,195 | -1,291,505 | +2,386,690 |
| Puts | +3,584,467 | -1,061,222 | +2,523,245 |

## 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 % |
|---|---|---|---|---|---|---|---|
| TLT | 2026-12-31 | 79 | put | 2,004 | 51,902 | +49,898 | +2,489.9% |
| SPX | 2027-03-19 | 800 | put | 2,105 | 40,105 | +38,000 | +1,805.2% |
| TLT | 2026-12-31 | 75 | put | 4,427 | 69,395 | +64,968 | +1,467.5% |
| XLF | 2027-09-17 | 53 | put | 1,084 | 13,834 | +12,750 | +1,176.2% |
| FXI | 2027-05-21 | 33 | put | 4,000 | 45,472 | +41,472 | +1,036.8% |
| FXI | 2027-05-21 | 37 | call | 4,106 | 45,567 | +41,461 | +1,009.8% |
| IWM | 2026-11-06 | 272.5 | put | 1,094 | 10,347 | +9,253 | +845.8% |
| SPX | 2027-04-16 | 600 | put | 3,511 | 32,011 | +28,500 | +811.7% |
| GLD | 2026-12-18 | 425 | call | 13,056 | 119,004 | +105,948 | +811.5% |
| IWM | 2026-10-30 | 288 | call | 2,649 | 23,855 | +21,206 | +800.5% |
| XLE | 2026-10-30 | 67 | put | 1,156 | 8,612 | +7,456 | +645% |
| IWM | 2026-10-30 | 289 | call | 1,230 | 8,954 | +7,724 | +628% |
| SPX | 2026-10-29 | 7,860 | call | 1,543 | 9,337 | +7,794 | +505.1% |
| XLV | 2027-01-15 | 170 | put | 1,845 | 11,006 | +9,161 | +496.5% |
| GLD | 2026-12-18 | 400 | call | 21,189 | 125,815 | +104,626 | +493.8% |
| COIN | 2026-10-30 | 90 | put | 1,644 | 9,630 | +7,986 | +485.8% |
| EWZ | 2026-11-06 | 35 | call | 1,098 | 6,290 | +5,192 | +472.9% |
| QQQ | 2026-10-29 | 733 | call | 1,054 | 5,790 | +4,736 | +449.3% |
| MSFT | 2026-10-30 | 440 | put | 2,757 | 14,998 | +12,241 | +444% |
| CMG | 2026-10-30 | 30 | call | 3,688 | 19,681 | +15,993 | +433.6% |

Decreases:

| Symbol | Expiry | Strike | Type | Prior OI | Current OI | Change | Change % |
|---|---|---|---|---|---|---|---|
| EWZ | 2026-10-30 | 40.5 | put | 2,912 | 1 | -2,911 | -100% |
| HOOD | 2026-10-30 | 110 | put | 1,228 | 3 | -1,225 | -99.8% |
| NU | 2026-12-18 | 17 | put | 1,700 | 6 | -1,694 | -99.6% |
| EWZ | 2026-11-20 | 54 | call | 33,165 | 165 | -33,000 | -99.5% |
| NU | 2026-10-30 | 14.5 | put | 3,863 | 21 | -3,842 | -99.5% |
| SLV | 2026-11-20 | 70 | put | 1,112 | 6 | -1,106 | -99.5% |
| DASH | 2026-12-18 | 175 | call | 16,863 | 196 | -16,667 | -98.8% |
| NU | 2026-11-20 | 16 | put | 11,213 | 243 | -10,970 | -97.8% |
| SPCX | 2026-10-30 | 170 | put | 1,201 | 26 | -1,175 | -97.8% |
| SOFI | 2026-12-18 | 25 | put | 1,688 | 41 | -1,647 | -97.6% |
| EWZ | 2026-10-30 | 39.5 | put | 1,923 | 75 | -1,848 | -96.1% |
| AAPL | 2026-10-30 | 357.5 | put | 1,973 | 127 | -1,846 | -93.6% |
| SLV | 2026-10-30 | 55 | put | 1,266 | 127 | -1,139 | -90% |
| NVDA | 2027-05-21 | 350 | call | 3,535 | 366 | -3,169 | -89.6% |
| NVDA | 2027-05-21 | 300 | call | 3,591 | 480 | -3,111 | -86.6% |
| HD | 2026-10-30 | 327.5 | call | 1,522 | 286 | -1,236 | -81.2% |
| NOW | 2026-11-20 | 152.5 | put | 4,822 | 917 | -3,905 | -81% |
| EWZ | 2026-11-06 | 41 | put | 2,612 | 579 | -2,033 | -77.8% |
| EWZ | 2026-11-20 | 43 | put | 49,549 | 11,450 | -38,099 | -76.9% |
| EWZ | 2026-10-30 | 41.5 | put | 4,672 | 1,079 | -3,593 | -76.9% |

## Top strikes, summed across expirations

| Symbol | Strike | Type | Change | Expirations summed |
|---|---|---|---|---|
| GLD | 425 | call | +107,909 | 13 |
| GLD | 400 | call | +107,024 | 24 |
| GLD | 485 | call | -86,150 | 6 |
| GLD | 450 | call | -78,769 | 16 |
| TLT | 75 | put | +65,325 | 23 |
| XLF | 54 | put | +51,026 | 15 |
| TLT | 79 | put | +44,339 | 20 |
| IWM | 268 | put | +43,601 | 14 |
| EWZ | 35 | put | -42,295 | 16 |
| FXI | 33 | put | +42,009 | 7 |
| FXI | 37 | call | +41,460 | 2 |
| SPX | 400 | put | +40,448 | 2 |
| EWZ | 43 | put | -38,802 | 8 |
| SPX | 800 | put | +38,061 | 4 |
| NVDA | 105 | put | +37,550 | 7 |
| WMB | 80 | call | +36,195 | 8 |
| EWZ | 54 | call | -35,973 | 6 |
| EWZ | 38 | call | -35,106 | 15 |
| EWZ | 43 | call | -34,542 | 13 |
| QQQ | 800 | call | +32,406 | 23 |

## Symbols by net change

Largest net increases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| SPX | +652,115 | +230,419 | +421,696 |
| SPY | +381,641 | +153,932 | +227,709 |
| QQQ | +352,031 | +170,995 | +181,036 |
| NVDA | +289,175 | +95,960 | +193,215 |
| GOOGL | +213,860 | +146,216 | +67,644 |
| MSFT | +188,440 | +94,442 | +93,998 |
| TLT | +178,743 | +31,375 | +147,368 |
| IWM | +169,606 | +65,412 | +104,194 |
| GLD | +152,193 | +118,840 | +33,353 |
| ORCL | +142,314 | +79,863 | +62,451 |

Largest net decreases:

| Symbol | Net change | Calls | Puts |
|---|---|---|---|
| EWZ | -218,038 | -90,237 | -127,801 |
| KWEB | -10,175 | -14,537 | +4,362 |
| NIO | -6,829 | -10,601 | +3,772 |
| KO | -4,643 | -9,283 | +4,640 |
| SCHW | -3,999 | +3,962 | -7,961 |
| DASH | -3,674 | -4,007 | +333 |
| GILD | -2,590 | +186 | -2,776 |
| PYPL | -2,086 | -4,902 | +2,816 |
| ROK | -213 | -50 | -163 |
| GPN | -14 | +28 | -42 |

## 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/2026-10-28