Dark

Check out our API

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 ChainHistoricalExchangesShortsMore

Expiration Dates

Sep 18, 2026 Sep 25, 2026 Oct 2, 2026 Oct 9, 2026 Oct 16, 2026 Oct 23, 2026 Oct 30, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Apr 16, 2027 Jun 17, 2027 Sep 17, 2027 Jan 21, 2028

ITM/OTM for Oct 2, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
3	41	9	73

BIIB Oct 2, 2026 Exp. - Volume by Strike

Puts

Calls

BIIB Oct 2, 2026 Exp. - Open Interest by Strike

Puts

Calls

BIIB Oct 2, 2026 Exp. - Max Pain @ $230.00

Puts

Calls

BIIB Oct 2, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
295 C	0	0%	0			BIIB261002C00295000
290 C	0	0%	0			BIIB261002C00290000
285 C	0	0%	0			BIIB261002C00285000
280 C	0	0%	0			BIIB261002C00280000
275 C	0	0%	0			BIIB261002C00275000
270 C	0	0%	0			BIIB261002C00270000
265 C	0	0%	0			BIIB261002C00265000
260 C	0	0%	0			BIIB261002C00260000
255 C	0	0%	0			BIIB261002C00255000
250 C	1.20	0%	7	7	09-02	BIIB261002C00250000
245 C	1.92	-6.34%	1	2	08-26	BIIB261002C00245000
240 C	2.60	0%	4	4	09-02	BIIB261002C00240000
235 C	1.50	-62.50%	1	8	09-10	BIIB261002C00235000
230 C	2.15	-14.68%	4	15	09-14	BIIB261002C00230000
225 C	3.64	+21.33%	2	2	09-14	BIIB261002C00225000
220 C	7.49	-28.67%	2	3	08-31	BIIB261002C00220000
215 C	5.13	-54.96%	2	3	09-10	BIIB261002C00215000
210 C	0	0%	0			BIIB261002C00210000
205 C	12.12	-34.38%	1	0	09-09	BIIB261002C00205000
200 C	0	0%	0			BIIB261002C00200000
195 C	0	0%	0			BIIB261002C00195000
190 C	0	0%	0			BIIB261002C00190000
185 C	0	0%	0			BIIB261002C00185000
180 C	0	0%	0			BIIB261002C00180000
175 C	0	0%	0			BIIB261002C00175000
170 C	0	0%	0			BIIB261002C00170000
165 C	0	0%	0			BIIB261002C00165000
160 C	0	0%	0			BIIB261002C00160000
155 C	0	0%	0			BIIB261002C00155000
150 C	0	0%	0			BIIB261002C00150000
145 C	0	0%	0			BIIB261002C00145000
140 C	0	0%	0			BIIB261002C00140000
135 C	0	0%	0			BIIB261002C00135000
130 C	0	0%	0			BIIB261002C00130000
125 C	0	0%	0			BIIB261002C00125000
120 C	0	0%	0			BIIB261002C00120000
115 C	0	0%	0			BIIB261002C00115000
110 C	0	0%	0			BIIB261002C00110000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
295 P	0	0%	0			BIIB261002P00295000
290 P	0	0%	0			BIIB261002P00290000
285 P	0	0%	0			BIIB261002P00285000
280 P	0	0%	0			BIIB261002P00280000
275 P	0	0%	0			BIIB261002P00275000
270 P	0	0%	0			BIIB261002P00270000
265 P	0	0%	0			BIIB261002P00265000
260 P	0	0%	0			BIIB261002P00260000
255 P	0	0%	0			BIIB261002P00255000
250 P	0	0%	0			BIIB261002P00250000
245 P	0	0%	0			BIIB261002P00245000
240 P	0	0%	0			BIIB261002P00240000
235 P	0	0%	0			BIIB261002P00235000
230 P	10.50	0%	9	9	09-03	BIIB261002P00230000
225 P	0	0%	0			BIIB261002P00225000
220 P	0	0%	0			BIIB261002P00220000
215 P	8.10	+76.09%	1	3	09-08	BIIB261002P00215000
210 P	5.35	-15.08%	4	5	09-08	BIIB261002P00210000
205 P	3.74	+20.65%	3	4	09-08	BIIB261002P00205000
200 P	2.95	+40.48%	16	37	09-09	BIIB261002P00200000
195 P	1.25	-16.67%	1	21	08-28	BIIB261002P00195000
190 P	1.00	0%	2	2	08-27	BIIB261002P00190000
185 P	0.70	0%	1	1	08-27	BIIB261002P00185000
180 P	0	0%	0			BIIB261002P00180000
175 P	0	0%	0			BIIB261002P00175000
170 P	0	0%	0			BIIB261002P00170000
165 P	0	0%	0			BIIB261002P00165000
160 P	0	0%	0			BIIB261002P00160000
155 P	0	0%	0			BIIB261002P00155000
150 P	0	0%	0			BIIB261002P00150000
145 P	0	0%	0			BIIB261002P00145000
140 P	0	0%	0			BIIB261002P00140000
135 P	0	0%	0			BIIB261002P00135000
130 P	0	0%	0			BIIB261002P00130000
125 P	0	0%	0			BIIB261002P00125000
120 P	0	0%	0			BIIB261002P00120000
115 P	0	0%	0			BIIB261002P00115000
110 P	0	0%	0			BIIB261002P00110000

Share