Chain
BIIB options
Options Chain
Active BIIB contracts expiring in the next 7–45 days, strikes within ±25% of the current price.
| Expiration | Days to expiry | Contracts |
|---|---|---|
| 2026-08-07 | 8 | 66 |
| 2026-08-14 | 15 | 64 |
| 2026-08-21 | 22 | 64 |
| 2026-08-28 | 29 | 6 |
| Type | Strike | Expiry | Open interest | Close |
|---|---|---|---|---|
| Call | $165.00 | 2026-08-07 | — | $44.60 |
| Call | $170.00 | 2026-08-07 | — | — |
| Call | $175.00 | 2026-08-07 | — | — |
| Call | $177.50 | 2026-08-07 | — | — |
| Call | $180.00 | 2026-08-07 | 10 | $18.41 |
| Call | $182.50 | 2026-08-07 | — | — |
| Call | $185.00 | 2026-08-07 | 1 | $29.00 |
| Call | $187.50 | 2026-08-07 | — | $26.50 |
| Call | $190.00 | 2026-08-07 | 9 | $15.10 |
| Call | $192.50 | 2026-08-07 | — | — |
| Call | $195.00 | 2026-08-07 | 2 | $11.35 |
| Call | $197.50 | 2026-08-07 | — | — |
| Call | $200.00 | 2026-08-07 | 214 | $14.25 |
| Call | $202.50 | 2026-08-07 | 213 | $12.20 |
| Call | $205.00 | 2026-08-07 | 15 | $12.63 |
| Call | $207.50 | 2026-08-07 | 2 | $9.00 |
| Call | $210.00 | 2026-08-07 | 9 | $4.48 |
| Call | $212.50 | 2026-08-07 | 1 | $4.50 |
| Call | $215.00 | 2026-08-07 | 560 | $3.50 |
| Call | $217.50 | 2026-08-07 | — | — |
| Call | $220.00 | 2026-08-07 | 13 | $1.75 |
| Call | $222.50 | 2026-08-07 | — | — |
| Call | $225.00 | 2026-08-07 | 4 | $0.78 |
| Call | $227.50 | 2026-08-07 | — | — |
| Call | $230.00 | 2026-08-07 | 1 | $1.95 |
| Call | $232.50 | 2026-08-07 | — | — |
| Call | $235.00 | 2026-08-07 | 107 | $1.50 |
| Call | $240.00 | 2026-08-07 | 11 | $2.60 |
| Call | $245.00 | 2026-08-07 | 16 | $2.00 |
| Call | $250.00 | 2026-08-07 | 3 | $0.60 |
| Call | $255.00 | 2026-08-07 | — | — |
| Call | $260.00 | 2026-08-07 | — | — |
| Call | $265.00 | 2026-08-07 | — | — |
| Put | $165.00 | 2026-08-07 | — | — |
| Put | $170.00 | 2026-08-07 | — | $1.47 |
| Put | $175.00 | 2026-08-07 | 1 | $1.45 |
| Put | $177.50 | 2026-08-07 | — | — |
| Put | $180.00 | 2026-08-07 | 106 | $1.26 |
| Put | $182.50 | 2026-08-07 | — | — |
| Put | $185.00 | 2026-08-07 | — | — |
| Put | $187.50 | 2026-08-07 | 15 | $1.85 |
| Put | $190.00 | 2026-08-07 | 2 | $1.10 |
| Put | $192.50 | 2026-08-07 | 1 | $4.00 |
| Put | $195.00 | 2026-08-07 | 162 | $0.73 |
| Put | $197.50 | 2026-08-07 | 6 | $4.70 |
| Put | $200.00 | 2026-08-07 | 19 | $5.75 |
| Put | $202.50 | 2026-08-07 | 13 | $6.60 |
| Put | $205.00 | 2026-08-07 | 59 | $3.55 |
| Put | $207.50 | 2026-08-07 | — | — |
| Put | $210.00 | 2026-08-07 | 54 | $21.20 |
| Put | $212.50 | 2026-08-07 | — | — |
| Put | $215.00 | 2026-08-07 | 10 | $17.50 |
| Put | $217.50 | 2026-08-07 | — | — |
| Put | $220.00 | 2026-08-07 | — | — |
| Put | $222.50 | 2026-08-07 | — | — |
| Put | $225.00 | 2026-08-07 | — | — |
| Put | $227.50 | 2026-08-07 | — | — |
| Put | $230.00 | 2026-08-07 | — | — |
| Put | $232.50 | 2026-08-07 | — | — |
| Put | $235.00 | 2026-08-07 | — | — |
| Put | $240.00 | 2026-08-07 | 1 | $44.40 |
| Put | $245.00 | 2026-08-07 | — | — |
| Put | $250.00 | 2026-08-07 | — | $54.50 |
| Put | $255.00 | 2026-08-07 | — | — |
| Put | $260.00 | 2026-08-07 | — | — |
| Put | $265.00 | 2026-08-07 | — | — |
| Call | $165.00 | 2026-08-14 | — | — |
| Call | $170.00 | 2026-08-14 | — | — |
| Call | $175.00 | 2026-08-14 | — | — |
| Call | $180.00 | 2026-08-14 | — | — |
| Call | $182.50 | 2026-08-14 | — | — |
| Call | $185.00 | 2026-08-14 | — | — |
| Call | $187.50 | 2026-08-14 | — | — |
| Call | $190.00 | 2026-08-14 | — | — |
| Call | $192.50 | 2026-08-14 | 6 | $13.26 |
| Call | $195.00 | 2026-08-14 | 11 | $13.80 |
| Call | $197.50 | 2026-08-14 | — | — |
| Call | $200.00 | 2026-08-14 | 4 | $10.72 |
| Call | $202.50 | 2026-08-14 | — | $14.92 |
| Call | $205.00 | 2026-08-14 | 5 | $9.10 |
| Call | $207.50 | 2026-08-14 | — | — |
| Call | $210.00 | 2026-08-14 | 3 | $4.40 |
| Call | $212.50 | 2026-08-14 | — | — |
| Call | $215.00 | 2026-08-14 | 53 | $2.15 |
| Call | $217.50 | 2026-08-14 | — | $3.60 |
| Call | $220.00 | 2026-08-14 | 17 | $4.40 |
| Call | $222.50 | 2026-08-14 | — | $2.30 |
| Call | $225.00 | 2026-08-14 | 17 | $2.70 |
| Call | $227.50 | 2026-08-14 | — | — |
| Call | $230.00 | 2026-08-14 | 5 | $1.00 |
| Call | $232.50 | 2026-08-14 | — | — |
| Call | $235.00 | 2026-08-14 | 3 | $1.86 |
| Call | $240.00 | 2026-08-14 | 2 | $1.15 |
| Call | $245.00 | 2026-08-14 | — | — |
| Call | $250.00 | 2026-08-14 | 1 | $1.00 |
| Call | $255.00 | 2026-08-14 | — | — |
| Call | $260.00 | 2026-08-14 | — | — |
| Call | $265.00 | 2026-08-14 | — | — |
| Put | $165.00 | 2026-08-14 | — | — |
| Put | $170.00 | 2026-08-14 | — | — |
| Put | $175.00 | 2026-08-14 | 5 | $1.38 |
| Put | $180.00 | 2026-08-14 | 1 | $1.50 |
| Put | $182.50 | 2026-08-14 | — | — |
| Put | $185.00 | 2026-08-14 | 3 | $2.45 |
| Put | $187.50 | 2026-08-14 | — | — |
| Put | $190.00 | 2026-08-14 | 3 | $1.22 |
| Put | $192.50 | 2026-08-14 | — | — |
| Put | $195.00 | 2026-08-14 | 71 | $1.51 |
| Put | $197.50 | 2026-08-14 | — | — |
| Put | $200.00 | 2026-08-14 | 30 | $2.76 |
| Put | $202.50 | 2026-08-14 | — | $3.20 |
| Put | $205.00 | 2026-08-14 | 31 | $11.35 |
| Put | $207.50 | 2026-08-14 | — | — |
| Put | $210.00 | 2026-08-14 | 6 | $17.63 |
| Put | $212.50 | 2026-08-14 | — | — |
| Put | $215.00 | 2026-08-14 | 10 | $17.46 |
| Put | $217.50 | 2026-08-14 | — | — |
| Put | $220.00 | 2026-08-14 | 1 | $17.31 |
| Put | $222.50 | 2026-08-14 | — | — |
| Put | $225.00 | 2026-08-14 | 1 | $20.90 |
| Put | $227.50 | 2026-08-14 | — | — |
| Put | $230.00 | 2026-08-14 | — | — |
| Put | $232.50 | 2026-08-14 | — | — |
| Put | $235.00 | 2026-08-14 | — | — |
| Put | $240.00 | 2026-08-14 | 7 | $34.10 |
| Put | $245.00 | 2026-08-14 | — | — |
| Put | $250.00 | 2026-08-14 | — | — |
| Put | $255.00 | 2026-08-14 | — | — |
| Put | $260.00 | 2026-08-14 | — | $64.40 |
| Put | $265.00 | 2026-08-14 | — | — |
| Call | $165.00 | 2026-08-21 | 2 | $45.78 |
| Call | $170.00 | 2026-08-21 | 606 | $43.00 |
| Call | $175.00 | 2026-08-21 | 290 | $31.48 |
| Call | $180.00 | 2026-08-21 | 7 | $27.60 |
| Call | $182.50 | 2026-08-21 | — | — |
| Call | $185.00 | 2026-08-21 | 1 | $28.10 |
| Call | $187.50 | 2026-08-21 | — | — |
| Call | $190.00 | 2026-08-21 | 13 | $22.20 |
| Call | $192.50 | 2026-08-21 | — | — |
| Call | $195.00 | 2026-08-21 | 30 | $16.20 |
| Call | $197.50 | 2026-08-21 | — | — |
| Call | $200.00 | 2026-08-21 | 47 | $15.00 |
| Call | $202.50 | 2026-08-21 | 4 | $10.09 |
| Call | $205.00 | 2026-08-21 | 16 | $14.50 |
| Call | $207.50 | 2026-08-21 | — | — |
| Call | $210.00 | 2026-08-21 | 208 | $7.49 |
| Call | $212.50 | 2026-08-21 | — | — |
| Call | $215.00 | 2026-08-21 | 19 | $6.23 |
| Call | $217.50 | 2026-08-21 | 5 | $4.65 |
| Call | $220.00 | 2026-08-21 | 475 | $3.23 |
| Call | $222.50 | 2026-08-21 | 10 | $3.27 |
| Call | $225.00 | 2026-08-21 | 37 | $3.30 |
| Call | $227.50 | 2026-08-21 | 2 | $3.50 |
| Call | $230.00 | 2026-08-21 | 177 | $2.10 |
| Call | $232.50 | 2026-08-21 | — | $1.72 |
| Call | $235.00 | 2026-08-21 | 2 | $1.90 |
| Call | $240.00 | 2026-08-21 | 245 | $0.60 |
| Call | $245.00 | 2026-08-21 | 1 | $0.55 |
| Call | $250.00 | 2026-08-21 | 17 | $0.50 |
| Call | $255.00 | 2026-08-21 | — | — |
| Call | $260.00 | 2026-08-21 | 7 | $1.10 |
| Call | $265.00 | 2026-08-21 | — | — |
| Put | $165.00 | 2026-08-21 | 4 | $1.23 |
| Put | $170.00 | 2026-08-21 | 16 | $1.33 |
| Put | $175.00 | 2026-08-21 | 27 | $2.10 |
| Put | $180.00 | 2026-08-21 | 34 | $0.25 |
| Put | $182.50 | 2026-08-21 | — | — |
| Put | $185.00 | 2026-08-21 | 113 | $1.57 |
| Put | $187.50 | 2026-08-21 | 1 | $4.04 |
| Put | $190.00 | 2026-08-21 | 537 | $1.32 |
| Put | $192.50 | 2026-08-21 | — | — |
| Put | $195.00 | 2026-08-21 | 82 | $1.71 |
| Put | $197.50 | 2026-08-21 | — | — |
| Put | $200.00 | 2026-08-21 | 13 | $3.92 |
| Put | $202.50 | 2026-08-21 | 50 | $8.72 |
| Put | $205.00 | 2026-08-21 | 6 | $9.40 |
| Put | $207.50 | 2026-08-21 | — | — |
| Put | $210.00 | 2026-08-21 | 15 | $7.60 |
| Put | $212.50 | 2026-08-21 | — | — |
| Put | $215.00 | 2026-08-21 | — | — |
| Put | $217.50 | 2026-08-21 | — | — |
| Put | $220.00 | 2026-08-21 | 10 | $27.18 |
| Put | $222.50 | 2026-08-21 | — | — |
| Put | $225.00 | 2026-08-21 | — | — |
| Put | $227.50 | 2026-08-21 | — | — |
| Put | $230.00 | 2026-08-21 | 1 | $25.80 |
| Put | $232.50 | 2026-08-21 | — | — |
| Put | $235.00 | 2026-08-21 | — | — |
| Put | $240.00 | 2026-08-21 | 11 | $34.31 |
| Put | $245.00 | 2026-08-21 | — | — |
| Put | $250.00 | 2026-08-21 | — | — |
| Put | $255.00 | 2026-08-21 | — | — |
| Put | $260.00 | 2026-08-21 | — | — |
| Put | $265.00 | 2026-08-21 | — | — |
| Call | $165.00 | 2026-08-28 | — | — |
| Call | $170.00 | 2026-08-28 | — | — |
| Call | $175.00 | 2026-08-28 | — | — |
| Call | $180.00 | 2026-08-28 | 1 | $26.28 |
| Call | $185.00 | 2026-08-28 | — | — |
| Call | $190.00 | 2026-08-28 | 1 | $16.01 |