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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 Sep 17, 2027View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
4133026


BIIB Sep 17, 2027 Exp. - Volume by Strike
Puts
Calls

BIIB Sep 17, 2027 Exp. - Open Interest by Strike

Puts
Calls

BIIB Sep 17, 2027 Exp. - Max Pain @ $210.00

Puts
Calls


BIIB Sep 17, 2027 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
320 C7.300%1109-01BIIB270917C00320000
310 C00%0BIIB270917C00310000
300 C00%0BIIB270917C00300000
290 C12.50-15.25%301309-08BIIB270917C00290000
280 C00%0BIIB270917C00280000
270 C00%0BIIB270917C00270000
260 C00%0BIIB270917C00260000
250 C00%0BIIB270917C00250000
240 C29.61+0.54%3109-04BIIB270917C00240000
230 C31.30+1.62%210109-14BIIB270917C00230000
220 C38.300%171708-20BIIB270917C00220000
210 C41.900%3308-31BIIB270917C00210000
200 C49.200%4009-04BIIB270917C00200000
195 C52.000%3009-04BIIB270917C00195000
190 C00%0BIIB270917C00190000
185 C00%0BIIB270917C00185000
180 C58.30+5.05%1109-10BIIB270917C00180000
175 C00%0BIIB270917C00175000
170 C00%0BIIB270917C00170000
165 C00%0BIIB270917C00165000
160 C00%0BIIB270917C00160000
155 C00%0BIIB270917C00155000
150 C00%0BIIB270917C00150000
145 C00%0BIIB270917C00145000
140 C00%0BIIB270917C00140000
135 C00%0BIIB270917C00135000
130 C00%0BIIB270917C00130000
125 C00%0BIIB270917C00125000
120 C00%0BIIB270917C00120000
115 C00%0BIIB270917C00115000
110 C00%0BIIB270917C00110000
Puts
StrikePriceChangeVolOILastContract Name
320 P00%0BIIB270917P00320000
310 P00%0BIIB270917P00310000
300 P00%0BIIB270917P00300000
290 P00%0BIIB270917P00290000
280 P00%0BIIB270917P00280000
270 P00%0BIIB270917P00270000
260 P00%0BIIB270917P00260000
250 P00%0BIIB270917P00250000
240 P00%0BIIB270917P00240000
230 P00%0BIIB270917P00230000
220 P00%0BIIB270917P00220000
210 P26.200%2209-10BIIB270917P00210000
200 P19.00-9.52%3509-04BIIB270917P00200000
195 P19.00+2.15%4509-08BIIB270917P00195000
190 P17.000%7709-08BIIB270917P00190000
185 P15.200%5509-08BIIB270917P00185000
180 P00%0BIIB270917P00180000
175 P00%0BIIB270917P00175000
170 P00%0BIIB270917P00170000
165 P00%0BIIB270917P00165000
160 P00%0BIIB270917P00160000
155 P00%0BIIB270917P00155000
150 P6.700%1108-24BIIB270917P00150000
145 P00%0BIIB270917P00145000
140 P00%0BIIB270917P00140000
135 P3.300%1109-03BIIB270917P00135000
130 P00%0BIIB270917P00130000
125 P00%0BIIB270917P00125000
120 P00%0BIIB270917P00120000
115 P00%0BIIB270917P00115000
110 P00%0BIIB270917P00110000


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