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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 14, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
2610126144


BIIB Aug 14, 2026 Exp. - Volume by Strike
Puts
Calls

BIIB Aug 14, 2026 Exp. - Open Interest by Strike

Puts
Calls

BIIB Aug 14, 2026 Exp. - Max Pain @ $205.00

Puts
Calls


BIIB Aug 14, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
280.00 C00%0BIIB260814C00280000
275.00 C00%0BIIB260814C00275000
270.00 C00%0BIIB260814C00270000
265.00 C00%0BIIB260814C00265000
260.00 C00%0BIIB260814C00260000
255.00 C00%0BIIB260814C00255000
250.00 C1.000%1107-13BIIB260814C00250000
245.00 C00%0BIIB260814C00245000
240.00 C1.65-48.11%1207-08BIIB260814C00240000
235.00 C2.80-35.48%2307-13BIIB260814C00235000
230.00 C1.00-31.51%1507-28BIIB260814C00230000
227.50 C00%0BIIB260814C00227500
225.00 C1.10-39.89%11707-28BIIB260814C00225000
222.50 C00%0BIIB260814C00222500
220.00 C2.00-42.86%81707-28BIIB260814C00220000
217.50 C00%0BIIB260814C00217500
215.00 C2.15-24.56%15307-28BIIB260814C00215000
212.50 C00%0BIIB260814C00212500
210.00 C4.40-24.66%1307-27BIIB260814C00210000
207.50 C00%0BIIB260814C00207500
205.00 C8.23-10.54%1507-23BIIB260814C00205000
202.50 C00%0BIIB260814C00202500
200.00 C10.72+23.22%2407-23BIIB260814C00200000
197.50 C00%0BIIB260814C00197500
195.00 C13.80+6.15%121107-21BIIB260814C00195000
192.50 C13.260%6607-28BIIB260814C00192500
190.00 C00%0BIIB260814C00190000
187.50 C00%0BIIB260814C00187500
185.00 C00%0BIIB260814C00185000
182.50 C00%0BIIB260814C00182500
180.00 C00%0BIIB260814C00180000
175.00 C00%0BIIB260814C00175000
170.00 C00%0BIIB260814C00170000
165.00 C00%0BIIB260814C00165000
160.00 C00%0BIIB260814C00160000
155.00 C00%0BIIB260814C00155000
150.00 C00%0BIIB260814C00150000
145.00 C00%0BIIB260814C00145000
140.00 C00%0BIIB260814C00140000
135.00 C00%0BIIB260814C00135000
130.00 C00%0BIIB260814C00130000
125.00 C00%0BIIB260814C00125000
120.00 C00%0BIIB260814C00120000
115.00 C00%0BIIB260814C00115000
110.00 C00%0BIIB260814C00110000
Puts
StrikePriceChangeVolOILastContract Name
280.00 P00%0BIIB260814P00280000
275.00 P00%0BIIB260814P00275000
270.00 P00%0BIIB260814P00270000
265.00 P00%0BIIB260814P00265000
260.00 P64.400%1107-16BIIB260814P00260000
255.00 P00%0BIIB260814P00255000
250.00 P00%0BIIB260814P00250000
245.00 P00%0BIIB260814P00245000
240.00 P34.100%14707-07BIIB260814P00240000
235.00 P00%0BIIB260814P00235000
230.00 P00%0BIIB260814P00230000
227.50 P00%0BIIB260814P00227500
225.00 P20.900%1107-16BIIB260814P00225000
222.50 P00%0BIIB260814P00222500
220.00 P17.310%1107-16BIIB260814P00220000
217.50 P00%0BIIB260814P00217500
215.00 P17.46+38.02%101007-08BIIB260814P00215000
212.50 P00%0BIIB260814P00212500
210.00 P17.63+43.92%10607-10BIIB260814P00210000
207.50 P00%0BIIB260814P00207500
205.00 P11.35+26.53%223107-23BIIB260814P00205000
202.50 P00%0BIIB260814P00202500
200.00 P7.84-47.10%13007-21BIIB260814P00200000
197.50 P00%0BIIB260814P00197500
195.00 P4.80-14.29%157107-24BIIB260814P00195000
192.50 P00%0BIIB260814P00192500
190.00 P3.90-56.57%2307-21BIIB260814P00190000
187.50 P00%0BIIB260814P00187500
185.00 P2.45+19.51%1307-21BIIB260814P00185000
182.50 P00%0BIIB260814P00182500
180.00 P1.50-16.67%1107-20BIIB260814P00180000
175.00 P1.38+21.05%5507-17BIIB260814P00175000
170.00 P00%0BIIB260814P00170000
165.00 P00%0BIIB260814P00165000
160.00 P00%0BIIB260814P00160000
155.00 P00%0BIIB260814P00155000
150.00 P00%0BIIB260814P00150000
145.00 P00%0BIIB260814P00145000
140.00 P00%0BIIB260814P00140000
135.00 P00%0BIIB260814P00135000
130.00 P00%0BIIB260814P00130000
125.00 P00%0BIIB260814P00125000
120.00 P00%0BIIB260814P00120000
115.00 P00%0BIIB260814P00115000
110.00 P00%0BIIB260814P00110000


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