Latest OI changes Previous session: 2026-10-20 Next session: 2026-10-22 Biggest options open interest changes OI settled 2026-10-21 vs 2026-10-20
Computed from the Oct 21 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. 9 of those compared reported an identical book in both sessions.
Across the compared symbols, 104,061 contracts changed open interest: +7,841,006 added, -1,837,442 removed, net +6,003,564 contracts.
Largest open interest increases (contracts) TickerEvery ticker CMG DVN EWZ IWM QQQ SPX SPY UBER XLF 20 of 20 contracts
DTE at settle counts calendar days from the settlement date, not from today.
Largest open interest decreases (contracts) TickerEvery ticker EWZ GOOGL IWM MSFT NFLX NU ORCL QQQ SPCX SPY 20 of 20 contracts
DTE at settle counts calendar days from the settlement date, not from today.
Index ETFs vs single stocks Index ETFs (SPY, QQQ, IWM, DIA): increases Symbol Expiry Strike Type Prior OI Current OI Change IWM 2026-11-20 263 put 44,064 84,475 +40,411 max pain SPY 2026-10-27 767 put 525 37,241 +36,716 max pain SPY 2026-11-20 800 call 53,958 81,279 +27,321 max pain IWM 2026-11-20 270 put 141,536 168,381 +26,845 max pain QQQ 2026-10-22 731 call 728 24,354 +23,626 max pain QQQ 2026-10-30 696 put 1,638 24,347 +22,709 max pain SPY 2026-12-18 810 call 79,997 100,675 +20,678 max pain SPY 2026-11-20 400 put 77,947 97,843 +19,896 max pain IWM 2026-10-23 283 call 4,709 21,529 +16,820 max pain SPY 2026-11-20 736 put 26,656 42,953 +16,297 max pain
Index ETFs: decreases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-10-30 760 put 130,435 75,291 -55,144 max pain SPY 2026-10-30 745 put 129,222 81,276 -47,946 max pain IWM 2026-10-30 272 put 40,469 21,784 -18,685 max pain SPY 2026-11-20 732 put 24,590 11,668 -12,922 max pain IWM 2026-10-30 269 put 28,028 16,220 -11,808 max pain IWM 2026-11-20 262 put 67,361 56,826 -10,535 max pain QQQ 2026-10-30 690 put 66,947 56,642 -10,305 max pain QQQ 2026-10-30 640 put 24,768 14,499 -10,269 max pain IWM 2026-10-30 258 put 29,744 20,726 -9,018 max pain IWM 2026-10-22 282 call 13,173 4,652 -8,521 max pain
Single stocks: increases Symbol Expiry Strike Type Prior OI Current OI Change CMG 2026-11-06 24 put 9 28,775 +28,766 max pain DVN 2026-12-18 55 call 6,723 33,598 +26,875 max pain UBER 2028-01-21 115 call 1,120 24,955 +23,835 max pain GOOGL 2026-10-30 352.5 call 495 22,684 +22,189 max pain UBER 2026-11-13 58 put 220 22,015 +21,795 max pain GOOGL 2026-10-30 387.5 call 4 20,105 +20,101 max pain CMG 2026-12-18 25 put 51,852 70,352 +18,500 max pain SPCX 2026-10-23 155 put 4,913 22,501 +17,588 max pain AMZN 2026-10-30 292.5 call 93 17,589 +17,496 max pain AAPL 2026-12-18 315 put 5,828 23,243 +17,415 max pain
Single stocks: decreases Symbol Expiry Strike Type Prior OI Current OI Change SPCX 2026-11-20 125 put 39,503 17,370 -22,133 max pain NFLX 2027-01-15 90 put 17,919 2,971 -14,948 max pain GOOGL 2026-11-20 415 call 28,162 13,698 -14,464 max pain ORCL 2026-10-30 145 call 34,360 20,331 -14,029 max pain GOOGL 2026-11-20 367.5 call 27,093 13,186 -13,907 max pain NU 2026-11-20 14 call 117,331 105,262 -12,069 max pain MSFT 2026-10-30 600 call 18,612 7,674 -10,938 max pain MSFT 2026-10-30 575 call 15,862 5,442 -10,420 max pain AAPL 2026-11-20 300 put 29,427 20,193 -9,234 max pain CMG 2026-12-18 40 put 6,722 83 -6,639 max pain
Calls vs puts Type Added Removed Net Calls +4,027,733 -905,026 +3,122,707 Puts +3,813,273 -932,416 +2,880,857
Top call increases Symbol Expiry Strike Type Prior OI Current OI Change EWZ 2026-11-20 48 call 171,222 224,264 +53,042 max pain EWZ 2026-11-06 48 call 295 41,895 +41,600 max pain EWZ 2026-11-20 51 call 24,198 64,368 +40,170 max pain EWZ 2027-03-19 43 call 24,233 64,240 +40,007 max pain EWZ 2026-11-13 48 call 129 36,476 +36,347 max pain
Top put increases Symbol Expiry Strike Type Prior OI Current OI Change IWM 2026-11-20 263 put 44,064 84,475 +40,411 max pain SPY 2026-10-27 767 put 525 37,241 +36,716 max pain XLF 2027-01-15 47 put 27,867 57,454 +29,587 max pain CMG 2026-11-06 24 put 9 28,775 +28,766 max pain IWM 2026-11-20 270 put 141,536 168,381 +26,845 max pain
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 % UBER 2028-01-21 115 call 1,120 24,955 +23,835 +2,128.1% max pain QQQ 2026-10-30 696 put 1,638 24,347 +22,709 +1,386.4% max pain SPY 2026-10-22 776 call 1,600 17,145 +15,545 +971.6% max pain SPX 2026-10-22 7,450 put 1,054 11,108 +10,054 +953.9% max pain NKE 2026-10-23 37 put 1,158 9,717 +8,559 +739.1% max pain QQQ 2026-10-22 670 put 1,497 11,999 +10,502 +701.5% max pain SPY 2026-12-31 735 put 1,428 11,092 +9,664 +676.8% max pain ORCL 2027-12-17 140 call 1,038 8,038 +7,000 +674.4% max pain SPY 2026-12-31 695 put 1,593 11,643 +10,050 +630.9% max pain INTC 2026-10-30 96 call 1,183 7,921 +6,738 +569.6% max pain SPY 2026-11-13 795 call 1,961 12,172 +10,211 +520.7% max pain QQQ 2026-10-22 725 call 1,146 6,725 +5,579 +486.8% max pain SPY 2026-10-22 764 put 1,062 6,143 +5,081 +478.4% max pain RTX 2026-11-20 175 put 1,078 6,223 +5,145 +477.3% max pain SPX 2026-11-20 3,200 put 1,360 7,637 +6,277 +461.5% max pain SPX 2027-04-16 7,350 put 1,524 8,245 +6,721 +441% max pain SPY 2026-10-22 771 call 1,363 6,969 +5,606 +411.3% max pain INTC 2026-10-30 99 call 1,551 7,881 +6,330 +408.1% max pain NFLX 2026-10-23 67 call 1,727 8,638 +6,911 +400.2% max pain DVN 2026-12-18 55 call 6,723 33,598 +26,875 +399.7% max pain
Decreases Symbol Expiry Strike Type Prior OI Current OI Change Change % CMG 2026-12-18 40 put 6,722 83 -6,639 -98.8% max pain UNH 2026-11-06 325 put 1,646 39 -1,607 -97.6% max pain NFLX 2028-01-21 112 put 1,267 46 -1,221 -96.4% max pain NFLX 2027-01-15 98 put 6,375 259 -6,116 -95.9% max pain NFLX 2027-01-15 92 put 4,239 185 -4,054 -95.6% max pain NFLX 2026-11-20 90 put 3,276 159 -3,117 -95.1% max pain NFLX 2027-03-19 100 put 3,331 193 -3,138 -94.2% max pain NBIS 2026-10-23 225 put 2,108 166 -1,942 -92.1% max pain NFLX 2028-01-21 110 put 1,167 98 -1,069 -91.6% max pain NFLX 2027-01-15 94 put 1,608 140 -1,468 -91.3% max pain NFLX 2027-01-15 93 put 1,048 104 -944 -90.1% max pain NBIS 2026-10-23 220 put 1,147 155 -992 -86.5% max pain NFLX 2027-01-15 90 put 17,919 2,971 -14,948 -83.4% max pain SOFI 2026-10-23 17 put 1,952 364 -1,588 -81.4% max pain NFLX 2026-12-18 89 put 2,171 432 -1,739 -80.1% max pain NFLX 2027-01-15 95 put 6,470 1,348 -5,122 -79.2% max pain MRNA 2026-12-18 140 call 1,217 334 -883 -72.6% max pain EWZ 2026-11-13 50 call 36,342 10,262 -26,080 -71.8% max pain EWZ 2026-11-06 50 call 42,522 12,631 -29,891 -70.3% max pain SPX 2026-10-27 7,850 call 11,791 3,542 -8,249 -70% max pain
Top strikes, summed across expirations Symbol Strike Type Change Expirations summed EWZ 48 call +162,602 8 EWZ 46 call +51,646 9 SPY 745 put -45,119 25 EWZ 44 call +44,136 7 SPY 760 put -43,496 29 SPY 767 put +42,545 16 EWZ 51 call +42,157 3 IWM 263 put +40,041 15 EWZ 43 call +38,602 10 IWM 270 put +37,834 27 SPX 7,900 call +34,885 42 SPY 800 call +32,190 27 EWZ 47 call +31,228 9 EWZ 50 call -30,455 9 SPCX 155 put +29,592 23 XLF 47 put +29,587 5 CMG 24 put +28,855 5 EWZ 30 put +27,501 9 SPX 8,000 call +27,486 47 DVN 55 call +27,067 10
Symbols by net change Largest net increases Symbol Kind Net change Calls Puts SPX Index +758,591 +288,368 +470,223 EWZ ETF +522,021 +393,213 +128,808 SPY Index ETF +502,315 +258,626 +243,689 QQQ Index ETF +451,267 +173,829 +277,438 SPCX Stock +268,368 +144,463 +123,905 NVDA Stock +206,863 +98,674 +108,189 IWM Index ETF +197,844 +63,549 +134,295 TSLA Stock +186,216 +83,030 +103,186 META Stock +160,624 +87,286 +73,338 AAPL Stock +114,410 +63,149 +51,261
Largest net decreases Symbol Kind Net change Calls Puts MQ Stock -142 -147 +5 VRTX Stock -32 +278 -310
Archive 2026-10-29 vs 2026-10-28, 212 symbols compared2026-10-28 vs 2026-10-27, 212 symbols compared2026-10-27 vs 2026-10-26, 212 symbols compared2026-10-26 vs 2026-10-23, 212 symbols compared2026-10-23 vs 2026-10-22, 212 symbols compared2026-10-22 vs 2026-10-21, 212 symbols compared2026-10-21 vs 2026-10-20, 212 symbols compared2026-10-20 vs 2026-10-19, 212 symbols compared2026-10-19 vs 2026-10-16, 212 symbols compared2026-10-16 vs 2026-10-15, 212 symbols compared