Latest OI changes Previous session: 2026-10-19 Next session: 2026-10-21 Biggest options open interest changes OI settled 2026-10-20 vs 2026-10-19
Computed from the Oct 20 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. 7 of those compared reported an identical book in both sessions.
Across the compared symbols, 102,533 contracts changed open interest: +8,766,141 added, -1,213,401 removed, net +7,552,740 contracts.
Largest open interest increases (contracts) TickerEvery ticker EWZ SPX TLT 20 of 20 contracts
DTE at settle counts calendar days from the settlement date, not from today.
Largest open interest decreases (contracts) TickerEvery ticker AMZN EWZ IWM MMM MSFT PFE SPY XLE 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 QQQ 2026-12-18 620 put 34,040 61,012 +26,972 max pain IWM 2026-11-20 261 put 25,921 52,091 +26,170 max pain QQQ 2026-12-18 670 put 19,467 45,043 +25,576 max pain IWM 2026-11-20 262 put 45,262 67,361 +22,099 max pain QQQ 2026-10-22 540 put 105 20,437 +20,332 max pain SPY 2026-10-26 766 put 609 20,117 +19,508 max pain IWM 2026-10-30 269 put 10,169 28,028 +17,859 max pain IWM 2026-10-30 258 put 12,049 29,744 +17,695 max pain QQQ 2026-10-22 736 call 314 17,263 +16,949 max pain SPY 2026-11-20 732 put 8,996 24,590 +15,594 max pain
Index ETFs: decreases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-11-20 580 put 19,451 4,452 -14,999 max pain SPY 2026-11-20 680 put 52,444 37,513 -14,931 max pain IWM 2026-11-20 258 put 62,383 53,905 -8,478 max pain SPY 2026-10-23 761 put 12,624 6,632 -5,992 max pain SPY 2026-11-20 726 put 19,501 13,640 -5,861 max pain IWM 2026-10-21 275 call 10,614 4,803 -5,811 max pain SPY 2026-11-20 730 put 60,031 55,273 -4,758 max pain SPY 2026-10-30 750 put 67,636 63,376 -4,260 max pain QQQ 2026-10-23 720 put 18,085 13,981 -4,104 max pain IWM 2026-10-21 277 call 12,157 8,129 -4,028 max pain
Single stocks: increases Symbol Expiry Strike Type Prior OI Current OI Change WU 2029-01-19 7 call 30,725 60,728 +30,003 max pain SPCX 2026-11-20 125 put 13,104 39,503 +26,399 max pain INTC 2028-06-16 135 call 21 23,609 +23,588 max pain INTC 2028-06-16 80 call 9,186 32,697 +23,511 max pain NFLX 2026-11-13 58 put 20,915 42,601 +21,686 max pain UBER 2026-11-13 59 put 89 20,325 +20,236 max pain EL 2027-04-16 135 call 4 19,115 +19,111 max pain INTC 2026-10-30 110 call 22,084 40,731 +18,647 max pain MS 2026-10-23 195 call 1,048 16,660 +15,612 max pain NFLX 2026-10-23 76 call 4,796 19,454 +14,658 max pain
Single stocks: decreases Symbol Expiry Strike Type Prior OI Current OI Change PFE 2026-11-20 25 put 59,053 43,653 -15,400 max pain MSFT 2026-12-18 675 call 37,655 28,043 -9,612 max pain AMZN 2026-10-30 280 call 47,059 38,440 -8,619 max pain PFE 2026-10-23 29.5 put 14,967 6,469 -8,498 max pain AMZN 2026-10-30 265 call 22,880 14,728 -8,152 max pain MMM 2026-11-20 175 call 11,358 5,403 -5,955 max pain AAPL 2026-10-23 360 put 5,740 41 -5,699 max pain SPCX 2026-10-30 190 call 35,730 30,604 -5,126 max pain UPS 2026-10-23 100 call 6,427 2,721 -3,706 max pain AMZN 2026-11-20 265 call 22,834 19,726 -3,108 max pain
Calls vs puts Type Added Removed Net Calls +4,865,186 -641,985 +4,223,201 Puts +3,900,955 -571,416 +3,329,539
Top call increases Symbol Expiry Strike Type Prior OI Current OI Change EWZ 2026-11-20 48 call 78,740 171,222 +92,482 max pain EWZ 2027-01-15 45 call 85,284 169,418 +84,134 max pain EWZ 2026-12-18 51 call 71,406 154,964 +83,558 max pain EWZ 2027-01-15 50 call 187,450 263,657 +76,207 max pain EWZ 2026-12-18 54 call 653 62,580 +61,927 max pain
Top put increases Symbol Expiry Strike Type Prior OI Current OI Change EWZ 2026-10-30 36 put 167,393 229,511 +62,118 max pain SPX 2026-12-04 6,350 put 57 59,494 +59,437 max pain SPX 2026-12-04 6,250 put 28 57,804 +57,776 max pain EWZ 2026-10-30 34 put 260,688 317,574 +56,886 max pain QQQ 2026-12-18 620 put 34,040 61,012 +26,972 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 % MS 2026-10-23 195 call 1,048 16,660 +15,612 +1,489.7% max pain EWZ 2026-10-30 38.5 put 1,079 12,398 +11,319 +1,049% max pain SPY 2026-10-30 610 put 1,638 16,479 +14,841 +906% max pain BMY 2026-10-30 57 put 1,185 10,424 +9,239 +779.7% max pain SPX 2026-10-27 7,850 call 1,630 11,791 +10,161 +623.4% max pain GOOGL 2026-10-21 350 call 1,387 9,761 +8,374 +603.7% max pain SPY 2026-11-20 360 put 2,306 16,018 +13,712 +594.6% max pain XLE 2026-10-23 66 put 2,984 20,710 +17,726 +594% max pain AAPL 2026-10-21 342.5 call 1,569 9,953 +8,384 +534.4% max pain EWZ 2027-07-16 42 call 1,503 9,465 +7,962 +529.7% max pain TLT 2028-01-21 73 put 2,408 14,501 +12,093 +502.2% max pain GE 2026-11-20 350 call 1,849 10,700 +8,851 +478.7% max pain SPCX 2026-10-21 120 put 2,620 15,154 +12,534 +478.4% max pain XLP 2027-01-15 87 put 1,080 6,106 +5,026 +465.4% IWM 2028-01-21 210 put 1,291 7,291 +6,000 +464.8% max pain EWZ 2026-11-20 51 call 4,292 24,198 +19,906 +463.8% max pain SPX 2026-11-20 7,910 call 1,028 5,676 +4,648 +452.1% max pain IWM 2026-10-23 273 put 1,804 9,868 +8,064 +447% max pain SPX 2026-10-27 7,800 call 1,309 6,844 +5,535 +422.8% max pain QQQ 2026-11-20 555 put 1,171 5,977 +4,806 +410.4% max pain
Decreases Symbol Expiry Strike Type Prior OI Current OI Change Change % AAPL 2026-10-23 360 put 5,740 41 -5,699 -99.3% max pain FISV 2027-01-15 70 put 1,044 44 -1,000 -95.8% max pain GLD 2026-11-20 425 put 3,896 339 -3,557 -91.3% max pain EWZ 2027-06-17 44 call 5,117 609 -4,508 -88.1% max pain NFLX 2028-01-21 114 put 1,032 124 -908 -88% max pain SPY 2026-11-20 580 put 19,451 4,452 -14,999 -77.1% max pain CMG 2027-01-15 42.5 put 1,376 392 -984 -71.5% max pain MSFT 2026-10-30 640 call 1,818 544 -1,274 -70.1% max pain GLD 2027-01-15 450 put 3,854 1,199 -2,655 -68.9% max pain UNH 2026-11-13 325 put 1,754 553 -1,201 -68.5% max pain AMZN 2026-11-27 290 call 2,139 736 -1,403 -65.6% max pain GLD 2026-10-28 370 call 1,406 483 -923 -65.6% max pain NET 2026-11-20 370 call 2,199 824 -1,375 -62.5% max pain XLE 2026-10-21 66 put 14,062 5,374 -8,688 -61.8% max pain EWZ 2026-10-30 46.5 call 21,082 8,689 -12,393 -58.8% max pain UPS 2026-10-23 100 call 6,427 2,721 -3,706 -57.7% max pain PFE 2026-10-23 29.5 put 14,967 6,469 -8,498 -56.8% max pain QQQ 2026-10-30 647 put 5,708 2,474 -3,234 -56.7% max pain IWM 2026-10-21 275 call 10,614 4,803 -5,811 -54.7% max pain HAL 2026-10-23 35.5 call 1,632 753 -879 -53.9% max pain
Top strikes, summed across expirations Symbol Strike Type Change Expirations summed EWZ 50 call +144,198 11 EWZ 45 call +139,148 12 EWZ 48 call +127,387 10 EWZ 54 call +107,743 4 EWZ 51 call +103,503 7 TLT 84 call +89,940 24 TLT 83 call +89,753 26 EWZ 34 put +64,420 13 EWZ 46 call +63,281 10 EWZ 36 put +62,691 10 SPX 6,350 put +59,034 15 SPX 6,250 put +58,101 14 EWZ 44 call +54,802 13 EWZ 55 call +53,868 6 EWZ 47 call +53,195 11 EWZ 53 call +52,409 6 EWZ 60 call +36,672 5 SPCX 125 put +32,626 22 QQQ 620 put +32,002 22 SPY 600 put +31,540 23
Symbols by net change Largest net increases Symbol Kind Net change Calls Puts EWZ ETF +1,155,842 +924,513 +231,329 SPX Index +726,097 +240,470 +485,627 QQQ Index ETF +586,814 +204,467 +382,347 SPY Index ETF +501,122 +211,765 +289,357 NFLX Stock +371,979 +192,154 +179,825 IWM Index ETF +330,958 +147,427 +183,531 SPCX Stock +323,280 +145,245 +178,035 NVDA Stock +281,610 +161,814 +119,796 TLT ETF +245,667 +211,210 +34,457 INTC Stock +168,051 +123,308 +44,743
Largest net decreases Symbol Kind Net change Calls Puts GD Stock -672 +140 -812 MQ Stock -99 +31 -130
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