Latest OI changes Previous session: 2026-09-16 Next session: 2026-09-18 Biggest options open interest changes OI settled 2026-09-17 vs 2026-09-16
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.
148 of 212 archived US symbols compared. The other 64 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, 78,995 contracts changed open interest: +6,369,681 added, -2,367,492 removed, net +4,002,189 contracts.
Largest open interest increases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change TLT 2026-10-16 83 call 151,602 206,787 +55,185 max pain TLT 2026-10-16 82 call 52,675 90,094 +37,419 max pain SPY 2026-09-21 770 call 3,239 31,504 +28,265 max pain TLT 2026-10-23 83 call 1,143 26,403 +25,260 max pain XLF 2027-12-17 50 put 7,972 32,972 +25,000 max pain NU 2027-01-15 11 put 5,239 30,221 +24,982 max pain XLF 2027-01-15 50 put 65,721 90,528 +24,807 max pain IWM 2026-09-30 277 put 0 24,211 +24,211 max pain NU 2027-01-15 19 call 13,690 37,845 +24,155 max pain IWM 2026-10-16 271 put 44,623 68,770 +24,147 max pain SPY 2026-09-25 772 call 2,403 26,482 +24,079 max pain INTC 2026-09-18 112 call 2,468 24,850 +22,382 max pain XLF 2028-12-15 45 put 13,603 35,103 +21,500 max pain CMG 2026-11-20 27.5 put 0 20,025 +20,025 max pain NVDA 2026-09-25 105 put 1,744 20,669 +18,925 max pain NVDA 2026-09-25 222.5 call 3,754 22,326 +18,572 max pain SPY 2026-09-25 790 call 11,643 29,665 +18,022 max pain QQQ 2026-10-16 705 put 13,301 30,645 +17,344 max pain SPY 2026-10-16 724 put 12,716 29,473 +16,757 max pain SPX 2026-12-18 7,700 put 41,456 58,156 +16,700 max pain
Largest open interest decreases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change XLF 2026-09-18 58 put 78,337 13,541 -64,796 max pain IWM 2026-09-18 290 put 77,423 32,747 -44,676 max pain NU 2026-10-16 12 put 69,129 31,836 -37,293 max pain NU 2026-10-16 18 call 55,459 18,907 -36,552 max pain SPY 2026-09-18 750 call 34,604 266 -34,338 max pain SPY 2026-09-18 730 call 29,777 31 -29,746 max pain XLF 2026-09-18 57 put 74,818 53,972 -20,846 max pain SPY 2026-09-18 755 call 24,095 4,257 -19,838 max pain SPY 2026-09-25 780 call 30,707 10,934 -19,773 max pain IWM 2026-09-18 293 put 19,397 108 -19,289 max pain SPY 2026-09-18 725 call 17,308 15 -17,293 max pain IWM 2026-10-16 270 put 76,112 59,163 -16,949 max pain NVDA 2026-09-25 220 call 41,145 24,299 -16,846 max pain SPY 2026-09-18 745 call 16,368 54 -16,314 max pain QQQ 2026-09-18 700 put 90,849 74,639 -16,210 max pain SPY 2026-09-18 720 call 17,007 1,020 -15,987 max pain SPY 2026-10-16 800 call 36,791 22,107 -14,684 max pain SPY 2026-09-18 715 call 12,853 15 -12,838 max pain SPY 2026-09-18 735 call 12,706 17 -12,689 max pain NVDA 2026-09-18 215 call 44,895 32,398 -12,497 max pain
Index ETFs vs single stocks Index ETFs (SPY, QQQ, IWM, DIA): increases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-09-21 770 call 3,239 31,504 +28,265 max pain IWM 2026-09-30 277 put 0 24,211 +24,211 max pain IWM 2026-10-16 271 put 44,623 68,770 +24,147 max pain SPY 2026-09-25 772 call 2,403 26,482 +24,079 max pain SPY 2026-09-25 790 call 11,643 29,665 +18,022 max pain QQQ 2026-10-16 705 put 13,301 30,645 +17,344 max pain SPY 2026-10-16 724 put 12,716 29,473 +16,757 max pain SPY 2026-09-30 736 put 750 16,120 +15,370 max pain SPY 2026-09-28 780 call 404 15,717 +15,313 max pain SPY 2026-10-09 800 call 3,730 18,507 +14,777 max pain
Index ETFs: decreases Symbol Expiry Strike Type Prior OI Current OI Change IWM 2026-09-18 290 put 77,423 32,747 -44,676 max pain SPY 2026-09-18 750 call 34,604 266 -34,338 max pain SPY 2026-09-18 730 call 29,777 31 -29,746 max pain SPY 2026-09-18 755 call 24,095 4,257 -19,838 max pain SPY 2026-09-25 780 call 30,707 10,934 -19,773 max pain IWM 2026-09-18 293 put 19,397 108 -19,289 max pain SPY 2026-09-18 725 call 17,308 15 -17,293 max pain IWM 2026-10-16 270 put 76,112 59,163 -16,949 max pain SPY 2026-09-18 745 call 16,368 54 -16,314 max pain QQQ 2026-09-18 700 put 90,849 74,639 -16,210 max pain
Single stocks: increases Symbol Expiry Strike Type Prior OI Current OI Change NU 2027-01-15 11 put 5,239 30,221 +24,982 max pain NU 2027-01-15 19 call 13,690 37,845 +24,155 max pain INTC 2026-09-18 112 call 2,468 24,850 +22,382 max pain CMG 2026-11-20 27.5 put 0 20,025 +20,025 max pain NVDA 2026-09-25 105 put 1,744 20,669 +18,925 max pain NVDA 2026-09-25 222.5 call 3,754 22,326 +18,572 max pain HAL 2026-10-16 40 call 1,856 17,234 +15,378 max pain AAPL 2026-09-18 342.5 call 8,851 23,995 +15,144 max pain NVDA 2026-10-16 235 call 37,328 51,173 +13,845 max pain SNAP 2026-10-16 7 call 19,001 32,380 +13,379 max pain
Single stocks: decreases Symbol Expiry Strike Type Prior OI Current OI Change NU 2026-10-16 12 put 69,129 31,836 -37,293 max pain NU 2026-10-16 18 call 55,459 18,907 -36,552 max pain NVDA 2026-09-25 220 call 41,145 24,299 -16,846 max pain NVDA 2026-09-18 215 call 44,895 32,398 -12,497 max pain SOFI 2026-09-18 19 put 16,198 4,049 -12,149 max pain NVDA 2026-09-18 220 call 77,947 67,402 -10,545 max pain GE 2026-12-18 400 call 14,132 3,704 -10,428 max pain INTC 2026-09-18 110 call 62,383 52,041 -10,342 max pain SOFI 2026-09-18 20 put 14,695 4,431 -10,264 max pain PFE 2026-09-18 28.5 call 19,396 9,468 -9,928 max pain
Calls vs puts Type Added Removed Net Calls +3,136,410 -1,193,591 +1,942,819 Puts +3,233,271 -1,173,901 +2,059,370
Top call increases Symbol Expiry Strike Type Prior OI Current OI Change TLT 2026-10-16 83 call 151,602 206,787 +55,185 max pain TLT 2026-10-16 82 call 52,675 90,094 +37,419 max pain SPY 2026-09-21 770 call 3,239 31,504 +28,265 max pain TLT 2026-10-23 83 call 1,143 26,403 +25,260 max pain NU 2027-01-15 19 call 13,690 37,845 +24,155 max pain
Top put increases Symbol Expiry Strike Type Prior OI Current OI Change XLF 2027-12-17 50 put 7,972 32,972 +25,000 max pain NU 2027-01-15 11 put 5,239 30,221 +24,982 max pain XLF 2027-01-15 50 put 65,721 90,528 +24,807 max pain IWM 2026-09-30 277 put 0 24,211 +24,211 max pain IWM 2026-10-16 271 put 44,623 68,770 +24,147 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 % TLT 2026-10-23 83 call 1,143 26,403 +25,260 +2,210% max pain NVDA 2026-09-25 105 put 1,744 20,669 +18,925 +1,085.1% max pain SPY 2026-09-25 772 call 2,403 26,482 +24,079 +1,002% max pain INTC 2026-09-18 112 call 2,468 24,850 +22,382 +906.9% max pain SPY 2026-09-21 770 call 3,239 31,504 +28,265 +872.6% max pain HAL 2026-10-16 40 call 1,856 17,234 +15,378 +828.6% max pain QQQ 2026-10-02 725 call 1,336 11,487 +10,151 +759.8% max pain MSTR 2026-09-25 70 put 1,613 13,317 +11,704 +725.6% max pain SPY 2026-09-18 694 put 1,045 8,335 +7,290 +697.6% max pain UBER 2026-10-16 62.5 put 1,422 11,164 +9,742 +685.1% max pain SPX 2026-10-30 7,450 put 1,765 12,449 +10,684 +605.3% max pain MSTR 2026-09-25 135 call 1,634 11,243 +9,609 +588.1% max pain INTC 2026-09-18 111 call 1,298 8,536 +7,238 +557.6% max pain QQQ 2026-09-18 716 put 1,842 11,950 +10,108 +548.8% max pain QQQ 2026-09-21 710 put 1,371 8,841 +7,470 +544.9% max pain XLF 2026-11-20 53 put 2,844 17,866 +15,022 +528.2% max pain INTC 2027-04-16 65 put 1,238 7,465 +6,227 +503% max pain NVDA 2026-09-25 222.5 call 3,754 22,326 +18,572 +494.7% max pain SPY 2026-09-21 745 put 1,207 7,155 +5,948 +492.8% max pain NU 2027-01-15 11 put 5,239 30,221 +24,982 +476.8% max pain
Decreases Symbol Expiry Strike Type Prior OI Current OI Change Change % SPY 2026-09-30 605 call 4,879 0 -4,879 -100% max pain SPY 2026-09-18 515 call 3,352 0 -3,352 -100% max pain SPY 2026-09-30 715 call 2,049 1 -2,048 -100% max pain SPY 2026-09-30 599 call 1,699 0 -1,699 -100% max pain SPY 2026-09-30 606 call 1,672 0 -1,672 -100% max pain SPY 2026-09-30 721 call 1,376 0 -1,376 -100% max pain SPY 2026-09-30 598 call 1,275 0 -1,275 -100% max pain SPY 2026-09-30 708 call 1,271 0 -1,271 -100% max pain SPY 2026-09-21 725 call 1,187 0 -1,187 -100% max pain SPY 2026-09-25 715 call 1,079 0 -1,079 -100% max pain SPY 2026-09-18 730 call 29,777 31 -29,746 -99.9% max pain SPY 2026-09-18 725 call 17,308 15 -17,293 -99.9% max pain SPY 2026-09-18 715 call 12,853 15 -12,838 -99.9% max pain SPY 2026-09-18 735 call 12,706 17 -12,689 -99.9% max pain SPY 2026-09-18 705 call 8,457 12 -8,445 -99.9% max pain SPY 2026-09-18 600 call 5,119 4 -5,115 -99.9% max pain HBAN 2026-09-18 18 put 3,068 4 -3,064 -99.9% max pain SPY 2026-09-18 748 call 2,792 4 -2,788 -99.9% max pain SPY 2026-09-18 749 call 2,602 3 -2,599 -99.9% max pain SPY 2026-09-18 741 call 1,627 1 -1,626 -99.9% max pain
Top strikes, summed across expirations Symbol Strike Type Change Expirations summed TLT 83 call +97,737 25 XLF 58 put -65,624 12 TLT 82 call +49,376 27 XLF 50 put +48,340 13 IWM 290 put -44,610 27 SPY 772 call +44,283 15 SPX 7,000 put +37,476 50 NU 12 put -37,018 10 NU 18 call -36,489 5 SPX 7,700 call +35,679 43 SPY 770 call +34,741 28 SPY 750 call -33,084 30 NVDA 225 call +32,295 24 SPY 730 call -31,181 21 QQQ 715 put +30,145 28 NVDA 222.5 call +29,205 7 SPX 8,000 call +28,911 49 XLF 53 put +28,884 11 INTC 120 call +27,583 23 SPX 7,700 put +27,572 41
Symbols by net change Largest net increases Symbol Kind Net change Calls Puts SPX Index +845,493 +349,609 +495,884 QQQ Index ETF +500,190 +190,987 +309,203 SPY Index ETF +288,539 -100,167 +388,706 INTC Stock +283,750 +130,289 +153,461 NVDA Stock +259,684 +136,625 +123,059 TLT ETF +222,576 +212,251 +10,325 TSLA Stock +198,701 +90,800 +107,901 AAPL Stock +143,889 +84,457 +59,432 IWM Index ETF +119,668 +65,444 +54,224 MU Stock +102,874 +53,912 +48,962
Largest net decreases Symbol Kind Net change Calls Puts XLE ETF -24,127 -9,738 -14,389 NU Stock -15,317 -2,051 -13,266 XLP ETF -11,026 -474 -10,552 GE Stock -9,713 -8,897 -816 CPNG Stock -6,225 +2,004 -8,229 XLY ETF -5,229 +903 -6,132 XLI ETF -2,757 +1,462 -4,219 SE Stock -2,435 +248 -2,683 KEY Stock -2,042 -803 -1,239 BR Stock -662 +43 -705
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