Biogen Inc BIIB 254.46 5.53 2.22%
ATM IV
0.494
Put Call Ratio (OI)
0.995
Put Call Ratio (Vol)
1.1
IV Rank
76.5
IV Percentile
98.4
Max pain
250
Volume distribution (2026-11-04)
View values by strike
| Strike | Calls | Puts |
|---|---|---|
| 60.00 | 5 | 9 |
| 65.00 | 3 | 1 |
| 70.00 | 3 | 6 |
| 75.00 | 2 | 505 |
| 80.00 | 38 | 12 |
| 85.00 | 3 | 2 |
| 90.00 | 6 | 18 |
| 95.00 | 7 | 41 |
| 100.00 | 7 | 31 |
| 105.00 | 7 | 6 |
| 110.00 | 9 | 34 |
| 115.00 | 5 | 42 |
| 120.00 | 3 | 8 |
| 125.00 | 14 | 8 |
| 130.00 | 8 | 29 |
| 135.00 | 9 | 14 |
| 140.00 | 19 | 48 |
| 145.00 | 13 | 12 |
| 150.00 | 15 | 204 |
| 155.00 | 46 | 12 |
| 160.00 | 12 | 44 |
| 165.00 | 19 | 88 |
| 170.00 | 47 | 24 |
| 175.00 | 24 | 29 |
| 180.00 | 15 | 73 |
| 185.00 | 7 | 71 |
| 190.00 | 10 | 23 |
| 195.00 | 13 | 399 |
| 200.00 | 12 | 33 |
| 205.00 | 2 | 13 |
| 210.00 | 344 | 36 |
| 212.50 | 0 | 1 |
| 215.00 | 6 | 6 |
| 217.50 | 0 | 4 |
| 220.00 | 356 | 30 |
| 222.50 | 2 | 0 |
| 225.00 | 13 | 20 |
| 227.50 | 1 | 8 |
| 230.00 | 29 | 66 |
| 232.50 | 1 | 8 |
| 235.00 | 51 | 25 |
| 237.50 | 2 | 8 |
| 240.00 | 34 | 73 |
| 242.50 | 4 | 3 |
| 245.00 | 41 | 72 |
| 247.50 | 4 | 126 |
| 250.00 | 105 | 371 |
| 252.50 | 22 | 9 |
| 255.00 | 77 | 245 |
| 257.50 | 20 | 20 |
| 260.00 | 88 | 297 |
| 262.50 | 4 | 4 |
| 265.00 | 23 | 1 |
| 267.50 | 2 | 0 |
| 270.00 | 68 | 19 |
| 272.50 | 1 | 0 |
| 275.00 | 238 | 4 |
| 280.00 | 322 | 24 |
| 282.50 | 1 | 2 |
| 285.00 | 120 | 1 |
| 290.00 | 110 | 5 |
| 295.00 | 19 | 0 |
| 300.00 | 225 | 4 |
| 305.00 | 1 | 3 |
| 310.00 | 45 | 1 |
| 315.00 | 5 | 0 |
| 320.00 | 320 | 0 |
| 330.00 | 18 | 1 |
| 340.00 | 210 | 0 |
| 350.00 | 8 | 0 |
| 360.00 | 3 | 0 |