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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 18, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
2,6662,9912927,291


BIIB Sep 18, 2026 Exp. - Volume by Strike
Puts
Calls

BIIB Sep 18, 2026 Exp. - Open Interest by Strike

Puts
Calls

BIIB Sep 18, 2026 Exp. - Max Pain @ $200.00

Puts
Calls


BIIB Sep 18, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
300.00 C00%0BIIB260918C00300000
290.00 C0.65+2,066.67%1208-13BIIB260918C00290000
280.00 C0.05-94.44%11408-25BIIB260918C00280000
270.00 C0.80+6.67%12206-23BIIB260918C00270000
265.00 C00%0BIIB260918C00265000
260.00 C0.63+215.00%146609-08BIIB260918C00260000
255.00 C0.360%1109-02BIIB260918C00255000
250.00 C0.68+112.50%15609-08BIIB260918C00250000
245.00 C1.100%1108-25BIIB260918C00245000
242.50 C00%0BIIB260918C00242500
240.00 C0.14-50.00%161509-14BIIB260918C00240000
237.50 C1.500%303008-25BIIB260918C00237500
235.00 C0.30-33.33%558509-11BIIB260918C00235000
232.50 C1.35-55.00%25409-04BIIB260918C00232500
230.00 C0.40-38.46%268909-14BIIB260918C00230000
227.50 C0.70-34.58%22809-11BIIB260918C00227500
225.00 C0.85-54.05%14218209-14BIIB260918C00225000
222.50 C1.40-22.22%102409-14BIIB260918C00222500
220.00 C2.50-24.24%1474709-14BIIB260918C00220000
217.50 C2.85-25.78%42509-14BIIB260918C00217500
215.00 C6.23+27.14%2409-11BIIB260918C00215000
212.50 C5.28-8.17%3409-14BIIB260918C00212500
210.00 C8.00-22.33%586109-14BIIB260918C00210000
207.50 C8.12-44.38%141309-09BIIB260918C00207500
205.00 C00%0BIIB260918C00205000
202.50 C00%0BIIB260918C00202500
200.00 C18.20-4.11%1897409-14BIIB260918C00200000
197.50 C17.970%1109-11BIIB260918C00197500
195.00 C22.87+18.19%220609-14BIIB260918C00195000
192.50 C00%0BIIB260918C00192500
190.00 C23.80-31.82%27909-08BIIB260918C00190000
187.50 C00%0BIIB260918C00187500
185.00 C29.85-25.02%131809-10BIIB260918C00185000
180.00 C38.50-6.80%236709-14BIIB260918C00180000
175.00 C41.24+0.59%41109-11BIIB260918C00175000
170.00 C47.43-1.19%11609-14BIIB260918C00170000
165.00 C43.00+24.13%1308-10BIIB260918C00165000
160.00 C48.35+44.76%1607-28BIIB260918C00160000
155.00 C58.85+8.98%1209-08BIIB260918C00155000
150.00 C61.95+9.20%1808-18BIIB260918C00150000
145.00 C72.30-6.10%11309-14BIIB260918C00145000
140.00 C29.50+19.43%4410-01BIIB260918C00140000
135.00 C68.60+11.91%1906-12BIIB260918C00135000
130.00 C89.00+68.24%1709-14BIIB260918C00130000
125.00 C84.58+13.38%4708-17BIIB260918C00125000
120.00 C88.85+13.18%1108-17BIIB260918C00120000
115.00 C69.60+67.31%1203-20BIIB260918C00115000
110.00 C88.900%1102-09BIIB260918C00110000
105.00 C00%0BIIB260918C00105000
100.00 C105.00+15.38%2305-13BIIB260918C00100000
95.00 C106.20+114.55%22207-16BIIB260918C00095000
90.00 C118.30+121.12%12207-30BIIB260918C00090000
85.00 C00%0BIIB260918C00085000
80.00 C00%0BIIB260918C00080000
75.00 C61.50+6.96%1107-24BIIB260918C00075000
70.00 C00%0BIIB260918C00070000
65.00 C135.900%1107-16BIIB260918C00065000
Puts
StrikePriceChangeVolOILastContract Name
300.00 P00%0BIIB260918P00300000
290.00 P00%0BIIB260918P00290000
280.00 P00%0BIIB260918P00280000
270.00 P53.74-5.39%2109-14BIIB260918P00270000
265.00 P48.770%2009-14BIIB260918P00265000
260.00 P00%0BIIB260918P00260000
255.00 P00%0BIIB260918P00255000
250.00 P43.100%1107-30BIIB260918P00250000
245.00 P00%0BIIB260918P00245000
242.50 P00%0BIIB260918P00242500
240.00 P34.65+3.37%2908-11BIIB260918P00240000
237.50 P00%0BIIB260918P00237500
235.00 P00%0BIIB260918P00235000
232.50 P00%0BIIB260918P00232500
230.00 P25.35+3.47%63808-11BIIB260918P00230000
227.50 P00%0BIIB260918P00227500
225.00 P7.700%3009-04BIIB260918P00225000
222.50 P5.72+27.11%12209-04BIIB260918P00222500
220.00 P7.35+47.00%123809-10BIIB260918P00220000
217.50 P3.60+22.03%1309-04BIIB260918P00217500
215.00 P4.54-29.17%12609-10BIIB260918P00215000
212.50 P1.50-50.00%4509-11BIIB260918P00212500
210.00 P1.20-66.39%2319809-14BIIB260918P00210000
207.50 P2.59+20.47%2209-09BIIB260918P00207500
205.00 P0.22-81.67%2909-14BIIB260918P00205000
202.50 P1.20-31.82%1108-28BIIB260918P00202500
200.00 P0.30-81.25%32275509-11BIIB260918P00200000
197.50 P0.75-11.76%1308-28BIIB260918P00197500
195.00 P0.25-81.48%58079809-11BIIB260918P00195000
192.50 P00%0BIIB260918P00192500
190.00 P0.05-80.00%31,28009-14BIIB260918P00190000
187.50 P00%0BIIB260918P00187500
185.00 P0.15-86.84%131309-04BIIB260918P00185000
180.00 P1.06+430.00%2034609-01BIIB260918P00180000
175.00 P0.05-76.19%253009-11BIIB260918P00175000
170.00 P0.05-85.71%167409-14BIIB260918P00170000
165.00 P0.15-51.61%26208-28BIIB260918P00165000
160.00 P0.43-65.60%16409-09BIIB260918P00160000
155.00 P0.35-66.67%14729507-22BIIB260918P00155000
150.00 P0.10-87.65%21,06408-21BIIB260918P00150000
145.00 P0.35-50.00%31106-29BIIB260918P00145000
140.00 P0.60+140.00%22207-14BIIB260918P00140000
135.00 P0.21-91.06%13006-29BIIB260918P00135000
130.00 P0.30+100.00%220307-29BIIB260918P00130000
125.00 P0.95-62.00%28904-20BIIB260918P00125000
120.00 P0.60-55.56%127704-20BIIB260918P00120000
115.00 P1.55-48.33%11602-20BIIB260918P00115000
110.00 P0.02-95.74%110707-30BIIB260918P00110000
105.00 P2.73-18.99%17411-21BIIB260918P00105000
100.00 P5.70-14.93%3608-08BIIB260918P00100000
95.00 P0.65-40.91%11202-06BIIB260918P00095000
90.00 P1.89-35.27%1111-12BIIB260918P00090000
85.00 P0.25-79.67%2103-27BIIB260918P00085000
80.00 P00%0BIIB260918P00080000
75.00 P2.450%6306-20BIIB260918P00075000
70.00 P1.750%18906-20BIIB260918P00070000
65.00 P0.200.00%2508-04BIIB260918P00065000


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