Latest OI changes Previous session: 2026-09-14 Next session: 2026-09-16 Biggest options open interest changes OI settled 2026-09-15 vs 2026-09-14
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.
129 of 212 archived US symbols compared. The other 83 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, 63,789 contracts changed open interest: +5,162,681 added, -942,829 removed, net +4,219,852 contracts.
Largest open interest increases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-09-16 718 put 397 53,308 +52,911 max pain SPY 2026-09-18 606 put 553 49,162 +48,609 max pain XLF 2027-06-17 45 put 6,923 54,347 +47,424 max pain SPY 2026-09-18 607 put 660 45,237 +44,577 max pain SPY 2026-12-18 800 call 23,011 66,703 +43,692 max pain SPY 2026-12-18 830 call 12,121 55,765 +43,644 max pain IWM 2026-10-16 271 put 6,138 42,684 +36,546 max pain IWM 2026-10-16 272 put 446 36,319 +35,873 max pain SPY 2026-09-25 730 put 2,297 35,915 +33,618 max pain SPY 2026-09-25 745 put 26,167 58,544 +32,377 max pain SPY 2026-09-18 745 put 39,259 66,648 +27,389 max pain QQQ 2026-09-18 685 put 37,543 61,768 +24,225 max pain SNAP 2026-09-18 6.5 call 6,017 29,398 +23,381 max pain XLF 2026-09-18 55 put 34,763 56,357 +21,594 max pain GLD 2026-12-18 490 call 7,098 27,624 +20,526 max pain XLF 2027-03-19 55 call 1,377 21,367 +19,990 max pain SPY 2026-09-18 760 put 107,149 127,008 +19,859 max pain SPY 2026-09-18 794 call 4,386 23,397 +19,011 max pain SPY 2026-09-18 793 call 9,475 28,416 +18,941 max pain WMB 2026-10-30 65 put 0 18,750 +18,750 max pain
Largest open interest decreases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-09-18 750 put 134,795 113,782 -21,013 max pain IWM 2026-10-16 274 put 53,615 35,357 -18,258 max pain QQQ 2026-09-18 675 put 41,252 26,583 -14,669 max pain IWM 2026-09-18 300 put 21,312 7,070 -14,242 max pain SPY 2026-10-16 685 put 16,920 4,545 -12,375 max pain SPX 2026-09-18 8,000 put 299,130 287,506 -11,624 max pain SPX 2026-09-18 7,000 put 400,028 390,547 -9,481 max pain ICE 2026-09-18 145 call 9,236 89 -9,147 max pain SPX 2026-09-18 7,000 call 385,484 377,061 -8,423 max pain SPX 2026-09-18 7,500 put 89,004 80,837 -8,167 max pain IWM 2026-10-02 268 put 13,818 5,693 -8,125 max pain IWM 2026-10-02 280 put 15,141 7,100 -8,041 max pain IWM 2026-09-18 285 put 104,244 96,421 -7,823 max pain IWM 2026-09-30 290 put 41,912 34,310 -7,602 max pain SPX 2026-09-18 8,000 call 311,381 304,471 -6,910 max pain TSLA 2027-06-17 990 call 26,591 19,783 -6,808 max pain QQQ 2026-09-18 730 put 9,476 2,838 -6,638 max pain IWM 2026-09-18 298 put 6,976 1,191 -5,785 max pain IWM 2026-09-18 305 put 6,702 1,016 -5,686 max pain QQQ 2026-09-18 610 put 21,559 15,951 -5,608 max pain
Index ETFs vs single stocks Index ETFs (SPY, QQQ, IWM, DIA): increases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-09-16 718 put 397 53,308 +52,911 max pain SPY 2026-09-18 606 put 553 49,162 +48,609 max pain SPY 2026-09-18 607 put 660 45,237 +44,577 max pain SPY 2026-12-18 800 call 23,011 66,703 +43,692 max pain SPY 2026-12-18 830 call 12,121 55,765 +43,644 max pain IWM 2026-10-16 271 put 6,138 42,684 +36,546 max pain IWM 2026-10-16 272 put 446 36,319 +35,873 max pain SPY 2026-09-25 730 put 2,297 35,915 +33,618 max pain SPY 2026-09-25 745 put 26,167 58,544 +32,377 max pain SPY 2026-09-18 745 put 39,259 66,648 +27,389 max pain
Index ETFs: decreases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-09-18 750 put 134,795 113,782 -21,013 max pain IWM 2026-10-16 274 put 53,615 35,357 -18,258 max pain QQQ 2026-09-18 675 put 41,252 26,583 -14,669 max pain IWM 2026-09-18 300 put 21,312 7,070 -14,242 max pain SPY 2026-10-16 685 put 16,920 4,545 -12,375 max pain IWM 2026-10-02 268 put 13,818 5,693 -8,125 max pain IWM 2026-10-02 280 put 15,141 7,100 -8,041 max pain IWM 2026-09-18 285 put 104,244 96,421 -7,823 max pain IWM 2026-09-30 290 put 41,912 34,310 -7,602 max pain QQQ 2026-09-18 730 put 9,476 2,838 -6,638 max pain
Single stocks: increases Symbol Expiry Strike Type Prior OI Current OI Change SNAP 2026-09-18 6.5 call 6,017 29,398 +23,381 max pain WMB 2026-10-30 65 put 0 18,750 +18,750 max pain AAPL 2026-09-16 335 call 8,252 18,277 +10,025 max pain CSCO 2026-12-18 135 call 2,140 12,071 +9,931 max pain CVX 2026-12-18 250 call 2,763 12,544 +9,781 max pain AAPL 2027-01-15 350 call 45,397 54,855 +9,458 max pain AAPL 2026-09-16 255 put 2,166 11,504 +9,338 max pain GILD 2026-11-20 165 call 562 8,712 +8,150 max pain GOOGL 2026-09-18 340 put 9,994 17,122 +7,128 max pain INTC 2026-09-18 104 call 2,211 8,299 +6,088 max pain
Single stocks: decreases Symbol Expiry Strike Type Prior OI Current OI Change ICE 2026-09-18 145 call 9,236 89 -9,147 max pain TSLA 2027-06-17 990 call 26,591 19,783 -6,808 max pain INTC 2026-09-18 115 call 25,771 20,454 -5,317 max pain TSLA 2027-06-17 650 call 32,150 27,077 -5,073 max pain SNAP 2027-01-15 6 call 33,459 29,307 -4,152 max pain GRAB 2026-10-02 3 put 9,700 5,990 -3,710 max pain AAPL 2026-09-21 340 call 8,787 5,226 -3,561 max pain GOOGL 2026-11-20 370 call 38,014 34,552 -3,462 max pain GILD 2026-09-18 140 call 3,465 82 -3,383 max pain GOOGL 2026-09-18 400 call 61,786 58,619 -3,167 max pain
Calls vs puts Type Added Removed Net Calls +2,392,991 -385,588 +2,007,403 Puts +2,769,690 -557,241 +2,212,449
Top call increases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-12-18 800 call 23,011 66,703 +43,692 max pain SPY 2026-12-18 830 call 12,121 55,765 +43,644 max pain SNAP 2026-09-18 6.5 call 6,017 29,398 +23,381 max pain GLD 2026-12-18 490 call 7,098 27,624 +20,526 max pain XLF 2027-03-19 55 call 1,377 21,367 +19,990 max pain
Top put increases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-09-16 718 put 397 53,308 +52,911 max pain SPY 2026-09-18 606 put 553 49,162 +48,609 max pain XLF 2027-06-17 45 put 6,923 54,347 +47,424 max pain SPY 2026-09-18 607 put 660 45,237 +44,577 max pain IWM 2026-10-16 271 put 6,138 42,684 +36,546 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 % SPY 2026-09-25 730 put 2,297 35,915 +33,618 +1,463.6% max pain XLF 2027-03-19 55 call 1,377 21,367 +19,990 +1,451.7% max pain SPY 2026-09-25 727 put 1,660 16,604 +14,944 +900.2% max pain XLU 2027-01-15 42 call 1,018 8,863 +7,845 +770.6% XLF 2027-06-17 45 put 6,923 54,347 +47,424 +685% max pain XLF 2026-09-30 56 put 2,227 16,962 +14,735 +661.7% max pain QQQ 2026-09-16 724 call 1,178 8,797 +7,619 +646.8% max pain IWM 2026-10-16 271 put 6,138 42,684 +36,546 +595.4% max pain SPY 2026-09-30 809 call 1,134 7,567 +6,433 +567.3% max pain SPX 2026-09-21 7,350 put 1,017 6,696 +5,679 +558.4% max pain SPY 2026-09-18 792 call 1,963 12,525 +10,562 +538.1% max pain QQQ 2026-09-17 680 put 1,030 6,012 +4,982 +483.7% max pain XLF 2026-09-16 57 put 1,107 6,330 +5,223 +471.8% max pain CSCO 2026-12-18 135 call 2,140 12,071 +9,931 +464.1% max pain SPX 2026-11-20 8,450 call 1,347 7,567 +6,220 +461.8% max pain TLT 2026-10-02 82 call 2,458 13,656 +11,198 +455.6% max pain SPX 2026-09-16 6,200 put 1,242 6,900 +5,658 +455.6% max pain SPY 2026-09-16 758 call 1,012 5,511 +4,499 +444.6% max pain SPY 2026-09-18 794 call 4,386 23,397 +19,011 +433.4% max pain AAPL 2026-09-16 255 put 2,166 11,504 +9,338 +431.1% max pain
Decreases Symbol Expiry Strike Type Prior OI Current OI Change Change % IWM 2026-09-16 298 put 1,193 0 -1,193 -100% max pain IWM 2026-12-31 335 put 1,011 0 -1,011 -100% max pain IWM 2026-09-16 299 put 1,293 1 -1,292 -99.9% max pain ROK 2026-09-18 450 put 2,173 13 -2,160 -99.4% max pain ICE 2026-09-18 145 call 9,236 89 -9,147 -99% max pain BKNG 2026-09-18 195 put 1,102 21 -1,081 -98.1% max pain GILD 2026-09-18 140 call 3,465 82 -3,383 -97.6% max pain GILD 2026-09-18 135 call 1,793 64 -1,729 -96.4% max pain SHOP 2026-09-18 155 put 1,126 46 -1,080 -95.9% max pain GILD 2026-09-18 120 call 1,281 78 -1,203 -93.9% max pain SPY 2026-09-16 770 put 1,932 132 -1,800 -93.2% max pain TTWO 2026-09-18 240 put 1,427 185 -1,242 -87% max pain IWM 2026-09-18 299 put 2,474 357 -2,117 -85.6% max pain IWM 2026-09-18 305 put 6,702 1,016 -5,686 -84.8% max pain UNH 2026-09-18 410 put 1,224 186 -1,038 -84.8% max pain IWM 2026-09-18 298 put 6,976 1,191 -5,785 -82.9% max pain IWM 2026-09-18 302 put 4,686 819 -3,867 -82.5% max pain COIN 2026-09-18 230 put 2,376 514 -1,862 -78.4% max pain SPY 2026-10-16 685 put 16,920 4,545 -12,375 -73.1% max pain HOOD 2026-10-09 120 call 3,417 929 -2,488 -72.8% max pain
Top strikes, summed across expirations Symbol Strike Type Change Expirations summed SPY 745 put +64,815 26 SPY 800 call +58,215 29 SPY 718 put +53,629 12 SPY 606 put +48,609 1 XLF 45 put +47,426 3 TLT 81 call +44,995 25 SPY 607 put +44,577 1 SPY 830 call +43,808 19 IWM 272 put +39,790 13 SPY 730 put +39,604 24 IWM 271 put +37,077 12 QQQ 685 put +31,339 24 TLT 90 call +29,167 22 TLT 82 call +29,126 22 XLF 55 put +28,706 16 SPY 735 put +27,323 27 TLT 84 call +26,390 23 IWM 275 put +25,209 24 SNAP 6.5 call +25,170 6 SPX 7,700 call +24,933 35
Symbols by net change Largest net increases Symbol Kind Net change Calls Puts SPY Index ETF +976,608 +397,496 +579,112 SPX Index +556,816 +207,900 +348,916 QQQ Index ETF +504,629 +200,439 +304,190 TLT ETF +269,437 +211,463 +57,974 IWM Index ETF +247,555 +78,538 +169,017 XLF ETF +166,591 +52,181 +114,410 GLD ETF +138,036 +106,587 +31,449 TSLA Stock +136,984 +77,831 +59,153 XLE ETF +116,271 +25,494 +90,777 INTC Stock +101,356 +58,617 +42,739
Largest net decreases Symbol Kind Net change Calls Puts ICE Stock -7,910 -9,143 +1,233 TTWO Stock -2,531 +1,312 -3,843 ROK Stock -1,882 +181 -2,063 DASH Stock -277 +175 -452 BNTX Stock -213 -203 -10 TMO Stock -171 -965 +794 RF Stock -105 +37 -142
Archive 2026-10-08 vs 2026-10-07, 158 symbols compared2026-10-07 vs 2026-10-06, 135 symbols compared2026-10-06 vs 2026-10-05, 136 symbols compared2026-10-05 vs 2026-10-02, 155 symbols compared2026-10-02 vs 2026-10-01, 148 symbols compared2026-10-01 vs 2026-09-30, 156 symbols compared2026-09-30 vs 2026-09-29, 148 symbols compared2026-09-29 vs 2026-09-28, 150 symbols compared2026-09-28 vs 2026-09-25, 150 symbols compared2026-09-25 vs 2026-09-24, 135 symbols compared