Latest OI changes Previous session: 2026-09-17 Next session: 2026-09-21 Biggest options open interest changes OI settled 2026-09-18 vs 2026-09-17
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.
140 of 212 archived US symbols compared. The other 72 lacked a consecutive settlement pair in the archive for these two sessions. 15 of those compared reported an identical book in both sessions.
Across the compared symbols, 67,838 contracts changed open interest: +6,707,632 added, -758,894 removed, net +5,948,738 contracts.
Largest open interest increases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change QQQ 2026-09-25 705 put 3,066 32,706 +29,640 max pain TLT 2026-09-25 81.5 call 4,620 33,784 +29,164 max pain CMG 2026-10-30 28 put 19,027 47,571 +28,544 max pain IWM 2026-10-16 270 put 59,163 87,248 +28,085 max pain QQQ 2026-09-21 730 call 2,549 30,242 +27,693 max pain MU 2026-09-25 600 put 571 24,765 +24,194 max pain TSLA 2026-09-25 160 put 13,593 37,443 +23,850 max pain QQQ 2026-10-02 725 call 11,487 34,735 +23,248 max pain XLI 2027-01-15 160 put 6,217 28,622 +22,405 AAPL 2026-09-25 185 put 20 21,079 +21,059 max pain SPX 2026-12-18 7,700 call 57,103 78,142 +21,039 max pain SPY 2026-09-22 722 put 309 21,264 +20,955 max pain IWM 2026-10-16 275 put 73,851 94,237 +20,386 max pain SPY 2026-10-30 745 put 2,229 22,519 +20,290 max pain TLT 2026-09-25 82 call 15,332 35,064 +19,732 max pain SPX 2026-12-18 7,700 put 58,156 77,882 +19,726 max pain MSTR 2026-09-25 155 call 1,080 20,594 +19,514 max pain SPX 2026-09-25 5,900 put 1,489 20,639 +19,150 max pain IWM 2026-09-25 293 call 2,609 21,488 +18,879 max pain XLP 2029-01-19 55 put 0 18,750 +18,750
Largest open interest decreases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change TLT 2026-10-16 79 put 123,248 96,226 -27,022 max pain TLT 2026-10-16 77 put 75,411 48,808 -26,603 max pain XLF 2027-01-15 50 put 90,528 65,537 -24,991 max pain QQQ 2026-09-25 665 put 56,244 37,639 -18,605 max pain IWM 2026-09-30 285 put 68,428 52,578 -15,850 max pain XLF 2026-10-16 53 put 45,739 33,110 -12,629 max pain IWM 2026-10-16 271 put 68,770 57,263 -11,507 max pain IWM 2026-09-30 277 put 24,211 13,840 -10,371 max pain TLT 2026-09-30 84 put 10,836 827 -10,009 max pain QQQ 2026-09-25 690 put 89,968 80,633 -9,335 max pain SPY 2026-10-09 800 call 18,507 9,931 -8,576 max pain XLE 2026-09-30 60 call 6,962 535 -6,427 max pain SPX 2026-09-21 7,360 put 6,110 1,126 -4,984 max pain SPY 2026-09-28 780 call 15,717 10,904 -4,813 max pain INTC 2026-10-02 95 put 7,334 2,616 -4,718 max pain SPX 2026-09-23 7,000 put 11,364 6,686 -4,678 max pain XLE 2026-09-30 48 call 4,361 1 -4,360 max pain SPX 2026-09-21 7,350 put 6,752 2,428 -4,324 max pain TLT 2026-12-18 90 call 321,823 317,789 -4,034 max pain SPX 2026-10-02 6,875 put 7,803 3,859 -3,944 max pain
Index ETFs vs single stocks Index ETFs (SPY, QQQ, IWM, DIA): increases Symbol Expiry Strike Type Prior OI Current OI Change QQQ 2026-09-25 705 put 3,066 32,706 +29,640 max pain IWM 2026-10-16 270 put 59,163 87,248 +28,085 max pain QQQ 2026-09-21 730 call 2,549 30,242 +27,693 max pain QQQ 2026-10-02 725 call 11,487 34,735 +23,248 max pain SPY 2026-09-22 722 put 309 21,264 +20,955 max pain IWM 2026-10-16 275 put 73,851 94,237 +20,386 max pain SPY 2026-10-30 745 put 2,229 22,519 +20,290 max pain IWM 2026-09-25 293 call 2,609 21,488 +18,879 max pain IWM 2026-10-09 279 put 375 18,179 +17,804 max pain SPY 2026-09-21 723 put 1,343 17,915 +16,572 max pain
Index ETFs: decreases Symbol Expiry Strike Type Prior OI Current OI Change QQQ 2026-09-25 665 put 56,244 37,639 -18,605 max pain IWM 2026-09-30 285 put 68,428 52,578 -15,850 max pain IWM 2026-10-16 271 put 68,770 57,263 -11,507 max pain IWM 2026-09-30 277 put 24,211 13,840 -10,371 max pain QQQ 2026-09-25 690 put 89,968 80,633 -9,335 max pain SPY 2026-10-09 800 call 18,507 9,931 -8,576 max pain SPY 2026-09-28 780 call 15,717 10,904 -4,813 max pain IWM 2026-10-16 273 put 37,619 34,223 -3,396 max pain QQQ 2027-01-15 700 call 13,476 10,449 -3,027 max pain QQQ 2027-01-15 700 put 31,966 29,009 -2,957 max pain
Single stocks: increases Symbol Expiry Strike Type Prior OI Current OI Change CMG 2026-10-30 28 put 19,027 47,571 +28,544 max pain MU 2026-09-25 600 put 571 24,765 +24,194 max pain TSLA 2026-09-25 160 put 13,593 37,443 +23,850 max pain AAPL 2026-09-25 185 put 20 21,079 +21,059 max pain MSTR 2026-09-25 155 call 1,080 20,594 +19,514 max pain GRAB 2027-01-15 2.5 put 7,304 25,806 +18,502 max pain PLTR 2026-09-25 180 call 4,391 22,855 +18,464 max pain MSTR 2026-09-25 150 call 2,669 20,707 +18,038 max pain TSLA 2026-10-02 200 put 10,097 27,603 +17,506 max pain TSLA 2026-09-21 355 put 1,378 18,460 +17,082 max pain
Single stocks: decreases Symbol Expiry Strike Type Prior OI Current OI Change INTC 2026-10-02 95 put 7,334 2,616 -4,718 max pain JNJ 2026-09-25 260 put 6,873 2,945 -3,928 max pain INTC 2026-10-16 80 put 31,462 27,883 -3,579 max pain INTC 2026-09-25 103 call 11,281 8,649 -2,632 max pain MSFT 2026-11-20 420 call 26,382 23,878 -2,504 max pain MSFT 2026-09-25 570 call 5,300 2,806 -2,494 max pain AAPL 2027-01-15 270 call 11,612 9,477 -2,135 max pain LCID 2027-01-15 3 put 48,560 46,470 -2,090 max pain MSFT 2026-10-02 580 call 5,075 3,047 -2,028 max pain MSTR 2026-10-16 95 call 42,742 40,720 -2,022 max pain
Calls vs puts Type Added Removed Net Calls +3,150,962 -311,679 +2,839,283 Puts +3,556,670 -447,215 +3,109,455
Top call increases Symbol Expiry Strike Type Prior OI Current OI Change TLT 2026-09-25 81.5 call 4,620 33,784 +29,164 max pain QQQ 2026-09-21 730 call 2,549 30,242 +27,693 max pain QQQ 2026-10-02 725 call 11,487 34,735 +23,248 max pain SPX 2026-12-18 7,700 call 57,103 78,142 +21,039 max pain TLT 2026-09-25 82 call 15,332 35,064 +19,732 max pain
Top put increases Symbol Expiry Strike Type Prior OI Current OI Change QQQ 2026-09-25 705 put 3,066 32,706 +29,640 max pain CMG 2026-10-30 28 put 19,027 47,571 +28,544 max pain IWM 2026-10-16 270 put 59,163 87,248 +28,085 max pain MU 2026-09-25 600 put 571 24,765 +24,194 max pain TSLA 2026-09-25 160 put 13,593 37,443 +23,850 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 % MSTR 2026-09-25 155 call 1,080 20,594 +19,514 +1,806.9% max pain SPX 2026-09-25 5,900 put 1,489 20,639 +19,150 +1,286.1% max pain TSLA 2026-09-21 355 put 1,378 18,460 +17,082 +1,239.6% max pain SPY 2026-09-21 723 put 1,343 17,915 +16,572 +1,234% max pain TSLA 2026-09-25 367.5 call 1,417 16,954 +15,537 +1,096.5% max pain QQQ 2026-09-21 730 call 2,549 30,242 +27,693 +1,086.4% max pain QQQ 2026-09-25 705 put 3,066 32,706 +29,640 +966.7% max pain SPY 2026-10-30 745 put 2,229 22,519 +20,290 +910.3% max pain SPY 2026-09-22 725 put 1,695 17,120 +15,425 +910% max pain TSLA 2026-09-25 220 put 2,252 19,103 +16,851 +748.3% max pain GOOGL 2026-09-25 400 call 2,195 18,104 +15,909 +724.8% max pain IWM 2026-09-25 293 call 2,609 21,488 +18,879 +723.6% max pain SPY 2026-09-25 670 put 1,033 8,460 +7,427 +719% max pain MSTR 2026-09-25 150 call 2,669 20,707 +18,038 +675.8% max pain QQQ 2026-09-21 717 put 1,302 10,096 +8,794 +675.4% max pain TLT 2026-09-25 81.5 call 4,620 33,784 +29,164 +631.3% max pain MSTR 2026-09-25 148 call 1,605 11,633 +10,028 +624.8% max pain IWM 2026-10-02 278 put 1,252 8,234 +6,982 +557.7% max pain QQQ 2026-09-25 650 put 1,694 10,045 +8,351 +493% max pain QQQ 2026-09-21 725 call 2,509 14,501 +11,992 +478% max pain
Decreases Symbol Expiry Strike Type Prior OI Current OI Change Change % XLE 2026-09-30 48 call 4,361 1 -4,360 -100% max pain XLE 2026-09-30 50 call 2,475 4 -2,471 -99.8% max pain QQQ 2026-09-21 712 call 1,021 14 -1,007 -98.6% max pain XLE 2026-09-30 57.5 call 3,410 53 -3,357 -98.4% max pain XLE 2026-10-16 55 call 1,991 35 -1,956 -98.2% max pain TLT 2026-09-30 84 put 10,836 827 -10,009 -92.4% max pain XLE 2026-09-30 60 call 6,962 535 -6,427 -92.3% max pain GILD 2028-12-15 120 call 1,480 130 -1,350 -91.2% max pain SPX 2026-09-21 7,360 put 6,110 1,126 -4,984 -81.6% max pain SPY 2026-09-21 685 put 1,657 437 -1,220 -73.6% max pain SPY 2026-09-22 675 put 1,046 299 -747 -71.4% max pain TLT 2026-10-30 89 call 1,137 404 -733 -64.5% max pain INTC 2026-10-02 95 put 7,334 2,616 -4,718 -64.3% max pain SPX 2026-09-21 7,350 put 6,752 2,428 -4,324 -64% max pain SPY 2026-12-18 285 put 1,914 744 -1,170 -61.1% max pain SPX 2026-10-16 7,615 call 1,743 711 -1,032 -59.2% max pain JPM 2027-03-19 430 call 1,386 577 -809 -58.4% max pain JNJ 2026-09-25 260 put 6,873 2,945 -3,928 -57.2% max pain SPY 2027-06-17 850 put 2,093 922 -1,171 -55.9% max pain XLE 2026-10-16 56 call 1,759 820 -939 -53.4% max pain
Top strikes, summed across expirations Symbol Strike Type Change Expirations summed SPY 745 put +50,263 23 QQQ 705 put +47,260 24 QQQ 725 call +42,056 26 SPX 8,000 put +41,119 22 IWM 275 put +40,247 26 TLT 82 call +39,094 23 QQQ 730 call +38,908 24 IWM 270 put +38,464 23 SPX 8,000 call +37,461 46 SPX 7,000 put +36,758 48 SPX 7,000 call +35,465 21 SPY 740 put +33,399 27 TLT 81.5 call +32,887 7 SPY 755 put +32,830 28 SPX 7,700 call +32,573 41 MSTR 155 call +28,863 18 CMG 28 put +28,547 2 TLT 77 put -25,934 18 TLT 79 put -25,018 17 TSLA 160 put +24,622 6
Symbols by net change Largest net increases Symbol Kind Net change Calls Puts SPX Index +905,970 +330,602 +575,368 SPY Index ETF +722,778 +223,722 +499,056 QQQ Index ETF +560,446 +241,988 +318,458 IWM Index ETF +363,620 +131,860 +231,760 TSLA Stock +326,121 +139,845 +186,276 MSTR Stock +311,449 +192,945 +118,504 AAPL Stock +208,002 +112,602 +95,400 MU Stock +158,062 +51,585 +106,477 INTC Stock +149,075 +83,945 +65,130 NFLX Stock +138,449 +88,858 +49,591
Largest net decreases None in this pair.
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