# ILMN 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 |
|---:|---|---:|---:|---:|
| 145 | call | 1 | 1 | 0 |
| 150 | call | 4 | 4 | 0 |
| 150 | put | 5 | 5 | 0 |
| 155 | call | 1 | 1 | 0 |
| 155 | put | 5 | 5 | 0 |
| 160 | call | 5 | 5 | 0 |
| 160 | put | 4 | 4 | 0 |
| 165 | call | 1 | 1 | 0 |
| 165 | put | 6 | 6 | 0 |
| 170 | call | 1 | 1 | 0 |
| 170 | put | 6 | 21 | +15 |
| 175 | call | 1 | 1 | 0 |
| 175 | put | 20 | 20 | 0 |
| 180 | call | 2 | 2 | 0 |
| 180 | put | 19 | 29 | +10 |
| 185 | call | 10 | 10 | 0 |
| 185 | put | 10 | 10 | 0 |
| 190 | call | 8 | 8 | 0 |
| 190 | put | 42 | 42 | 0 |
| 195 | call | 7 | 7 | 0 |
| 195 | put | 26 | 34 | +8 |
| 200 | call | 38 | 38 | 0 |
| 200 | put | 88 | 96 | +8 |
| 210 | call | 38 | 38 | 0 |
| 210 | put | 103 | 108 | +5 |
| 220 | call | 20 | 20 | 0 |
| 220 | put | 98 | 106 | +8 |
| 230 | call | 10 | 10 | 0 |
| 230 | put | 344 | 344 | 0 |
| 240 | call | 36 | 36 | 0 |
| 240 | put | 988 | 1016 | +28 |
| 250 | call | 47 | 50 | +3 |
| 250 | put | 103 | 121 | +18 |
| 260 | call | 76 | 110 | +34 |
| 260 | put | 595 | 598 | +3 |
| 270 | call | 107 | 108 | +1 |
| 270 | put | 113 | 113 | 0 |
| 280 | call | 272 | 311 | +39 |
| 280 | put | 188 | 188 | 0 |
| 290 | call | 878 | 897 | +19 |
| 290 | put | 308 | 308 | 0 |
| 300 | call | 109 | 121 | +12 |
| 300 | put | 1003 | 1003 | 0 |
| 310 | call | 52 | 54 | +2 |
| 310 | put | 3 | 3 | 0 |
| 320 | call | 79 | 79 | 0 |
| 320 | put | 3 | 3 | 0 |
| 330 | call | 120 | 122 | +2 |
| 330 | put | 2 | 2 | 0 |
| 340 | call | 168 | 174 | +6 |
| 350 | call | 99 | 101 | +2 |
| 360 | call | 25 | 27 | +2 |
| 360 | put | 1 | 1 | 0 |
| 370 | call | 0 | 2 | +2 |
| 380 | call | 9 | 11 | +2 |
| 380 | put | 1 | 1 | 0 |
| 390 | call | 36 | 39 | +3 |
| 400 | call | 1 | 1 | 0 |
| 420 | call | 3 | 3 | 0 |
| 430 | call | 1 | 1 | 0 |
| 440 | call | 129 | 129 | 0 |

## Expiration 2026-12-18

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 65 | put | 40 | 40 | 0 |
| 70 | call | 5 | 5 | 0 |
| 70 | put | 10 | 10 | 0 |
| 75 | call | 4 | 4 | 0 |
| 85 | call | 3 | 3 | 0 |
| 90 | call | 8 | 8 | 0 |
| 90 | put | 1 | 1 | 0 |
| 95 | call | 21 | 21 | 0 |
| 100 | call | 8 | 8 | 0 |
| 100 | put | 7 | 7 | 0 |
| 105 | call | 1 | 1 | 0 |
| 105 | put | 8 | 8 | 0 |
| 110 | call | 10 | 10 | 0 |
| 110 | put | 35 | 35 | 0 |
| 115 | call | 4 | 4 | 0 |
| 115 | put | 4 | 4 | 0 |
| 120 | call | 19 | 19 | 0 |
| 120 | put | 8 | 8 | 0 |
| 125 | call | 4 | 4 | 0 |
| 125 | put | 14 | 14 | 0 |
| 130 | call | 15 | 15 | 0 |
| 130 | put | 20 | 20 | 0 |
| 135 | call | 10 | 10 | 0 |
| 135 | put | 40 | 40 | 0 |
| 140 | call | 4 | 4 | 0 |
| 140 | put | 6 | 6 | 0 |
| 145 | call | 33 | 33 | 0 |
| 145 | put | 54 | 54 | 0 |
| 150 | call | 6 | 6 | 0 |
| 150 | put | 39 | 39 | 0 |
| 155 | call | 50 | 50 | 0 |
| 155 | put | 25 | 25 | 0 |
| 160 | call | 53 | 53 | 0 |
| 160 | put | 24 | 24 | 0 |
| 165 | call | 17 | 17 | 0 |
| 165 | put | 5 | 5 | 0 |
| 170 | call | 35 | 35 | 0 |
| 170 | put | 27 | 27 | 0 |
| 175 | call | 14 | 14 | 0 |
| 175 | put | 41 | 42 | +1 |
| 180 | call | 28 | 28 | 0 |
| 180 | put | 15 | 15 | 0 |
| 185 | call | 116 | 116 | 0 |
| 185 | put | 12 | 12 | 0 |
| 190 | call | 132 | 132 | 0 |
| 190 | put | 61 | 60 | -1 |
| 195 | call | 54 | 54 | 0 |
| 195 | put | 172 | 172 | 0 |
| 200 | call | 78 | 78 | 0 |
| 200 | put | 43 | 43 | 0 |
| 210 | call | 279 | 279 | 0 |
| 210 | put | 71 | 71 | 0 |
| 220 | call | 752 | 752 | 0 |
| 220 | put | 51 | 51 | 0 |
| 230 | call | 166 | 166 | 0 |
| 230 | put | 154 | 153 | -1 |
| 240 | call | 203 | 203 | 0 |
| 240 | put | 30 | 30 | 0 |
| 250 | call | 127 | 127 | 0 |
| 250 | put | 45 | 45 | 0 |
| 260 | call | 72 | 71 | -1 |
| 260 | put | 209 | 209 | 0 |
| 270 | call | 34 | 34 | 0 |
| 270 | put | 95 | 95 | 0 |
| 280 | call | 82 | 82 | 0 |
| 280 | put | 71 | 71 | 0 |
| 290 | call | 94 | 94 | 0 |
| 290 | put | 62 | 62 | 0 |
| 300 | call | 228 | 229 | +1 |
| 300 | put | 13 | 12 | -1 |
| 310 | call | 37 | 40 | +3 |
| 320 | call | 167 | 167 | 0 |
| 330 | call | 63 | 64 | +1 |
| 340 | call | 76 | 76 | 0 |
| 350 | call | 143 | 145 | +2 |
| 360 | call | 5 | 5 | 0 |
| 370 | call | 3 | 4 | +1 |
| 380 | call | 4 | 6 | +2 |
| 400 | call | 3 | 3 | 0 |
| 410 | call | 4 | 4 | 0 |
| 420 | put | 1 | 1 | 0 |
| 430 | call | 23 | 23 | 0 |
| 430 | put | 2 | 2 | 0 |
| 440 | call | 1 | 1 | 0 |

## Expiration 2027-01-15

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 35 | call | 3 | 3 | 0 |
| 35 | put | 1 | 1 | 0 |
| 40 | call | 1 | 1 | 0 |
| 40 | put | 8 | 8 | 0 |
| 45 | call | 7 | 7 | 0 |
| 45 | put | 13 | 13 | 0 |
| 50 | call | 12 | 12 | 0 |
| 50 | put | 11 | 11 | 0 |
| 55 | call | 11 | 11 | 0 |
| 55 | put | 29 | 29 | 0 |
| 60 | call | 36 | 36 | 0 |
| 60 | put | 56 | 56 | 0 |
| 65 | call | 4 | 4 | 0 |
| 65 | put | 22 | 22 | 0 |
| 70 | call | 34 | 34 | 0 |
| 70 | put | 65 | 65 | 0 |
| 75 | call | 53 | 53 | 0 |
| 75 | put | 44 | 44 | 0 |
| 80 | call | 9 | 9 | 0 |
| 80 | put | 127 | 127 | 0 |
| 85 | call | 30 | 30 | 0 |
| 85 | put | 17 | 17 | 0 |
| 90 | call | 35 | 35 | 0 |
| 90 | put | 50 | 50 | 0 |
| 95 | call | 57 | 57 | 0 |
| 95 | put | 34 | 34 | 0 |
| 100 | call | 77 | 77 | 0 |
| 100 | put | 81 | 81 | 0 |
| 105 | call | 19 | 19 | 0 |
| 105 | put | 20 | 20 | 0 |
| 110 | call | 126 | 125 | -1 |
| 110 | put | 210 | 210 | 0 |
| 115 | call | 18 | 18 | 0 |
| 115 | put | 128 | 128 | 0 |
| 120 | call | 17 | 17 | 0 |
| 120 | put | 89 | 89 | 0 |
| 125 | call | 41 | 41 | 0 |
| 125 | put | 48 | 48 | 0 |
| 130 | call | 196 | 196 | 0 |
| 130 | put | 99 | 99 | 0 |
| 135 | call | 170 | 170 | 0 |
| 135 | put | 74 | 74 | 0 |
| 140 | call | 73 | 73 | 0 |
| 140 | put | 74 | 74 | 0 |
| 145 | call | 46 | 46 | 0 |
| 145 | put | 30 | 30 | 0 |
| 150 | call | 530 | 530 | 0 |
| 150 | put | 53 | 53 | 0 |
| 155 | call | 89 | 89 | 0 |
| 155 | put | 19 | 19 | 0 |
| 160 | call | 84 | 84 | 0 |
| 160 | put | 14 | 14 | 0 |
| 165 | call | 39 | 39 | 0 |
| 165 | put | 36 | 36 | 0 |
| 170 | call | 619 | 619 | 0 |
| 170 | put | 186 | 186 | 0 |
| 175 | call | 48 | 48 | 0 |
| 175 | put | 40 | 42 | +2 |
| 180 | call | 487 | 487 | 0 |
| 180 | put | 112 | 112 | 0 |
| 185 | call | 44 | 44 | 0 |
| 185 | put | 7 | 7 | 0 |
| 190 | call | 133 | 133 | 0 |
| 190 | put | 183 | 183 | 0 |
| 195 | call | 50 | 50 | 0 |
| 195 | put | 29 | 29 | 0 |
| 200 | call | 146 | 146 | 0 |
| 200 | put | 117 | 117 | 0 |
| 210 | call | 149 | 149 | 0 |
| 210 | put | 81 | 81 | 0 |
| 220 | call | 203 | 203 | 0 |
| 220 | put | 63 | 63 | 0 |
| 230 | call | 1311 | 1311 | 0 |
| 230 | put | 30 | 31 | +1 |
| 240 | call | 119 | 119 | 0 |
| 240 | put | 37 | 37 | 0 |
| 250 | call | 61 | 60 | -1 |
| 250 | put | 53 | 53 | 0 |
| 260 | call | 66 | 65 | -1 |
| 260 | put | 26 | 26 | 0 |
| 270 | call | 83 | 84 | +1 |
| 270 | put | 8 | 8 | 0 |
| 280 | call | 35 | 35 | 0 |
| 280 | put | 54 | 54 | 0 |
| 290 | call | 156 | 155 | -1 |
| 290 | put | 66 | 66 | 0 |
| 300 | call | 173 | 173 | 0 |
| 300 | put | 13 | 13 | 0 |
| 310 | call | 9 | 9 | 0 |
| 310 | put | 2 | 2 | 0 |
| 320 | call | 20 | 20 | 0 |
| 330 | call | 99 | 97 | -2 |
| 340 | call | 99 | 99 | 0 |
| 350 | call | 219 | 219 | 0 |
| 360 | call | 37 | 36 | -1 |
| 360 | put | 1 | 1 | 0 |
| 370 | call | 146 | 146 | 0 |
| 380 | call | 15 | 15 | 0 |
| 390 | call | 3 | 3 | 0 |
| 400 | call | 17 | 17 | 0 |
| 410 | call | 1 | 1 | 0 |
| 420 | call | 1 | 1 | 0 |

## Expiration 2027-03-19

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 105 | put | 1 | 1 | 0 |
| 110 | put | 8 | 8 | 0 |
| 115 | call | 1 | 1 | 0 |
| 115 | put | 1 | 1 | 0 |
| 120 | put | 2 | 2 | 0 |
| 125 | put | 11 | 11 | 0 |
| 130 | call | 15 | 15 | 0 |
| 135 | call | 6 | 6 | 0 |
| 135 | put | 8 | 9 | +1 |
| 140 | put | 2 | 4 | +2 |
| 145 | call | 1 | 1 | 0 |
| 145 | put | 10 | 10 | 0 |
| 150 | call | 2 | 2 | 0 |
| 150 | put | 20 | 20 | 0 |
| 155 | put | 2 | 4 | +2 |
| 160 | call | 3 | 3 | 0 |
| 160 | put | 2 | 3 | +1 |
| 165 | call | 1 | 1 | 0 |
| 165 | put | 6 | 6 | 0 |
| 170 | call | 2 | 2 | 0 |
| 170 | put | 8 | 8 | 0 |
| 175 | call | 4 | 4 | 0 |
| 175 | put | 16 | 16 | 0 |
| 180 | call | 2 | 2 | 0 |
| 180 | put | 53 | 53 | 0 |
| 185 | call | 1 | 1 | 0 |
| 185 | put | 24 | 24 | 0 |
| 190 | call | 3 | 3 | 0 |
| 190 | put | 29 | 29 | 0 |
| 195 | call | 2 | 2 | 0 |
| 195 | put | 20 | 20 | 0 |
| 200 | call | 9 | 9 | 0 |
| 200 | put | 45 | 45 | 0 |
| 210 | call | 6 | 6 | 0 |
| 210 | put | 22 | 22 | 0 |
| 220 | call | 26 | 26 | 0 |
| 220 | put | 1 | 1 | 0 |
| 230 | call | 39 | 39 | 0 |
| 230 | put | 4 | 4 | 0 |
| 240 | call | 43 | 43 | 0 |
| 240 | put | 14 | 14 | 0 |
| 250 | call | 27 | 27 | 0 |
| 250 | put | 2 | 2 | 0 |
| 260 | call | 26 | 26 | 0 |
| 260 | put | 24 | 24 | 0 |
| 270 | call | 22 | 22 | 0 |
| 270 | put | 4 | 4 | 0 |
| 280 | call | 8 | 8 | 0 |
| 280 | put | 6 | 6 | 0 |
| 290 | call | 9 | 9 | 0 |
| 290 | put | 2 | 2 | 0 |
| 300 | call | 105 | 105 | 0 |
| 300 | put | 5 | 5 | 0 |
| 310 | call | 3 | 3 | 0 |
| 310 | put | 1 | 1 | 0 |
| 320 | call | 7 | 7 | 0 |
| 330 | call | 3 | 3 | 0 |
| 340 | call | 8 | 8 | 0 |
| 350 | call | 91 | 91 | 0 |
| 360 | call | 4 | 4 | 0 |
| 370 | call | 1 | 1 | 0 |
| 380 | call | 7 | 7 | 0 |
| 390 | call | 2 | 2 | 0 |
| 400 | call | 32 | 32 | 0 |
| 410 | call | 3 | 3 | 0 |
| 420 | call | 0 | 1 | +1 |

## Expiration 2027-06-17

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 85 | put | 1 | 1 | 0 |
| 90 | call | 5 | 5 | 0 |
| 100 | put | 25 | 25 | 0 |
| 105 | put | 1 | 1 | 0 |
| 110 | put | 4 | 4 | 0 |
| 115 | put | 1 | 1 | 0 |
| 120 | call | 5 | 5 | 0 |
| 120 | put | 3 | 3 | 0 |
| 125 | put | 1 | 1 | 0 |
| 130 | put | 3 | 3 | 0 |
| 135 | put | 5 | 5 | 0 |
| 140 | call | 3 | 3 | 0 |
| 140 | put | 1 | 1 | 0 |
| 145 | put | 5 | 5 | 0 |
| 150 | call | 4 | 4 | 0 |
| 150 | put | 3 | 3 | 0 |
| 155 | call | 1 | 1 | 0 |
| 155 | put | 4 | 4 | 0 |
| 160 | call | 50 | 50 | 0 |
| 160 | put | 48 | 48 | 0 |
| 165 | call | 1 | 1 | 0 |
| 165 | put | 12 | 12 | 0 |
| 170 | call | 4 | 4 | 0 |
| 170 | put | 11 | 11 | 0 |
| 175 | call | 6 | 6 | 0 |
| 175 | put | 8 | 8 | 0 |
| 180 | call | 20 | 20 | 0 |
| 180 | put | 7 | 7 | 0 |
| 185 | call | 3 | 3 | 0 |
| 185 | put | 20 | 20 | 0 |
| 190 | call | 1 | 1 | 0 |
| 190 | put | 9 | 9 | 0 |
| 195 | call | 1 | 1 | 0 |
| 195 | put | 12 | 12 | 0 |
| 200 | call | 8 | 8 | 0 |
| 200 | put | 450 | 450 | 0 |
| 210 | call | 263 | 263 | 0 |
| 210 | put | 10 | 10 | 0 |
| 220 | call | 75 | 75 | 0 |
| 220 | put | 21 | 21 | 0 |
| 230 | call | 36 | 36 | 0 |
| 230 | put | 1 | 1 | 0 |
| 240 | call | 27 | 27 | 0 |
| 240 | put | 2 | 2 | 0 |
| 250 | call | 14 | 14 | 0 |
| 250 | put | 10 | 10 | 0 |
| 260 | call | 48 | 48 | 0 |
| 260 | put | 64 | 64 | 0 |
| 270 | call | 10 | 10 | 0 |
| 270 | put | 32 | 32 | 0 |
| 280 | call | 10 | 10 | 0 |
| 280 | put | 1 | 1 | 0 |
| 290 | call | 71 | 72 | +1 |
| 300 | call | 22 | 22 | 0 |
| 300 | put | 3 | 3 | 0 |
| 310 | call | 112 | 114 | +2 |
| 320 | call | 2 | 2 | 0 |
| 330 | call | 4 | 4 | 0 |
| 340 | call | 2 | 2 | 0 |
| 350 | call | 19 | 19 | 0 |
| 360 | call | 11 | 11 | 0 |
| 380 | call | 11 | 11 | 0 |
| 390 | call | 1 | 1 | 0 |
| 400 | call | 53 | 53 | 0 |

## Expiration 2028-01-21

| Strike | Type | Prior OI | Settled OI | Change |
|---:|---|---:|---:|---:|
| 55 | call | 6 | 6 | 0 |
| 55 | put | 48 | 48 | 0 |
| 60 | call | 10 | 10 | 0 |
| 60 | put | 4 | 4 | 0 |
| 65 | call | 14 | 14 | 0 |
| 65 | put | 5 | 5 | 0 |
| 70 | call | 1 | 1 | 0 |
| 70 | put | 26 | 26 | 0 |
| 75 | put | 13 | 13 | 0 |
| 80 | call | 19 | 19 | 0 |
| 80 | put | 6 | 6 | 0 |
| 85 | put | 9 | 9 | 0 |
| 90 | call | 7 | 7 | 0 |
| 90 | put | 13 | 13 | 0 |
| 95 | call | 1 | 1 | 0 |
| 95 | put | 30 | 30 | 0 |
| 100 | call | 25 | 25 | 0 |
| 100 | put | 15 | 15 | 0 |
| 105 | call | 1 | 1 | 0 |
| 105 | put | 51 | 51 | 0 |
| 110 | call | 1 | 1 | 0 |
| 110 | put | 30 | 30 | 0 |
| 115 | call | 36 | 36 | 0 |
| 115 | put | 17 | 17 | 0 |
| 120 | call | 39 | 39 | 0 |
| 120 | put | 17 | 17 | 0 |
| 125 | call | 14 | 14 | 0 |
| 125 | put | 27 | 27 | 0 |
| 130 | call | 28 | 28 | 0 |
| 130 | put | 12 | 12 | 0 |
| 135 | call | 21 | 21 | 0 |
| 135 | put | 2 | 2 | 0 |
| 140 | call | 61 | 61 | 0 |
| 145 | call | 22 | 22 | 0 |
| 150 | call | 174 | 174 | 0 |
| 150 | put | 13 | 13 | 0 |
| 155 | call | 9 | 9 | 0 |
| 160 | call | 72 | 72 | 0 |
| 165 | call | 7 | 7 | 0 |
| 165 | put | 21 | 21 | 0 |
| 170 | call | 12 | 12 | 0 |
| 170 | put | 3 | 3 | 0 |
| 175 | call | 35 | 35 | 0 |
| 175 | put | 9 | 9 | 0 |
| 180 | call | 38 | 38 | 0 |
| 180 | put | 12 | 12 | 0 |
| 185 | call | 19 | 19 | 0 |
| 185 | put | 2 | 2 | 0 |
| 190 | call | 30 | 30 | 0 |
| 190 | put | 2 | 2 | 0 |
| 195 | call | 28 | 28 | 0 |
| 195 | put | 1 | 1 | 0 |
| 200 | call | 60 | 60 | 0 |
| 200 | put | 17 | 17 | 0 |
| 210 | call | 23 | 23 | 0 |
| 210 | put | 21 | 21 | 0 |
| 220 | call | 26 | 26 | 0 |
| 220 | put | 6 | 6 | 0 |
| 230 | call | 47 | 47 | 0 |
| 230 | put | 3 | 3 | 0 |
| 240 | call | 9 | 9 | 0 |
| 240 | put | 11 | 11 | 0 |
| 250 | call | 31 | 31 | 0 |
| 250 | put | 6 | 6 | 0 |
| 260 | call | 8 | 8 | 0 |
| 270 | call | 13 | 13 | 0 |
| 280 | call | 6 | 6 | 0 |
| 290 | call | 24 | 24 | 0 |
| 300 | call | 31 | 31 | 0 |
| 300 | put | 6 | 6 | 0 |
| 310 | call | 4 | 4 | 0 |
| 320 | call | 3 | 3 | 0 |
| 330 | put | 2 | 2 | 0 |
| 340 | call | 23 | 23 | 0 |
| 340 | put | 3 | 3 | 0 |
| 350 | call | 43 | 43 | 0 |
| 360 | call | 4 | 4 | 0 |
| 380 | call | 1 | 1 | 0 |
| 400 | call | 25 | 25 | 0 |
| 410 | call | 5 | 5 | 0 |
| 420 | call | 35 | 35 | 0 |

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