# ZTS Options Open Interest by Strike, Oct 21 Settlement

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.

## Expiration 2026-11-20

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 2 | 2 | 0 |
| 50 | put | 1225 | 1225 | 0 |
| 55 | call | 2 | 2 | 0 |
| 55 | put | 755 | 755 | 0 |
| 60 | call | 6 | 6 | 0 |
| 60 | put | 1013 | 1014 | +1 |
| 65 | call | 96 | 96 | 0 |
| 65 | put | 2328 | 2817 | +489 |
| 70 | call | 781 | 781 | 0 |
| 70 | put | 1624 | 1673 | +49 |
| 75 | call | 1514 | 1536 | +22 |
| 75 | put | 674 | 729 | +55 |
| 80 | call | 2279 | 2541 | +262 |
| 80 | put | 271 | 320 | +49 |
| 85 | call | 2066 | 2176 | +110 |
| 85 | put | 29 | 28 | -1 |
| 90 | call | 869 | 1018 | +149 |
| 90 | put | 3 | 3 | 0 |
| 95 | call | 240 | 277 | +37 |
| 100 | call | 63 | 70 | +7 |
| 105 | call | 2 | 2 | 0 |
| 105 | put | 3 | 3 | 0 |
| 110 | call | 6 | 12 | +6 |
| 110 | put | 3 | 3 | 0 |

## Expiration 2026-12-18

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 4 | 4 | 0 |
| 40 | put | 5 | 5 | 0 |
| 45 | call | 4 | 4 | 0 |
| 45 | put | 1056 | 1056 | 0 |
| 50 | call | 18 | 18 | 0 |
| 50 | put | 156 | 156 | 0 |
| 55 | call | 4 | 4 | 0 |
| 55 | put | 592 | 592 | 0 |
| 60 | call | 35 | 35 | 0 |
| 60 | put | 2323 | 2322 | -1 |
| 65 | call | 38 | 38 | 0 |
| 65 | put | 1900 | 2040 | +140 |
| 70 | call | 144 | 143 | -1 |
| 70 | put | 1602 | 1653 | +51 |
| 75 | call | 1529 | 1527 | -2 |
| 75 | put | 940 | 954 | +14 |
| 80 | call | 673 | 681 | +8 |
| 80 | put | 369 | 370 | +1 |
| 85 | call | 607 | 650 | +43 |
| 85 | put | 350 | 350 | 0 |
| 90 | call | 970 | 973 | +3 |
| 90 | put | 64 | 64 | 0 |
| 95 | call | 324 | 347 | +23 |
| 95 | put | 43 | 43 | 0 |
| 100 | call | 776 | 779 | +3 |
| 100 | put | 189 | 189 | 0 |
| 105 | call | 242 | 242 | 0 |
| 105 | put | 24 | 24 | 0 |
| 110 | call | 126 | 126 | 0 |
| 115 | call | 186 | 186 | 0 |
| 120 | call | 240 | 240 | 0 |
| 125 | call | 76 | 76 | 0 |
| 130 | call | 74 | 74 | 0 |
| 135 | call | 19 | 19 | 0 |
| 140 | call | 40 | 40 | 0 |
| 145 | call | 70 | 70 | 0 |
| 150 | call | 87 | 87 | 0 |
| 155 | call | 17 | 17 | 0 |
| 160 | call | 17 | 17 | 0 |
| 165 | call | 16 | 16 | 0 |
| 170 | call | 22 | 22 | 0 |
| 175 | call | 4 | 4 | 0 |
| 180 | call | 1 | 1 | 0 |
| 200 | call | 102 | 102 | 0 |

## Expiration 2027-01-15

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 15 | 15 | 0 |
| 40 | put | 2180 | 2180 | 0 |
| 45 | call | 6 | 6 | 0 |
| 45 | put | 3338 | 3338 | 0 |
| 50 | call | 131 | 131 | 0 |
| 50 | put | 315 | 315 | 0 |
| 55 | call | 5 | 5 | 0 |
| 55 | put | 249 | 249 | 0 |
| 60 | call | 243 | 242 | -1 |
| 60 | put | 1801 | 1801 | 0 |
| 65 | call | 49 | 47 | -2 |
| 65 | put | 2307 | 2307 | 0 |
| 70 | call | 230 | 228 | -2 |
| 70 | put | 1781 | 2050 | +269 |
| 75 | call | 604 | 611 | +7 |
| 75 | put | 2842 | 2833 | -9 |
| 80 | call | 1098 | 1101 | +3 |
| 80 | put | 688 | 688 | 0 |
| 85 | call | 1706 | 1820 | +114 |
| 85 | put | 143 | 143 | 0 |
| 90 | call | 1654 | 1664 | +10 |
| 90 | put | 113 | 113 | 0 |
| 95 | call | 790 | 793 | +3 |
| 95 | put | 40 | 40 | 0 |
| 100 | call | 1198 | 1201 | +3 |
| 100 | put | 76 | 76 | 0 |
| 105 | call | 3730 | 3750 | +20 |
| 105 | put | 62 | 62 | 0 |
| 110 | call | 415 | 415 | 0 |
| 110 | put | 67 | 67 | 0 |
| 115 | call | 795 | 795 | 0 |
| 115 | put | 5 | 5 | 0 |
| 120 | call | 179 | 179 | 0 |
| 120 | put | 9 | 9 | 0 |
| 125 | call | 216 | 216 | 0 |
| 125 | put | 3 | 3 | 0 |
| 130 | call | 174 | 174 | 0 |
| 130 | put | 1 | 1 | 0 |
| 135 | call | 64 | 64 | 0 |
| 135 | put | 1 | 1 | 0 |
| 140 | call | 333 | 333 | 0 |
| 140 | put | 1 | 1 | 0 |
| 145 | call | 70 | 70 | 0 |
| 145 | put | 1 | 1 | 0 |
| 150 | call | 1426 | 1426 | 0 |
| 150 | put | 1 | 1 | 0 |
| 155 | call | 57 | 57 | 0 |
| 155 | put | 1 | 1 | 0 |
| 160 | call | 85 | 85 | 0 |
| 160 | put | 10 | 10 | 0 |
| 165 | call | 93 | 93 | 0 |
| 170 | call | 76 | 76 | 0 |
| 175 | call | 3824 | 3824 | 0 |
| 180 | call | 38 | 38 | 0 |
| 185 | call | 34 | 34 | 0 |
| 190 | call | 13 | 13 | 0 |
| 195 | call | 74 | 74 | 0 |
| 200 | call | 56 | 56 | 0 |
| 210 | call | 25 | 25 | 0 |
| 220 | call | 23 | 23 | 0 |
| 230 | call | 6 | 6 | 0 |
| 240 | call | 5 | 5 | 0 |
| 250 | call | 33 | 33 | 0 |
| 260 | call | 5 | 5 | 0 |
| 270 | call | 30 | 30 | 0 |
| 290 | call | 41 | 41 | 0 |

## Expiration 2027-03-19

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 1 | 1 | 0 |
| 40 | put | 1281 | 1281 | 0 |
| 45 | call | 2 | 2 | 0 |
| 45 | put | 2567 | 2567 | 0 |
| 50 | call | 19 | 19 | 0 |
| 50 | put | 925 | 925 | 0 |
| 55 | call | 22 | 22 | 0 |
| 55 | put | 380 | 380 | 0 |
| 60 | call | 26 | 26 | 0 |
| 60 | put | 620 | 621 | +1 |
| 65 | call | 87 | 87 | 0 |
| 65 | put | 694 | 691 | -3 |
| 70 | call | 152 | 152 | 0 |
| 70 | put | 660 | 660 | 0 |
| 75 | call | 955 | 955 | 0 |
| 75 | put | 507 | 507 | 0 |
| 80 | call | 997 | 998 | +1 |
| 80 | put | 239 | 238 | -1 |
| 85 | call | 882 | 882 | 0 |
| 85 | put | 130 | 130 | 0 |
| 90 | call | 2243 | 2242 | -1 |
| 90 | put | 553 | 555 | +2 |
| 95 | call | 1008 | 1008 | 0 |
| 95 | put | 9 | 9 | 0 |
| 100 | call | 1211 | 1211 | 0 |
| 100 | put | 21 | 21 | 0 |
| 105 | call | 72 | 72 | 0 |
| 105 | put | 52 | 52 | 0 |
| 110 | call | 123 | 123 | 0 |
| 110 | put | 18 | 18 | 0 |
| 115 | call | 77 | 77 | 0 |
| 115 | put | 21 | 21 | 0 |
| 120 | call | 72 | 72 | 0 |
| 125 | call | 78 | 78 | 0 |
| 130 | call | 13 | 13 | 0 |
| 135 | call | 2 | 2 | 0 |
| 140 | call | 36 | 36 | 0 |
| 145 | call | 1 | 1 | 0 |
| 150 | call | 42 | 42 | 0 |
| 165 | call | 10 | 10 | 0 |
| 170 | call | 1 | 1 | 0 |

## Expiration 2027-04-16

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 45 | put | 483 | 483 | 0 |
| 50 | put | 10 | 14 | +4 |
| 55 | call | 2 | 2 | 0 |
| 55 | put | 26 | 30 | +4 |
| 60 | put | 75 | 75 | 0 |
| 65 | put | 78 | 80 | +2 |
| 70 | call | 8 | 8 | 0 |
| 70 | put | 75 | 75 | 0 |
| 75 | call | 6 | 6 | 0 |
| 75 | put | 47 | 47 | 0 |
| 80 | call | 238 | 238 | 0 |
| 80 | put | 59 | 89 | +30 |
| 85 | call | 28 | 28 | 0 |
| 85 | put | 2 | 18 | +16 |
| 90 | call | 12 | 16 | +4 |
| 95 | call | 8 | 10 | +2 |
| 100 | call | 78 | 78 | 0 |
| 105 | call | 8 | 8 | 0 |
| 110 | call | 12 | 12 | 0 |
| 115 | call | 29 | 29 | 0 |

## Expiration 2027-06-17

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 35 | 55 | +20 |
| 40 | put | 411 | 410 | -1 |
| 45 | call | 13 | 13 | 0 |
| 45 | put | 2 | 2 | 0 |
| 50 | call | 647 | 647 | 0 |
| 50 | put | 41 | 41 | 0 |
| 55 | call | 32 | 32 | 0 |
| 55 | put | 127 | 127 | 0 |
| 60 | call | 22 | 22 | 0 |
| 60 | put | 128 | 128 | 0 |
| 65 | call | 87 | 87 | 0 |
| 65 | put | 237 | 237 | 0 |
| 70 | call | 72 | 72 | 0 |
| 70 | put | 292 | 292 | 0 |
| 75 | call | 171 | 171 | 0 |
| 75 | put | 235 | 235 | 0 |
| 80 | call | 165 | 165 | 0 |
| 80 | put | 98 | 98 | 0 |
| 85 | call | 360 | 359 | -1 |
| 85 | put | 52 | 52 | 0 |
| 90 | call | 148 | 148 | 0 |
| 90 | put | 2 | 2 | 0 |
| 95 | call | 279 | 279 | 0 |
| 95 | put | 3 | 3 | 0 |
| 100 | call | 512 | 512 | 0 |
| 100 | put | 23 | 23 | 0 |
| 105 | call | 46 | 46 | 0 |
| 105 | put | 3 | 3 | 0 |
| 110 | call | 46 | 46 | 0 |
| 110 | put | 4 | 4 | 0 |
| 115 | call | 68 | 62 | -6 |
| 115 | put | 1 | 1 | 0 |

## Expiration 2027-09-17

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 63 | 63 | 0 |
| 40 | put | 1220 | 1220 | 0 |
| 45 | call | 1 | 1 | 0 |
| 45 | put | 3 | 3 | 0 |
| 50 | call | 4 | 4 | 0 |
| 50 | put | 13 | 13 | 0 |
| 55 | call | 8 | 8 | 0 |
| 55 | put | 10 | 10 | 0 |
| 60 | call | 31 | 31 | 0 |
| 60 | put | 16 | 16 | 0 |
| 65 | call | 12 | 11 | -1 |
| 65 | put | 93 | 93 | 0 |
| 70 | call | 18 | 18 | 0 |
| 70 | put | 45 | 45 | 0 |
| 75 | call | 132 | 132 | 0 |
| 75 | put | 7 | 7 | 0 |
| 80 | call | 54 | 55 | +1 |
| 80 | put | 5 | 5 | 0 |
| 85 | call | 28 | 28 | 0 |
| 85 | put | 7 | 7 | 0 |
| 90 | call | 52 | 52 | 0 |
| 90 | put | 1 | 1 | 0 |
| 95 | call | 6 | 6 | 0 |
| 100 | call | 102 | 102 | 0 |
| 100 | put | 1 | 1 | 0 |
| 105 | call | 30 | 30 | 0 |
| 110 | call | 15 | 15 | 0 |
| 110 | put | 1 | 1 | 0 |
| 115 | call | 17 | 17 | 0 |
| 115 | put | 1 | 1 | 0 |

## Expiration 2028-01-21

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 5094 | 5092 | -2 |
| 40 | put | 60 | 60 | 0 |
| 45 | call | 99 | 99 | 0 |
| 45 | put | 283 | 283 | 0 |
| 50 | call | 812 | 810 | -2 |
| 50 | put | 146 | 146 | 0 |
| 55 | call | 122 | 122 | 0 |
| 55 | put | 89 | 89 | 0 |
| 60 | call | 659 | 658 | -1 |
| 60 | put | 351 | 351 | 0 |
| 65 | call | 90 | 90 | 0 |
| 65 | put | 149 | 149 | 0 |
| 70 | call | 318 | 297 | -21 |
| 70 | put | 544 | 538 | -6 |
| 75 | call | 36774 | 36765 | -9 |
| 75 | put | 798 | 796 | -2 |
| 80 | call | 520 | 518 | -2 |
| 80 | put | 416 | 416 | 0 |
| 85 | call | 128 | 126 | -2 |
| 85 | put | 317 | 317 | 0 |
| 90 | call | 982 | 981 | -1 |
| 90 | put | 355 | 376 | +21 |
| 95 | call | 249 | 249 | 0 |
| 95 | put | 100 | 100 | 0 |
| 100 | call | 962 | 962 | 0 |
| 100 | put | 304 | 254 | -50 |
| 105 | call | 900 | 908 | +8 |
| 105 | put | 44 | 44 | 0 |
| 110 | call | 416 | 416 | 0 |
| 110 | put | 164 | 164 | 0 |
| 115 | call | 181 | 181 | 0 |
| 115 | put | 184 | 184 | 0 |
| 120 | call | 115 | 115 | 0 |
| 120 | put | 75 | 75 | 0 |
| 125 | call | 231 | 231 | 0 |
| 125 | put | 132 | 132 | 0 |
| 130 | call | 1277 | 1277 | 0 |
| 130 | put | 35 | 35 | 0 |
| 135 | call | 218 | 218 | 0 |
| 135 | put | 25 | 25 | 0 |
| 140 | call | 460 | 460 | 0 |
| 145 | call | 76 | 76 | 0 |
| 150 | call | 875 | 875 | 0 |
| 150 | put | 5 | 5 | 0 |
| 155 | call | 59 | 59 | 0 |
| 160 | call | 46 | 46 | 0 |
| 165 | call | 41 | 41 | 0 |
| 170 | call | 35 | 35 | 0 |
| 175 | call | 44 | 44 | 0 |
| 180 | call | 33 | 33 | 0 |
| 185 | call | 459 | 459 | 0 |
| 190 | call | 319 | 319 | 0 |
| 195 | call | 98 | 98 | 0 |
| 200 | call | 176 | 176 | 0 |
| 210 | call | 10 | 10 | 0 |
| 220 | call | 1525 | 1518 | -7 |
| 220 | put | 12 | 12 | 0 |

## Expiration 2029-01-19

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | call | 31 | 31 | 0 |
| 40 | put | 4 | 4 | 0 |
| 45 | call | 12 | 12 | 0 |
| 45 | put | 16 | 20 | +4 |
| 50 | call | 39 | 39 | 0 |
| 50 | put | 19 | 15 | -4 |
| 55 | put | 5 | 5 | 0 |
| 60 | call | 4 | 4 | 0 |
| 60 | put | 8 | 8 | 0 |
| 65 | call | 2 | 2 | 0 |
| 65 | put | 22 | 22 | 0 |
| 70 | call | 24 | 24 | 0 |
| 70 | put | 28 | 28 | 0 |
| 75 | call | 9 | 9 | 0 |
| 75 | put | 2 | 2 | 0 |
| 80 | call | 11 | 11 | 0 |
| 80 | put | 4 | 4 | 0 |
| 85 | call | 8 | 20 | +12 |
| 85 | put | 3 | 3 | 0 |
| 90 | call | 1 | 11 | +10 |
| 90 | put | 13 | 17 | +4 |
| 95 | call | 10 | 23 | +13 |
| 95 | put | 10 | 10 | 0 |
| 100 | call | 44 | 44 | 0 |
| 100 | put | 11 | 11 | 0 |
| 105 | call | 39 | 97 | +58 |
| 110 | call | 508 | 508 | 0 |
| 110 | put | 2 | 2 | 0 |

Source page: https://squawkflow.com/oi-changes/ZTS