# ZION 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 |
|---:|---|---:|---:|---:|
| 27.5 | put | 27 | 27 | 0 |
| 30 | put | 1 | 1 | 0 |
| 32.5 | put | 3 | 3 | 0 |
| 35 | put | 7 | 7 | 0 |
| 37.5 | put | 12 | 12 | 0 |
| 40 | put | 16 | 16 | 0 |
| 42.5 | put | 20 | 20 | 0 |
| 45 | call | 2 | 2 | 0 |
| 45 | put | 32 | 32 | 0 |
| 47.5 | put | 395 | 395 | 0 |
| 50 | call | 11 | 11 | 0 |
| 50 | put | 64 | 82 | +18 |
| 52.5 | call | 1 | 1 | 0 |
| 52.5 | put | 80 | 81 | +1 |
| 55 | call | 9 | 9 | 0 |
| 55 | put | 1027 | 1002 | -25 |
| 57.5 | call | 39 | 39 | 0 |
| 57.5 | put | 566 | 567 | +1 |
| 60 | call | 2039 | 2022 | -17 |
| 60 | put | 623 | 632 | +9 |
| 62.5 | call | 163 | 162 | -1 |
| 62.5 | put | 353 | 352 | -1 |
| 65 | call | 721 | 739 | +18 |
| 65 | put | 328 | 284 | -44 |
| 67.5 | call | 654 | 695 | +41 |
| 67.5 | put | 216 | 219 | +3 |
| 70 | call | 678 | 685 | +7 |
| 70 | put | 108 | 233 | +125 |
| 72.5 | call | 324 | 324 | 0 |
| 72.5 | put | 14 | 14 | 0 |
| 75 | call | 2430 | 2427 | -3 |
| 77.5 | call | 106 | 106 | 0 |
| 80 | call | 167 | 167 | 0 |
| 80 | put | 3 | 3 | 0 |
| 82.5 | call | 65 | 65 | 0 |
| 85 | call | 7 | 7 | 0 |

## Expiration 2026-12-18

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 52.5 | put | 0 | 3 | +3 |
| 55 | put | 19 | 20 | +1 |
| 57.5 | put | 2 | 4 | +2 |
| 62.5 | put | 1 | 1 | 0 |
| 65 | call | 0 | 1 | +1 |
| 65 | put | 0 | 17 | +17 |
| 70 | call | 0 | 66 | +66 |
| 75 | call | 0 | 1 | +1 |

## Expiration 2027-01-15

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 22.5 | put | 77 | 77 | 0 |
| 25 | put | 147 | 147 | 0 |
| 27.5 | put | 33 | 33 | 0 |
| 30 | put | 125 | 125 | 0 |
| 32.5 | put | 49 | 49 | 0 |
| 35 | call | 6 | 6 | 0 |
| 35 | put | 453 | 453 | 0 |
| 37.5 | call | 5 | 5 | 0 |
| 37.5 | put | 69 | 69 | 0 |
| 40 | call | 123 | 123 | 0 |
| 40 | put | 592 | 592 | 0 |
| 42.5 | call | 4 | 4 | 0 |
| 42.5 | put | 31 | 31 | 0 |
| 45 | call | 115 | 115 | 0 |
| 45 | put | 330 | 330 | 0 |
| 47.5 | call | 36 | 36 | 0 |
| 47.5 | put | 1117 | 1117 | 0 |
| 50 | call | 71 | 71 | 0 |
| 50 | put | 157 | 157 | 0 |
| 52.5 | call | 43 | 43 | 0 |
| 52.5 | put | 410 | 412 | +2 |
| 55 | call | 54 | 54 | 0 |
| 55 | put | 601 | 602 | +1 |
| 57.5 | call | 32 | 32 | 0 |
| 57.5 | put | 52 | 603 | +551 |
| 60 | call | 221 | 221 | 0 |
| 60 | put | 1113 | 1113 | 0 |
| 62.5 | call | 53 | 53 | 0 |
| 62.5 | put | 324 | 324 | 0 |
| 65 | call | 93 | 93 | 0 |
| 65 | put | 164 | 164 | 0 |
| 67.5 | call | 447 | 455 | +8 |
| 67.5 | put | 16 | 44 | +28 |
| 70 | call | 1327 | 1328 | +1 |
| 70 | put | 37 | 37 | 0 |
| 72.5 | call | 461 | 461 | 0 |
| 72.5 | put | 1 | 1 | 0 |
| 75 | call | 318 | 317 | -1 |
| 77.5 | call | 21 | 21 | 0 |
| 80 | call | 304 | 303 | -1 |
| 85 | call | 110 | 110 | 0 |
| 90 | call | 23 | 23 | 0 |
| 95 | call | 1 | 1 | 0 |

## Expiration 2027-02-19

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 37.5 | put | 5 | 6 | +1 |
| 40 | call | 8 | 8 | 0 |
| 40 | put | 2 | 2 | 0 |
| 42.5 | put | 9 | 9 | 0 |
| 45 | put | 2 | 2 | 0 |
| 47.5 | put | 5 | 5 | 0 |
| 50 | put | 1 | 1 | 0 |
| 55 | call | 1 | 1 | 0 |
| 55 | put | 147 | 147 | 0 |
| 57.5 | put | 19 | 19 | 0 |
| 60 | call | 11 | 11 | 0 |
| 60 | put | 60 | 60 | 0 |
| 62.5 | call | 96 | 96 | 0 |
| 62.5 | put | 2196 | 2196 | 0 |
| 65 | call | 38 | 38 | 0 |
| 65 | put | 238 | 238 | 0 |
| 67.5 | call | 327 | 327 | 0 |
| 67.5 | put | 131 | 131 | 0 |
| 70 | call | 305 | 305 | 0 |
| 70 | put | 152 | 152 | 0 |
| 72.5 | call | 207 | 207 | 0 |
| 72.5 | put | 19 | 19 | 0 |
| 75 | call | 133 | 188 | +55 |
| 75 | put | 47 | 47 | 0 |
| 77.5 | call | 47 | 47 | 0 |
| 80 | call | 296 | 296 | 0 |

## Expiration 2027-04-16

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 40 | put | 13 | 13 | 0 |
| 42.5 | put | 16 | 16 | 0 |
| 45 | put | 4 | 4 | 0 |
| 47.5 | put | 1 | 1 | 0 |
| 50 | put | 32 | 32 | 0 |
| 55 | call | 15 | 15 | 0 |
| 55 | put | 4 | 4 | 0 |
| 60 | put | 4 | 4 | 0 |
| 62.5 | call | 12 | 12 | 0 |
| 62.5 | put | 260 | 260 | 0 |
| 65 | call | 9 | 9 | 0 |
| 65 | put | 3 | 3 | 0 |
| 67.5 | call | 3 | 3 | 0 |
| 67.5 | put | 46 | 46 | 0 |
| 70 | call | 203 | 228 | +25 |
| 70 | put | 11 | 11 | 0 |
| 72.5 | call | 151 | 151 | 0 |
| 72.5 | put | 2 | 2 | 0 |
| 75 | call | 51 | 51 | 0 |
| 77.5 | call | 109 | 109 | 0 |
| 80 | call | 97 | 97 | 0 |

## Expiration 2027-05-21

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 35 | call | 8 | 8 | 0 |
| 37.5 | put | 2 | 2 | 0 |
| 40 | put | 13 | 13 | 0 |
| 42.5 | call | 2 | 2 | 0 |
| 42.5 | put | 7 | 7 | 0 |
| 45 | put | 17 | 17 | 0 |
| 47.5 | put | 52 | 52 | 0 |
| 50 | put | 1 | 1 | 0 |
| 52.5 | put | 1 | 1 | 0 |
| 55 | call | 1 | 1 | 0 |
| 55 | put | 8 | 8 | 0 |
| 57.5 | call | 10 | 10 | 0 |
| 60 | call | 45 | 45 | 0 |
| 60 | put | 10 | 10 | 0 |
| 62.5 | call | 2 | 2 | 0 |
| 62.5 | put | 1 | 1 | 0 |
| 65 | put | 18 | 18 | 0 |
| 67.5 | call | 10 | 10 | 0 |
| 67.5 | put | 18 | 18 | 0 |
| 70 | call | 5 | 5 | 0 |
| 70 | put | 38 | 38 | 0 |
| 72.5 | call | 2 | 2 | 0 |
| 75 | call | 15 | 15 | 0 |
| 77.5 | call | 5 | 7 | +2 |
| 80 | call | 53 | 53 | 0 |
| 85 | call | 1 | 1 | 0 |

## Expiration 2028-01-21

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 27.5 | put | 19 | 19 | 0 |
| 30 | call | 3 | 3 | 0 |
| 30 | put | 15 | 15 | 0 |
| 32.5 | call | 23 | 23 | 0 |
| 32.5 | put | 30 | 30 | 0 |
| 35 | call | 2 | 2 | 0 |
| 35 | put | 9 | 9 | 0 |
| 37.5 | put | 9 | 13 | +4 |
| 40 | put | 4 | 4 | 0 |
| 42.5 | put | 5 | 5 | 0 |
| 45 | call | 21 | 21 | 0 |
| 45 | put | 17 | 17 | 0 |
| 47.5 | put | 10 | 10 | 0 |
| 50 | call | 12 | 12 | 0 |
| 50 | put | 106 | 106 | 0 |
| 52.5 | call | 17 | 17 | 0 |
| 52.5 | put | 12 | 12 | 0 |
| 55 | call | 123 | 123 | 0 |
| 55 | put | 45 | 45 | 0 |
| 57.5 | call | 10 | 10 | 0 |
| 57.5 | put | 21 | 21 | 0 |
| 60 | call | 81 | 81 | 0 |
| 60 | put | 4 | 4 | 0 |
| 62.5 | call | 5 | 5 | 0 |
| 62.5 | put | 3 | 3 | 0 |
| 65 | call | 50 | 50 | 0 |
| 67.5 | call | 15 | 15 | 0 |
| 70 | call | 44 | 44 | 0 |
| 70 | put | 36 | 36 | 0 |
| 72.5 | call | 64 | 64 | 0 |
| 75 | call | 115 | 115 | 0 |
| 77.5 | call | 87 | 87 | 0 |
| 80 | call | 135 | 135 | 0 |
| 82.5 | call | 9 | 9 | 0 |
| 85 | call | 2 | 2 | 0 |
| 90 | call | 6 | 6 | 0 |
| 95 | call | 5 | 5 | 0 |
| 100 | call | 1 | 1 | 0 |

## Expiration 2028-12-15

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 27.5 | put | 405 | 405 | 0 |
| 30 | call | 11 | 11 | 0 |
| 30 | put | 16 | 16 | 0 |
| 32.5 | put | 10 | 10 | 0 |
| 35 | call | 2 | 2 | 0 |
| 35 | put | 9 | 9 | 0 |
| 37.5 | put | 521 | 521 | 0 |
| 40 | call | 1 | 1 | 0 |
| 40 | put | 60 | 60 | 0 |
| 42.5 | call | 66 | 66 | 0 |
| 42.5 | put | 21 | 21 | 0 |
| 45 | call | 25 | 25 | 0 |
| 47.5 | put | 6 | 6 | 0 |
| 50 | call | 60 | 60 | 0 |
| 52.5 | call | 25 | 25 | 0 |
| 55 | call | 8 | 8 | 0 |
| 55 | put | 2 | 2 | 0 |
| 60 | call | 54 | 54 | 0 |
| 60 | put | 5 | 5 | 0 |
| 62.5 | call | 3 | 3 | 0 |
| 65 | call | 33 | 33 | 0 |
| 65 | put | 1 | 1 | 0 |
| 67.5 | call | 2 | 2 | 0 |
| 70 | call | 25 | 25 | 0 |
| 70 | put | 2 | 2 | 0 |
| 72.5 | call | 3 | 3 | 0 |
| 72.5 | put | 6 | 6 | 0 |
| 75 | call | 7 | 7 | 0 |
| 75 | put | 7 | 7 | 0 |
| 80 | call | 26 | 26 | 0 |
| 80 | put | 1 | 1 | 0 |
| 85 | call | 25 | 25 | 0 |
| 90 | call | 3 | 3 | 0 |
| 95 | call | 1 | 1 | 0 |
| 100 | call | 251 | 251 | 0 |
| 105 | call | 97 | 97 | 0 |

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