Election 2026: what SPX options price for the Nov 4 session.Election 2026: what SPX options price

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PINS Options Open Interest by Strike, Oct 21 Settlement

PINS open interest settled 2026-10-21 vs 2026-10-20.

Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

Computed from the Oct 21 settlement. Next update after the Oct 22 settlement, after 5:30 a.m. PT (8:30 a.m. ET) on Friday, Oct 23, 2026.

All archived unexpired expiration/strike/type keys, including unchanged counts. Series sharing that key are combined; roots and deliverables are not retained. Zero-OI keys omitted by the archive are not reconstructed.

This page shows the 6 nearest of 16 expirations, with the 40 strikes nearest the archived reference price (2026-10-21) for each, plus the largest changes across the whole book. The complete book, 667 expiration/strike/type keys, is in the Markdown table.

PINS, 2026-10-21 settlement: call and put open interest by strike bucket, 6 nearest expirations12,2290Strikes 18 to 19, calls: 84 contracts, settled 2026-10-21Strikes 18 to 19, puts: 393 contracts, settled 2026-10-21Strikes 19 to 19, calls: 1,768 contracts, settled 2026-10-21Strikes 19 to 19, puts: 2,150 contracts, settled 2026-10-21Strikes 19 to 20, calls: 175 contracts, settled 2026-10-21Strikes 19 to 20, puts: 575 contracts, settled 2026-10-21Strikes 20 to 20, calls: 1,051 contracts, settled 2026-10-21Strikes 20 to 20, puts: 7,431 contracts, settled 2026-10-21Strikes 20 to 21, calls: 418 contracts, settled 2026-10-21Strikes 20 to 21, puts: 1,676 contracts, settled 2026-10-21Strikes 21 to 21, calls: 1,601 contracts, settled 2026-10-21Strikes 21 to 21, puts: 2,587 contracts, settled 2026-10-21Strikes 21 to 22, calls: 2,224 contracts, settled 2026-10-21Strikes 21 to 22, puts: 963 contracts, settled 2026-10-21Strikes 22 to 22, calls: 4,229 contracts, settled 2026-10-21Strikes 22 to 22, puts: 1,461 contracts, settled 2026-10-21Strikes 22 to 23, calls: 2,778 contracts, settled 2026-10-21Strikes 22 to 23, puts: 864 contracts, settled 2026-10-21Strikes 23 to 23, calls: 7,537 contracts, settled 2026-10-21Strikes 23 to 23, puts: 3,598 contracts, settled 2026-10-21Strikes 23 to 24, calls: 12,229 contracts, settled 2026-10-21Strikes 23 to 24, puts: 1,039 contracts, settled 2026-10-21Strikes 24 to 24, calls: 5,758 contracts, settled 2026-10-21Strikes 24 to 24, puts: 765 contracts, settled 2026-10-21Strikes 24 to 25, calls: 1,240 contracts, settled 2026-10-21Strikes 24 to 25, puts: 92 contracts, settled 2026-10-21Strikes 25 to 25, calls: 6,787 contracts, settled 2026-10-21Strikes 25 to 25, puts: 278 contracts, settled 2026-10-21Strikes 25 to 26, calls: 292 contracts, settled 2026-10-21Strikes 25 to 26, puts: 21 contracts, settled 2026-10-21Strikes 26 to 26, calls: 5,518 contracts, settled 2026-10-21Strikes 26 to 26, puts: 1,006 contracts, settled 2026-10-21Strikes 26 to 27, calls: 175 contracts, settled 2026-10-21Strikes 26 to 27, puts: 9 contracts, settled 2026-10-21Strikes 27 to 27, calls: 2,922 contracts, settled 2026-10-21Strikes 27 to 27, puts: 55 contracts, settled 2026-10-21Strikes 27 to 28, calls: 1,225 contracts, settled 2026-10-21Strikes 27 to 28, puts: 2 contracts, settled 2026-10-211828
Strike bucket on the horizontal axis, settled open contracts per bucket on the vertical axis. Calls in the accent color; puts in orange. Totals across the 6 nearest expirations, strikes from 18 to 28. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

PINS: largest changes in the full book, settled 2026-10-21 vs 2026-10-20

StrikeExpiryTypePrior OISettled OIChange
2511/20call1,5405,464+3,924
2310/30put1,2642,402+1,138
23.510/30call10,76210,150-612
2410/30call1,2101,635+425
23.510/23call1,1891,599+410
24.510/30call424786+362
2111/13put14373+359
5512/17call632919+287
27.511/20call7239+232
23.510/23put17216+199
20.510/30put49247+198
2310/30call4,4414,257-184
21.510/30put268445+177
2311/13call779944+165
2411/20call2,7872,936+149
Expiration 2026-10-23

PINS open interest, settled 2026-10-21, expiration 2026-10-23, strikes 14 to 30

StrikeExpiryTypePrior OISettled OIChange
1410/23call57+2
1510/23call6569+4
1510/23put40400
15.510/23call6264+2
1610/23call4043+3
1610/23put1251250
16.510/23call1413-1
16.510/23put1918-1
1710/23call1819+1
1710/23put2902900
17.510/23call69+3
17.510/23put2572570
1810/23call813+5
1810/23put4304300
18.510/23call56560
18.510/23put3153150
1910/23call133134+1
1910/23put2922920
19.510/23call71710
19.510/23put3623620
2010/23call1241240
2010/23put196194-2
20.510/23call2192190
20.510/23put1,3571,3570
2110/23call885871-14
2110/23put897895-2
21.510/23call1,3841,272-112
21.510/23put381391+10
2210/23call8508500
2210/23put154165+11
22.510/23call531550+19
22.510/23put98104+6
2310/23call608592-16
2310/23put275291+16
23.510/23call1,1891,599+410
23.510/23put17216+199
2410/23call250316+66
2410/23put1014+4
24.510/23call95219+124
24.510/23put12120
2510/23call180286+106
2510/23put330
25.510/23call77161+84
2610/23call1118+7
2610/23put220
26.510/23call220
26.510/23put110
2710/23put21-1
27.510/23put01+1
2910/23call110
2910/23put19+8
3010/23put01+1
Expiration 2026-10-30

PINS open interest, settled 2026-10-21, expiration 2026-10-30, strikes 14 to 30

StrikeExpiryTypePrior OISettled OIChange
1410/30call440
1410/30put54540
14.510/30call220
14.510/30put220
1510/30call110
1510/30put29290
15.510/30call330
15.510/30put18180
1610/30put12120
16.510/30call660
16.510/30put3133130
1710/30call35+2
1710/30put5950-9
17.510/30call1,4391,4390
17.510/30put9879870
1810/30call990
1810/30put272271-1
18.510/30call990
18.510/30put56560
1910/30call69690
1910/30put3465+31
19.510/30call64640
19.510/30put63630
2010/30call2012010
2010/30put217218+1
20.510/30call92920
20.510/30put49247+198
2110/30call146143-3
2110/30put436517+81
21.510/30call582579-3
21.510/30put268445+177
2210/30call557556-1
2210/30put215198-17
22.510/30call1,9371,933-4
22.510/30put5735730
2310/30call4,4414,257-184
2310/30put1,2642,402+1,138
23.510/30call10,76210,150-612
23.510/30put808797-11
2410/30call1,2101,635+425
2410/30put811+3
24.510/30call424786+362
24.510/30put2849+21
2510/30call351484+133
2510/30put98-1
25.510/30call2891+63
25.510/30put1112+1
2610/30call111203+92
2610/30put770
26.510/30call118154+36
26.510/30put45+1
2710/30call233249+16
2710/30put21-1
2810/30call231248+17
2810/30put01+1
2910/30call140141+1
3010/30call502503+1
Expiration 2026-11-06

PINS open interest, settled 2026-10-21, expiration 2026-11-06, strikes 13.5 to 28.5

StrikeExpiryTypePrior OISettled OIChange
13.511/06call110
13.511/06put2032030
1411/06put220
14.511/06call110
14.511/06put220
1511/06put110
15.511/06put330
1611/06call110
1611/06put29290
16.511/06put880
1711/06call01+1
1711/06put660
17.511/06put51510
1811/06call110
1811/06put83830
18.511/06call18180
18.511/06put1615-1
1911/06call13130
1911/06put2542540
19.511/06call27270
19.511/06put18180
2011/06call77770
2011/06put2,2722,270-2
20.511/06call9291-1
20.511/06put1823+5
2111/06call80800
2111/06put2130+9
21.511/06call267266-1
21.511/06put13+2
2211/06call928920-8
2211/06put2224+2
22.511/06call1201200
22.511/06put70700
2311/06call337315-22
2311/06put1015+5
23.511/06call12199-22
23.511/06put1214+2
2411/06call401413+12
2411/06put629+23
24.511/06call1011010
24.511/06put517+12
2511/06call226248+22
2511/06put3135+4
25.511/06call013+13
25.511/06put59+4
2611/06call99114+15
2611/06put401406+5
26.511/06put13+2
2711/06call4137-4
2711/06put880
27.511/06call9869860
27.511/06put01+1
2811/06call525+20
28.511/06call02+2
28.511/06put110
Expiration 2026-11-13

PINS open interest, settled 2026-10-21, expiration 2026-11-13, strikes 14 to 30

StrikeExpiryTypePrior OISettled OIChange
1411/13call110
1511/13call110
1511/13put1617+1
1611/13put17170
16.511/13put770
1711/13put990
17.511/13put550
1811/13put10100
18.511/13call110
18.511/13put12+1
1911/13call17170
1911/13put24240
19.511/13call10100
19.511/13put1552+37
2011/13call21210
2011/13put118170+52
20.511/13call12120
20.511/13put1744+27
2111/13call42420
2111/13put14373+359
21.511/13call105103-2
21.511/13put99101+2
2211/13call7587+12
2211/13put817+9
22.511/13call72147+75
22.511/13put2033+13
2311/13call779944+165
2311/13put449468+19
23.511/13call232246+14
23.511/13put01+1
2411/13call4454450
2411/13put18+7
24.511/13call42103+61
24.511/13put313+10
2511/13call220269+49
2511/13put220
2611/13call190186-4
2611/13put220
2711/13call164182+18
2711/13put110
2811/13call89180+91
3011/13call550
Expiration 2026-11-20

PINS open interest, settled 2026-10-21, expiration 2026-11-20, strikes 10 to 35

StrikeExpiryTypePrior OISettled OIChange
1011/20call11110
1011/20put38380
1111/20call330
1111/20put31310
1211/20call220
1211/20put18180
1311/20call24240
1311/20put2792790
1411/20call550
1411/20put3783780
1511/20call77770
1511/20put8918910
1611/20call66660
1611/20put715716+1
1711/20call35350
1711/20put967961-6
17.511/20put01+1
1811/20call2892890
1811/20put2,5252,502-23
18.511/20put13+2
1911/20call1,5371,535-2
1911/20put1,5061,513+7
19.511/20call330
19.511/20put7978-1
2011/20call662601-61
2011/20put4,5654,556-9
20.511/20call12+1
20.511/20put34+1
2111/20call4654650
2111/20put7497490
21.511/20call01+1
21.511/20put2223+1
2211/20call1,7201,712-8
2211/20put1,0591,056-3
22.511/20call19190
22.511/20put383+80
2311/20call1,4211,420-1
2311/20put375422+47
23.511/20call51130+79
23.511/20put611+5
2411/20call2,7872,936+149
2411/20put7037030
24.511/20call930+21
2511/20call1,5405,464+3,924
2511/20put231230-1
25.511/20call1325+12
2611/20call4,9774,988+11
2611/20put5885880
26.511/20call1719+2
2711/20call2,5152,451-64
2711/20put44440
27.511/20call7239+232
2811/20call385407+22
2811/20put550
2911/20call1751750
2911/20put330
3011/20call1,5621,564+2
3111/20call61610
3211/20call1921920
3211/20put220
3311/20call153152-1
3511/20call6076070
Expiration 2026-11-27

PINS open interest, settled 2026-10-21, expiration 2026-11-27, strikes 15.5 to 28

StrikeExpiryTypePrior OISettled OIChange
15.511/27put330
1611/27put110
16.511/27put110
1711/27put110
17.511/27put110
1811/27put110
18.511/27put220
1911/27put220
19.511/27put220
2011/27call27270
2011/27put823+15
20.511/27call220
20.511/27put110
2111/27put823+15
21.511/27call23+1
2211/27call103104+1
2211/27put110
22.511/27call990
22.511/27put110
2311/27call990
23.511/27call65-1
2411/27call913+4
24.511/27call110
24.511/27put110
2511/27call1836+18
25.511/27call220
2611/27call79+2
2611/27put110
2711/27call330
2811/27call770

Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-05-21, 2027-06-17, 2027-09-17, 2027-12-17, 2028-01-21, 2029-01-19) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols