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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 ChainHistoricalExchangesShortsMore

Expiration Dates

Jul 31, 2026 Aug 7, 2026 Aug 14, 2026 Aug 21, 2026 Aug 28, 2026 Sep 4, 2026 Sep 18, 2026 Oct 16, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Jun 17, 2027 Jan 21, 2028

ITM/OTM for Aug 28, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
11	58	1	8

BIIB Aug 28, 2026 Exp. - Volume by Strike

Puts

Calls

BIIB Aug 28, 2026 Exp. - Open Interest by Strike

Puts

Calls

BIIB Aug 28, 2026 Exp. - Max Pain @ $195.00

Puts

Calls

BIIB Aug 28, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
280 C	0	0%	0			BIIB260828C00280000
275 C	0	0%	0			BIIB260828C00275000
270 C	0	0%	0			BIIB260828C00270000
265 C	0	0%	0			BIIB260828C00265000
260 C	0	0%	0			BIIB260828C00260000
255 C	0	0%	0			BIIB260828C00255000
250 C	0	0%	0			BIIB260828C00250000
245 C	1.05	0%	1	1	07-16	BIIB260828C00245000
240 C	1.50	+11.11%	1	4	07-24	BIIB260828C00240000
235 C	1.70	0%	1	1	07-16	BIIB260828C00235000
230 C	2.40	0%	23	23	07-16	BIIB260828C00230000
225 C	2.40	-11.11%	3	12	07-27	BIIB260828C00225000
220 C	3.86	-22.80%	10	14	07-22	BIIB260828C00220000
215 C	4.82	+40.12%	1	2	07-27	BIIB260828C00215000
210 C	4.63	0%	1	1	07-14	BIIB260828C00210000
205 C	11.05	-25.94%	2	3	07-28	BIIB260828C00205000
200 C	9.95	-15.68%	1	4	07-28	BIIB260828C00200000
195 C	15.73	-4.72%	1	2	07-21	BIIB260828C00195000
190 C	16.01	-14.84%	1	1	07-28	BIIB260828C00190000
185 C	0	0%	0			BIIB260828C00185000
180 C	26.28	0%	1	1	07-21	BIIB260828C00180000
175 C	0	0%	0			BIIB260828C00175000
170 C	0	0%	0			BIIB260828C00170000
165 C	0	0%	0			BIIB260828C00165000
160 C	0	0%	0			BIIB260828C00160000
155 C	0	0%	0			BIIB260828C00155000
150 C	0	0%	0			BIIB260828C00150000
145 C	0	0%	0			BIIB260828C00145000
140 C	0	0%	0			BIIB260828C00140000
135 C	0	0%	0			BIIB260828C00135000
130 C	0	0%	0			BIIB260828C00130000
125 C	0	0%	0			BIIB260828C00125000
120 C	0	0%	0			BIIB260828C00120000
115 C	0	0%	0			BIIB260828C00115000
110 C	0	0%	0			BIIB260828C00110000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
280 P	0	0%	0			BIIB260828P00280000
275 P	0	0%	0			BIIB260828P00275000
270 P	0	0%	0			BIIB260828P00270000
265 P	0	0%	0			BIIB260828P00265000
260 P	0	0%	0			BIIB260828P00260000
255 P	0	0%	0			BIIB260828P00255000
250 P	0	0%	0			BIIB260828P00250000
245 P	0	0%	0			BIIB260828P00245000
240 P	0	0%	0			BIIB260828P00240000
235 P	0	0%	0			BIIB260828P00235000
230 P	0	0%	0			BIIB260828P00230000
225 P	0	0%	0			BIIB260828P00225000
220 P	0	0%	0			BIIB260828P00220000
215 P	0	0%	0			BIIB260828P00215000
210 P	10.50	0%	1	1	07-28	BIIB260828P00210000
205 P	0	0%	0			BIIB260828P00205000
200 P	8.90	+7.23%	3	3	07-27	BIIB260828P00200000
195 P	0	0%	0			BIIB260828P00195000
190 P	4.67	0%	1	1	07-13	BIIB260828P00190000
185 P	3.95	-51.23%	1	2	07-20	BIIB260828P00185000
180 P	2.85	0%	1	1	07-20	BIIB260828P00180000
175 P	0	0%	0			BIIB260828P00175000
170 P	0	0%	0			BIIB260828P00170000
165 P	2.89	0%	1	1	07-14	BIIB260828P00165000
160 P	0	0%	0			BIIB260828P00160000
155 P	0	0%	0			BIIB260828P00155000
150 P	0	0%	0			BIIB260828P00150000
145 P	0	0%	0			BIIB260828P00145000
140 P	0	0%	0			BIIB260828P00140000
135 P	0	0%	0			BIIB260828P00135000
130 P	0	0%	0			BIIB260828P00130000
125 P	0	0%	0			BIIB260828P00125000
120 P	0	0%	0			BIIB260828P00120000
115 P	0	0%	0			BIIB260828P00115000
110 P	0	0%	0			BIIB260828P00110000

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