Latest OI changes Previous session: 2026-09-29 Next session: 2026-10-01 Biggest options open interest changes OI settled 2026-09-30 vs 2026-09-29
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. 3 of those compared reported an identical book in both sessions.
Across the compared symbols, 69,935 contracts changed open interest: +5,663,864 added, -1,052,075 removed, net +4,611,789 contracts.
Largest open interest increases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change TLT 2026-11-30 83 call 3,495 96,741 +93,246 max pain SPY 2026-12-31 650 put 4,578 79,607 +75,029 max pain SPY 2026-12-31 550 put 2,070 76,357 +74,287 max pain XLU 2026-10-30 41 call 2,949 56,101 +53,152 SPY 2026-10-06 810 call 250 44,417 +44,167 max pain SPY 2026-10-06 809 call 1 41,675 +41,674 max pain TLT 2026-12-18 73 put 19,340 57,402 +38,062 max pain XLI 2027-01-15 160 put 28,705 56,668 +27,963 IWM 2026-10-30 272 put 1,586 28,726 +27,140 max pain XLU 2026-11-20 42 call 5,560 29,267 +23,707 SPY 2026-10-16 733 put 6,919 29,974 +23,055 max pain SPY 2026-12-31 802 call 71 20,728 +20,657 max pain SPY 2026-12-31 610 put 9,627 30,238 +20,611 max pain SPY 2026-12-31 723 put 97 20,696 +20,599 max pain TLT 2026-10-02 78 call 10,217 30,655 +20,438 max pain QQQ 2026-10-30 715 put 2,500 21,867 +19,367 max pain IWM 2026-10-09 285 call 6,259 24,600 +18,341 max pain SPY 2026-12-18 770 call 16,354 33,810 +17,456 max pain IWM 2026-10-16 266 put 38,990 56,295 +17,305 max pain SPY 2026-10-30 800 call 19,911 36,843 +16,932 max pain
Largest open interest decreases (contracts) Symbol Expiry Strike Type Prior OI Current OI Change XLI 2026-11-20 168 put 28,428 5,617 -22,811 SPY 2026-12-18 830 call 57,449 35,385 -22,064 max pain QQQ 2026-10-02 690 put 40,351 22,846 -17,505 max pain IWM 2026-10-16 294 call 20,660 7,315 -13,345 max pain IWM 2026-10-16 268 put 29,973 17,851 -12,122 max pain SPY 2026-10-09 790 call 19,851 9,299 -10,552 max pain IWM 2026-10-16 265 put 61,248 51,414 -9,834 max pain SPX 2026-10-02 7,900 call 32,566 23,288 -9,278 max pain XLF 2026-10-16 54 put 73,235 64,886 -8,349 max pain TLT 2026-10-16 83 call 206,070 197,963 -8,107 max pain BAC 2026-10-02 58 call 15,529 7,552 -7,977 max pain SPY 2026-10-07 740 put 18,098 10,258 -7,840 max pain BAC 2026-10-02 57 call 12,434 4,823 -7,611 max pain IWM 2026-12-18 175 put 63,498 55,923 -7,575 max pain TLT 2028-01-21 88 call 88,916 81,789 -7,127 max pain XLU 2026-12-18 44 call 18,344 11,394 -6,950 IWM 2026-11-20 250 put 42,371 35,498 -6,873 max pain TLT 2026-10-16 81 call 67,284 60,630 -6,654 max pain TLT 2026-12-18 80 put 43,552 37,444 -6,108 max pain XLV 2027-01-15 150 put 26,549 20,533 -6,016 max pain
Index ETFs vs single stocks Index ETFs (SPY, QQQ, IWM, DIA): increases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-12-31 650 put 4,578 79,607 +75,029 max pain SPY 2026-12-31 550 put 2,070 76,357 +74,287 max pain SPY 2026-10-06 810 call 250 44,417 +44,167 max pain SPY 2026-10-06 809 call 1 41,675 +41,674 max pain IWM 2026-10-30 272 put 1,586 28,726 +27,140 max pain SPY 2026-10-16 733 put 6,919 29,974 +23,055 max pain SPY 2026-12-31 802 call 71 20,728 +20,657 max pain SPY 2026-12-31 610 put 9,627 30,238 +20,611 max pain SPY 2026-12-31 723 put 97 20,696 +20,599 max pain QQQ 2026-10-30 715 put 2,500 21,867 +19,367 max pain
Index ETFs: decreases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-12-18 830 call 57,449 35,385 -22,064 max pain QQQ 2026-10-02 690 put 40,351 22,846 -17,505 max pain IWM 2026-10-16 294 call 20,660 7,315 -13,345 max pain IWM 2026-10-16 268 put 29,973 17,851 -12,122 max pain SPY 2026-10-09 790 call 19,851 9,299 -10,552 max pain IWM 2026-10-16 265 put 61,248 51,414 -9,834 max pain SPY 2026-10-07 740 put 18,098 10,258 -7,840 max pain IWM 2026-12-18 175 put 63,498 55,923 -7,575 max pain IWM 2026-11-20 250 put 42,371 35,498 -6,873 max pain SPY 2026-10-16 730 put 64,544 58,583 -5,961 max pain
Single stocks: increases Symbol Expiry Strike Type Prior OI Current OI Change TSLA 2026-10-05 377.5 call 379 15,758 +15,379 max pain MSFT 2026-10-30 555 call 439 15,304 +14,865 max pain BB 2026-11-20 10 call 3,325 17,179 +13,854 max pain BAC 2026-10-30 50 put 297 10,007 +9,710 max pain INTC 2028-06-16 80 call 0 9,121 +9,121 max pain INTC 2028-06-16 130 call 5 9,123 +9,118 max pain BAC 2026-10-09 56 call 1,040 9,383 +8,343 max pain INTC 2026-11-20 230 call 98 8,286 +8,188 max pain BAC 2026-10-09 57 call 2,638 10,682 +8,044 max pain INTC 2026-11-20 150 call 16,911 23,932 +7,021 max pain
Single stocks: decreases Symbol Expiry Strike Type Prior OI Current OI Change BAC 2026-10-02 58 call 15,529 7,552 -7,977 max pain BAC 2026-10-02 57 call 12,434 4,823 -7,611 max pain ITW 2026-10-16 300 put 5,004 0 -5,004 max pain ITW 2026-10-16 300 call 5,062 62 -5,000 max pain BA 2026-10-16 200 put 9,262 5,088 -4,174 max pain AAPL 2026-10-02 335 call 9,663 5,747 -3,916 max pain SOFI 2028-01-21 15 put 32,119 28,987 -3,132 max pain AAPL 2026-10-02 330 call 5,892 3,203 -2,689 max pain META 2026-10-09 565 put 3,656 968 -2,688 max pain AAPL 2026-10-02 332.5 call 4,971 2,319 -2,652 max pain
Calls vs puts Type Added Removed Net Calls +2,857,074 -486,972 +2,370,102 Puts +2,806,790 -565,103 +2,241,687
Top call increases Symbol Expiry Strike Type Prior OI Current OI Change TLT 2026-11-30 83 call 3,495 96,741 +93,246 max pain XLU 2026-10-30 41 call 2,949 56,101 +53,152 SPY 2026-10-06 810 call 250 44,417 +44,167 max pain SPY 2026-10-06 809 call 1 41,675 +41,674 max pain XLU 2026-11-20 42 call 5,560 29,267 +23,707
Top put increases Symbol Expiry Strike Type Prior OI Current OI Change SPY 2026-12-31 650 put 4,578 79,607 +75,029 max pain SPY 2026-12-31 550 put 2,070 76,357 +74,287 max pain TLT 2026-12-18 73 put 19,340 57,402 +38,062 max pain XLI 2027-01-15 160 put 28,705 56,668 +27,963 IWM 2026-10-30 272 put 1,586 28,726 +27,140 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 2026-12-31 550 put 2,070 76,357 +74,287 +3,588.7% max pain TLT 2026-11-30 83 call 3,495 96,741 +93,246 +2,668% max pain XLU 2026-10-30 41 call 2,949 56,101 +53,152 +1,802.4% IWM 2026-10-30 272 put 1,586 28,726 +27,140 +1,711.2% max pain SPY 2026-12-31 650 put 4,578 79,607 +75,029 +1,638.9% max pain SPY 2026-10-01 733 put 1,332 13,270 +11,938 +896.2% max pain XLV 2027-01-15 160 put 1,353 13,405 +12,052 +890.8% max pain BAC 2026-10-09 56 call 1,040 9,383 +8,343 +802.2% max pain QQQ 2026-10-30 715 put 2,500 21,867 +19,367 +774.7% max pain SPY 2026-10-01 735 put 1,422 11,072 +9,650 +678.6% max pain IWM 2026-12-18 268 put 1,514 11,093 +9,579 +632.7% max pain SPY 2026-10-02 731 put 1,685 12,043 +10,358 +614.7% max pain SPY 2026-10-01 768 call 2,415 16,308 +13,893 +575.3% max pain SPY 2026-10-01 763 call 1,031 6,823 +5,792 +561.8% max pain QQQ 2026-10-01 733 put 1,033 6,219 +5,186 +502% max pain QQQ 2026-10-01 748 call 1,417 8,284 +6,867 +484.6% max pain SPY 2026-10-01 762 put 1,373 7,841 +6,468 +471.1% max pain QQQ 2026-10-05 760 call 1,422 8,018 +6,596 +463.9% max pain QQQ 2026-10-02 736 put 1,607 9,031 +7,424 +462% max pain TGT 2026-10-02 167.5 call 1,018 5,683 +4,665 +458.3% max pain
Decreases Symbol Expiry Strike Type Prior OI Current OI Change Change % ITW 2026-10-16 300 put 5,004 0 -5,004 -100% max pain TLT 2026-10-05 74 call 1,105 0 -1,105 -100% max pain KO 2026-10-02 90 put 1,385 6 -1,379 -99.6% max pain XLF 2027-03-19 61 put 3,822 35 -3,787 -99.1% max pain ITW 2026-10-16 300 call 5,062 62 -5,000 -98.8% max pain USB 2027-01-15 37.5 call 1,222 23 -1,199 -98.1% max pain IWM 2026-10-02 290 put 1,344 36 -1,308 -97.3% max pain WFC 2026-10-02 85 put 1,680 54 -1,626 -96.8% max pain XLP 2026-10-16 85 put 3,331 256 -3,075 -92.3% BAC 2026-10-02 58 put 1,948 151 -1,797 -92.2% max pain XLF 2027-09-17 61 call 1,116 163 -953 -85.4% max pain XLI 2026-11-20 168 put 28,428 5,617 -22,811 -80.2% SOFI 2026-12-18 28 put 2,564 582 -1,982 -77.3% max pain META 2026-10-09 565 put 3,656 968 -2,688 -73.5% max pain KO 2026-10-02 89 put 1,095 292 -803 -73.3% max pain SHOP 2026-10-02 135 put 2,806 874 -1,932 -68.9% max pain XLF 2026-10-02 55.5 put 1,578 530 -1,048 -66.4% max pain IWM 2026-10-16 294 call 20,660 7,315 -13,345 -64.6% max pain COF 2026-10-02 200 call 2,573 938 -1,635 -63.5% max pain IWM 2026-10-02 287 put 3,024 1,129 -1,895 -62.7% max pain
Top strikes, summed across expirations Symbol Strike Type Change Expirations summed TLT 83 call +89,987 25 SPY 650 put +84,120 22 SPY 550 put +75,035 18 SPY 810 call +61,557 23 XLU 41 call +54,653 12 TLT 78 call +53,861 28 SPY 809 call +45,744 10 TLT 80 call +45,633 28 TLT 73 put +38,349 20 SPY 733 put +36,696 18 QQQ 730 put +31,450 26 SPY 770 call +31,063 29 QQQ 715 put +30,014 24 XLI 160 put +27,661 7 IWM 272 put +26,188 15 SPY 735 put +24,611 25 IWM 266 put +24,117 16 QQQ 740 put +23,953 28 INTC 130 call +23,761 23 IWM 285 call +23,598 25
Symbols by net change Largest net increases Symbol Kind Net change Calls Puts SPY Index ETF +1,033,015 +407,837 +625,178 SPX Index +720,573 +295,874 +424,699 QQQ Index ETF +514,136 +176,171 +337,965 TLT ETF +338,257 +261,927 +76,330 IWM Index ETF +214,533 +116,490 +98,043 TSLA Stock +164,332 +98,338 +65,994 INTC Stock +156,832 +105,235 +51,597 XLU ETF +132,590 +116,415 +16,175 XLF ETF +93,658 +38,369 +55,289 HOOD Stock +81,204 +50,795 +30,409
Largest net decreases Symbol Kind Net change Calls Puts ITW Stock -9,711 -4,823 -4,888 SBUX Stock -58 +74 -132
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