Detailed BIIB options chain for 2026-03-20 – real-time call and put contracts with last price, bid/ask, volume, open interest, implied volatility, and in-the-money status.
Tip: Use this page together with the price chart, short-term prediction, and multi-expiry options overview to build a complete view of positioning and risk for BIIB.
This page focuses on a single options expiration date for BIIB – 2026-03-20 – and lists every available call and put contract in a clean chain view. Each row shows the contract symbol, last trade, bid/ask quotes, daily change, percentage change, trading volume, open interest, implied volatility (IV), and whether the option is currently in-the-money (ITM).
Traders often use a specific expiry’s options chain to identify key strike levels, unusual activity, and risk hedging behavior. High open interest around certain strikes or sudden spikes in volume can reveal where large traders and market makers are concentrating their positions for BIIB into 2026-03-20.
This BIIB 2026-03-20 options chain provides a complete strike-by-strike breakdown of pricing, liquidity and volatility. By comparing changes in volume, open interest distribution and IV across calls and puts, traders can understand where the market is positioning ahead of this specific expiration date.
The table below shows all call options on BIIB expiring on 2026-03-20. You can quickly compare strikes, pricing, liquidity (volume and open interest), and implied volatility to spot popular strike zones and potential directional bets.
| Contract | Strike | Last | Bid | Ask | Volume | Open Int. | Implied Vol | ITM |
|---|---|---|---|---|---|---|---|---|
| BIIB 260320C00160000 | 160.00 | 32.38 | 40.6 | 43.9 | 3 | 3047 | 64.16% | YES |
| BIIB 260320C00165000 | 165.00 | 34.8 | 35.7 | 39.1 | 4 | 1206 | 59.33% | YES |
| BIIB 260320C00180000 | 180.00 | 19.7 | 22.8 | 25.4 | 56 | 1177 | 47.52% | YES |
| BIIB 260320C00140000 | 140.00 | 39.5 | 60.1 | 63.6 | 6 | 598 | 64.75% | YES |
| BIIB 260320C00175000 | 175.00 | 28.8 | 27.1 | 29.9 | 16 | 548 | 51.50% | YES |
| BIIB 260320C00170000 | 170.00 | 33 | 31.7 | 34.4 | 773 | 429 | 54.98% | YES |
| BIIB 260320C00220000 | 220.00 | 2.35 | 1.75 | 3.2 | 17 | 354 | 35.60% | |
| BIIB 260320C00185000 | 185.00 | 20.1 | 18.9 | 21.1 | 64 | 345 | 43.98% | YES |
| BIIB 260320C00190000 | 190.00 | 15.72 | 15.1 | 17 | 11 | 329 | 40.59% | YES |
| BIIB 260320C00200000 | 200.00 | 9.2 | 8.7 | 11.6 | 36 | 317 | 41.55% | YES |
| BIIB 260320C00195000 | 195.00 | 12.45 | 11.6 | 14 | 24 | 263 | 40.64% | YES |
| BIIB 260320C00135000 | 135.00 | 43.3 | 41.9 | 45.1 | 1 | 254 | 0.00% | YES |
| BIIB 260320C00230000 | 230.00 | 0.5 | 0 | 1.85 | 1 | 234 | 37.12% | |
| BIIB 260320C00210000 | 210.00 | 5.8 | 4.3 | 5.7 | 73 | 230 | 34.88% | |
| BIIB 260320C00155000 | 155.00 | 32.8 | 46 | 48.8 | 1 | 224 | 56.45% | YES |
| BIIB 260320C00150000 | 150.00 | 37.1 | 50.1 | 53.9 | 6 | 183 | 56.64% | YES |
| BIIB 260320C00145000 | 145.00 | 41.4 | 55.3 | 58.7 | 3 | 74 | 61.96% | YES |
| BIIB 260320C00130000 | 130.00 | 50.9 | 70.5 | 73.5 | 1 | 64 | 78.83% | YES |
| BIIB 260320C00125000 | 125.00 | 61.89 | 75.1 | 78.6 | 1 | 19 | 81.59% | YES |
| BIIB 260320C00085000 | 85.00 | 108.2 | 114.5 | 118.4 | 1 | 11 | 119.73% | YES |
| BIIB 260320C00100000 | 100.00 | 77.44 | 76.5 | 80.5 | 2 | 8 | 0.00% | YES |
| BIIB 260320C00095000 | 95.00 | 83.07 | 81.5 | 85.6 | 4 | 8 | 0.00% | YES |
| BIIB 260320C00120000 | 120.00 | 66.75 | 80.1 | 83.5 | 1 | 4 | 86.38% | YES |
| BIIB 260320C00090000 | 90.00 | 87.28 | 86.5 | 90.7 | 2 | 3 | 0.00% | YES |
| BIIB 260320C00250000 | 250.00 | 0.25 | 0 | 0.5 | 1 | 3 | 38.26% | |
| BIIB 260320C00260000 | 260.00 | 0.9 | 0 | 2.35 | 1 | 2 | 51.98% | |
| BIIB 260320C00115000 | 115.00 | 37.6 | 32.9 | 36.3 | 1 | 2 | 0.00% | YES |
| BIIB 260320C00240000 | 240.00 | 0.95 | 0 | 2.45 | 2 | 2 | 48.68% | |
| BIIB 260320C00080000 | 80.00 | 77.9 | 75.3 | 79.3 | 1 | 1 | 0.00% | YES |
| BIIB 260320C00270000 | 270.00 | 0.7 | 0 | 2.15 | 1 | 1 | 56.49% | |
| BIIB 260320C00105000 | 105.00 | 36.62 | 34.8 | 38.2 | 0 | 1 | 0.00% | YES |
| BIIB 260320C00070000 | 70.00 | 104.02 | 106.5 | 110.6 | 2 | 0 | 0.00% | YES |
| BIIB 260320C00110000 | 110.00 | 35.5 | 0 | 0 | 1 | 0 | 0.00% | YES |
The table below lists all put options on BIIB expiring on 2026-03-20. Use it to track downside protection demand, hedge activity, and deep out-of-the-money puts that may indicate tail-risk hedging or speculation.
| Contract | Strike | Last | Bid | Ask | Volume | Open Int. | Implied Vol | ITM |
|---|---|---|---|---|---|---|---|---|
| BIIB 260320P00125000 | 125.00 | 0.2 | 0 | 0.6 | 7 | 2018 | 71.19% | |
| BIIB 260320P00160000 | 160.00 | 1.45 | 0 | 2.45 | 1 | 863 | 51.07% | |
| BIIB 260320P00145000 | 145.00 | 1.1 | 0 | 2.2 | 1 | 752 | 66.11% | |
| BIIB 260320P00140000 | 140.00 | 0.9 | 0 | 2.15 | 4 | 672 | 71.48% | |
| BIIB 260320P00150000 | 150.00 | 1.25 | 0 | 2.25 | 1 | 645 | 60.84% | |
| BIIB 260320P00165000 | 165.00 | 1.9 | 0 | 1.2 | 2 | 287 | 45.46% | |
| BIIB 260320P00135000 | 135.00 | 0.25 | 0 | 2.15 | 2 | 249 | 77.34% | |
| BIIB 260320P00170000 | 170.00 | 3.35 | 0.6 | 1.5 | 16 | 226 | 42.79% | |
| BIIB 260320P00155000 | 155.00 | 0.8 | 0 | 1.9 | 20 | 185 | 53.20% | |
| BIIB 260320P00130000 | 130.00 | 0.12 | 0 | 1.35 | 1 | 174 | 75.93% | |
| BIIB 260320P00175000 | 175.00 | 1.8 | 0.8 | 2.7 | 17 | 159 | 45.48% | |
| BIIB 260320P00180000 | 180.00 | 6.72 | 1.4 | 3.6 | 2 | 146 | 44.30% | |
| BIIB 260320P00100000 | 100.00 | 0.05 | 0 | 2.15 | 1 | 111 | 124.81% | |
| BIIB 260320P00185000 | 185.00 | 3 | 2 | 3.4 | 5 | 66 | 36.69% | |
| BIIB 260320P00120000 | 120.00 | 0.35 | 0 | 2.15 | 50 | 60 | 96.09% | |
| BIIB 260320P00115000 | 115.00 | 0.15 | 0 | 2.15 | 18 | 49 | 102.83% | |
| BIIB 260320P00110000 | 110.00 | 0.11 | 0 | 0.55 | 1 | 37 | 86.91% | |
| BIIB 260320P00105000 | 105.00 | 0.47 | 0 | 2.15 | 5 | 37 | 117.14% | |
| BIIB 260320P00190000 | 190.00 | 4.65 | 3.2 | 5.3 | 5 | 35 | 38.37% | |
| BIIB 260320P00195000 | 195.00 | 6.85 | 4.7 | 7.1 | 2 | 24 | 37.81% | |
| BIIB 260320P00095000 | 95.00 | 0.42 | 0 | 2.15 | 5 | 22 | 132.81% | |
| BIIB 260320P00090000 | 90.00 | 0.1 | 0 | 2.15 | 5 | 18 | 141.31% | |
| BIIB 260320P00200000 | 200.00 | 8.45 | 6.5 | 8.7 | 7 | 7 | 35.05% | |
| BIIB 260320P00075000 | 75.00 | 0.25 | 0 | 2 | 1 | 3 | 167.68% | |
| BIIB 260320P00070000 | 70.00 | 1.75 | 0.55 | 3.8 | 2 | 2 | 209.08% | |
| BIIB 260320P00085000 | 85.00 | 3.79 | 2 | 5.5 | 4 | 1 | 199.51% | |
| BIIB 260320P00210000 | 210.00 | 30.9 | 28.9 | 32.1 | 1 | 1 | 95.63% | YES |
| BIIB 260320P00220000 | 220.00 | 24.85 | 18.7 | 22 | 2 | 0 | 35.51% | YES |
This page displays the full BIIB options chain for contracts expiring on 2026-03-20. Both call and put tables include contract symbols, last trade price, bid/ask quotes, daily change and percentage change, trading volume, open interest, implied volatility, and an in-the-money (ITM) flag. It is designed to give you a complete snapshot of how the market is pricing risk and direction for this specific expiry.
Around earnings, macro data releases, or company-specific news, traders often focus on a single expiration such as 2026-03-20. By monitoring changes in implied volatility, volume, and open interest for each strike, you can see where traders are concentrating their bets and hedges. Large shifts in activity on out-of-the-money calls or puts can be early signs of expected volatility or directional moves in BIIB.
The ITM column highlights whether a contract is currently in-the-money for BIIB: call options are ITM when their strike is below the current stock price, while put options are ITM when their strike is above the current stock price. ITM contracts have intrinsic value, while out-of-the-money options are purely time and volatility value. This distinction helps you quickly identify which strikes are already “in the money” for this expiry.
Implied volatility reflects how much movement the market expects for BIIB between now and 2026-03-20. Higher IV typically means options are more expensive and the market is pricing in larger potential moves. You can compare IV across strikes and between calls and puts to identify skew – for example, expensive downside puts may indicate demand for crash protection, while rich upside calls can signal speculative interest.
No. This 2026-03-20 options chain gives a granular view for one maturity only. For a complete picture of positioning in BIIB, you should also review the multi-expiry options overview where you can compare put/call ratios, total open interest and volume across different expiration dates. Combining both perspectives helps you understand whether traders are focused on very short-term moves or longer-dated themes.
The BIIB options data on this page is refreshed regularly during market hours to reflect the latest trades, mid-market quotes, and open interest updates. Intraday changes in volume, open interest, and implied volatility can provide important signals about how sentiment and risk pricing are evolving as 2026-03-20 approaches.
