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BIIB
Biogen Inc. Common Stock
stock NASDAQ

At Close
Sep 15, 2026 3:59:59 PM EDT
216.28USD-0.497%(-1.08)755,891
215.99Bid   216.18Ask   0.19Spread
Pre-market
Sep 14, 2026 9:28:30 AM EDT
219.00USD+0.755%(+1.64)0
After-hours
Sep 15, 2026 4:37:30 PM EDT
216.17USD-0.051%(-0.11)105
OverviewOption ChainMax PainOption ChainPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Sep 18, 2026Sep 25, 2026Oct 2, 2026Oct 9, 2026Oct 16, 2026Oct 23, 2026Oct 30, 2026Dec 18, 2026Jan 15, 2027Mar 19, 2027Apr 16, 2027Jun 17, 2027Sep 17, 2027Jan 21, 2028

ITM/OTM for Oct 23, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
72122


BIIB Oct 23, 2026 Exp. - Volume by Strike
Puts
Calls

BIIB Oct 23, 2026 Exp. - Open Interest by Strike

Puts
Calls

BIIB Oct 23, 2026 Exp. - Max Pain @ $215.00

Puts
Calls


BIIB Oct 23, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
295 C00%0BIIB261023C00295000
290 C00%0BIIB261023C00290000
285 C00%0BIIB261023C00285000
280 C00%0BIIB261023C00280000
275 C00%0BIIB261023C00275000
270 C00%0BIIB261023C00270000
265 C00%0BIIB261023C00265000
260 C00%0BIIB261023C00260000
255 C2.150%1109-03BIIB261023C00255000
250 C3.700%1109-03BIIB261023C00250000
245 C00%0BIIB261023C00245000
240 C00%0BIIB261023C00240000
235 C3.60+20.00%2209-14BIIB261023C00235000
230 C3.760%111109-09BIIB261023C00230000
225 C00%0BIIB261023C00225000
220 C9.20+11.79%3609-11BIIB261023C00220000
215 C11.85+12.86%3709-11BIIB261023C00215000
210 C00%0BIIB261023C00210000
205 C00%0BIIB261023C00205000
200 C00%0BIIB261023C00200000
195 C00%0BIIB261023C00195000
190 C00%0BIIB261023C00190000
185 C00%0BIIB261023C00185000
180 C00%0BIIB261023C00180000
175 C00%0BIIB261023C00175000
170 C00%0BIIB261023C00170000
165 C00%0BIIB261023C00165000
160 C00%0BIIB261023C00160000
155 C00%0BIIB261023C00155000
150 C00%0BIIB261023C00150000
145 C00%0BIIB261023C00145000
140 C00%0BIIB261023C00140000
135 C00%0BIIB261023C00135000
130 C00%0BIIB261023C00130000
125 C00%0BIIB261023C00125000
120 C00%0BIIB261023C00120000
115 C00%0BIIB261023C00115000
110 C00%0BIIB261023C00110000
Puts
StrikePriceChangeVolOILastContract Name
295 P00%0BIIB261023P00295000
290 P00%0BIIB261023P00290000
285 P00%0BIIB261023P00285000
280 P00%0BIIB261023P00280000
275 P00%0BIIB261023P00275000
270 P00%0BIIB261023P00270000
265 P00%0BIIB261023P00265000
260 P00%0BIIB261023P00260000
255 P00%0BIIB261023P00255000
250 P00%0BIIB261023P00250000
245 P00%0BIIB261023P00245000
240 P00%0BIIB261023P00240000
235 P00%0BIIB261023P00235000
230 P00%0BIIB261023P00230000
225 P10.800%1109-03BIIB261023P00225000
220 P9.000%1109-03BIIB261023P00220000
215 P00%0BIIB261023P00215000
210 P00%0BIIB261023P00210000
205 P00%0BIIB261023P00205000
200 P3.820%1109-14BIIB261023P00200000
195 P00%0BIIB261023P00195000
190 P00%0BIIB261023P00190000
185 P1.850%1109-09BIIB261023P00185000
180 P00%0BIIB261023P00180000
175 P00%0BIIB261023P00175000
170 P00%0BIIB261023P00170000
165 P00%0BIIB261023P00165000
160 P00%0BIIB261023P00160000
155 P00%0BIIB261023P00155000
150 P00%0BIIB261023P00150000
145 P00%0BIIB261023P00145000
140 P00%0BIIB261023P00140000
135 P00%0BIIB261023P00135000
130 P00%0BIIB261023P00130000
125 P00%0BIIB261023P00125000
120 P00%0BIIB261023P00120000
115 P00%0BIIB261023P00115000
110 P00%0BIIB261023P00110000


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