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BIIB
Biogen Inc. Common Stock
stock NASDAQ

At Close
Jul 29, 2026 3:59:59 PM EDT
209.35USD+1.817%(+3.74)2,399,767
0.00Bid   0.00Ask   0.00Spread
Pre-market
Jul 29, 2026 9:28:30 AM EDT
211.00USD+2.621%(+5.39)3,076
After-hours
Jul 29, 2026 4:39:30 PM EDT
209.23USD-0.055%(-0.12)104
OverviewOption ChainMax PainOption ChainPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Jul 31, 2026Aug 7, 2026Aug 14, 2026Aug 21, 2026Aug 28, 2026Sep 4, 2026Sep 18, 2026Oct 16, 2026Dec 18, 2026Jan 15, 2027Mar 19, 2027Jun 17, 2027Jan 21, 2028

ITM/OTM for Aug 7, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
46971666401


BIIB Aug 7, 2026 Exp. - Volume by Strike
Puts
Calls

BIIB Aug 7, 2026 Exp. - Open Interest by Strike

Puts
Calls

BIIB Aug 7, 2026 Exp. - Max Pain @ $200.00

Puts
Calls


BIIB Aug 7, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
280.00 C00%0BIIB260807C00280000
275.00 C00%0BIIB260807C00275000
270.00 C00%0BIIB260807C00270000
265.00 C00%0BIIB260807C00265000
260.00 C00%0BIIB260807C00260000
255.00 C00%0BIIB260807C00255000
250.00 C0.60-4.76%1307-17BIIB260807C00250000
245.00 C2.00-23.66%9707-02BIIB260807C00245000
240.00 C2.60-31.58%21107-06BIIB260807C00240000
235.00 C1.50+130.77%1610707-17BIIB260807C00235000
232.50 C00%0BIIB260807C00232500
230.00 C1.950%1107-17BIIB260807C00230000
227.50 C00%0BIIB260807C00227500
225.00 C5.00+20.48%1407-17BIIB260807C00225000
222.50 C00%0BIIB260807C00222500
220.00 C2.00-40.83%31307-28BIIB260807C00220000
217.50 C00%0BIIB260807C00217500
215.00 C5.80+1.40%156007-17BIIB260807C00215000
212.50 C4.000%1107-28BIIB260807C00212500
210.00 C5.20+15.56%6907-28BIIB260807C00210000
207.50 C6.00+3.45%1207-28BIIB260807C00207500
205.00 C6.03-12.61%11507-28BIIB260807C00205000
202.50 C7.520%23521307-28BIIB260807C00202500
200.00 C9.02-14.91%23421407-28BIIB260807C00200000
197.50 C00%0BIIB260807C00197500
195.00 C11.35+3.65%1207-20BIIB260807C00195000
192.50 C00%0BIIB260807C00192500
190.00 C15.10+37.27%10907-20BIIB260807C00190000
187.50 C00%0BIIB260807C00187500
185.00 C20.00+33.33%1107-16BIIB260807C00185000
182.50 C00%0BIIB260807C00182500
180.00 C18.410%201007-15BIIB260807C00180000
177.50 C00%0BIIB260807C00177500
175.00 C00%0BIIB260807C00175000
170.00 C00%0BIIB260807C00170000
165.00 C44.60+24.93%3307-13BIIB260807C00165000
160.00 C00%0BIIB260807C00160000
155.00 C00%0BIIB260807C00155000
150.00 C00%0BIIB260807C00150000
145.00 C00%0BIIB260807C00145000
140.00 C00%0BIIB260807C00140000
135.00 C00%0BIIB260807C00135000
130.00 C00%0BIIB260807C00130000
125.00 C00%0BIIB260807C00125000
120.00 C00%0BIIB260807C00120000
115.00 C00%0BIIB260807C00115000
110.00 C00%0BIIB260807C00110000
105.00 C00%0BIIB260807C00105000
Puts
StrikePriceChangeVolOILastContract Name
280.00 P00%0BIIB260807P00280000
275.00 P00%0BIIB260807P00275000
270.00 P00%0BIIB260807P00270000
265.00 P00%0BIIB260807P00265000
260.00 P00%0BIIB260807P00260000
255.00 P00%0BIIB260807P00255000
250.00 P54.500%1107-16BIIB260807P00250000
245.00 P00%0BIIB260807P00245000
240.00 P44.400%1107-16BIIB260807P00240000
235.00 P00%0BIIB260807P00235000
232.50 P00%0BIIB260807P00232500
230.00 P00%0BIIB260807P00230000
227.50 P00%0BIIB260807P00227500
225.00 P00%0BIIB260807P00225000
222.50 P00%0BIIB260807P00222500
220.00 P00%0BIIB260807P00220000
217.50 P00%0BIIB260807P00217500
215.00 P17.50+42.51%131007-08BIIB260807P00215000
212.50 P00%0BIIB260807P00212500
210.00 P21.20+24.63%525407-15BIIB260807P00210000
207.50 P00%0BIIB260807P00207500
205.00 P9.05-47.11%75907-20BIIB260807P00205000
202.50 P6.60-13.16%121307-28BIIB260807P00202500
200.00 P5.75-7.26%131907-28BIIB260807P00200000
197.50 P4.70-6.00%2607-28BIIB260807P00197500
195.00 P3.70-3.39%216207-28BIIB260807P00195000
192.50 P4.000%1107-23BIIB260807P00192500
190.00 P2.33-35.28%1207-28BIIB260807P00190000
187.50 P1.85-24.49%131507-28BIIB260807P00187500
185.00 P00%0BIIB260807P00185000
182.50 P00%0BIIB260807P00182500
180.00 P1.26-59.62%110607-16BIIB260807P00180000
177.50 P00%0BIIB260807P00177500
175.00 P1.45-20.33%1107-16BIIB260807P00175000
170.00 P1.47+8.89%171707-02BIIB260807P00170000
165.00 P00%0BIIB260807P00165000
160.00 P00%0BIIB260807P00160000
155.00 P00%0BIIB260807P00155000
150.00 P00%0BIIB260807P00150000
145.00 P00%0BIIB260807P00145000
140.00 P00%0BIIB260807P00140000
135.00 P00%0BIIB260807P00135000
130.00 P00%0BIIB260807P00130000
125.00 P00%0BIIB260807P00125000
120.00 P00%0BIIB260807P00120000
115.00 P00%0BIIB260807P00115000
110.00 P00%0BIIB260807P00110000
105.00 P0.110%2007-21BIIB260807P00105000


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