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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

ITM/OTM for Mar 19, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
98	519	15	472

Puts

Calls

Puts

Calls

Puts

Calls

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
320 C	2.00	-4.76%	2	6	07-28	BIIB270319C00320000
310 C	2.50	-10.71%	2	6	07-28	BIIB270319C00310000
300 C	3.60	-10.00%	2	9	07-28	BIIB270319C00300000
290 C	4.20	-12.50%	3	250	07-28	BIIB270319C00290000
280 C	5.80	-34.09%	1	21	07-28	BIIB270319C00280000
270 C	6.68	0%	1	1	06-22	BIIB270319C00270000
260 C	11.00	-20.69%	10	11	07-07	BIIB270319C00260000
250 C	12.00	+6.19%	4	121	07-16	BIIB270319C00250000
240 C	13.60	+3.03%	2	16	07-28	BIIB270319C00240000
230 C	16.87	+75.73%	2	4	06-17	BIIB270319C00230000
220 C	27.35	+27.80%	15	55	07-17	BIIB270319C00220000
210 C	26.00	-25.82%	2	19	07-28	BIIB270319C00210000
200 C	29.40	-22.53%	1	37	07-28	BIIB270319C00200000
195 C	32.20	+23.32%	1	15	07-28	BIIB270319C00195000
190 C	28.41	-5.30%	1	10	07-14	BIIB270319C00190000
185 C	33.50	0%	1	1	05-19	BIIB270319C00185000
180 C	43.45	+7.28%	2	3	07-16	BIIB270319C00180000
175 C	34.00	0%	1	1	04-20	BIIB270319C00175000
170 C	43.50	0%	2	2	05-15	BIIB270319C00170000
165 C	45.80	0%	3	3	03-25	BIIB270319C00165000
160 C	49.79	0%	1	0	05-22	BIIB270319C00160000
155 C	53.50	0%	2	0	05-22	BIIB270319C00155000
150 C	52.64	+23.57%	1	7	07-14	BIIB270319C00150000
145 C	0	0%	0			BIIB270319C00145000
140 C	69.05	0%	1	1	05-27	BIIB270319C00140000
135 C	66.40	0%	1	1	03-10	BIIB270319C00135000
130 C	0	0%	0			BIIB270319C00130000
125 C	0	0%	0			BIIB270319C00125000
120 C	85.70	0%	1	1	07-16	BIIB270319C00120000
115 C	0	0%	0			BIIB270319C00115000
110 C	0	0%	0			BIIB270319C00110000
105 C	85.92	-0.98%	13	13	03-20	BIIB270319C00105000
100 C	0	0%	0			BIIB270319C00100000
95 C	88.08	0%	3	3	04-08	BIIB270319C00095000
90 C	0	0%	0			BIIB270319C00090000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
320 P	0	0%	0			BIIB270319P00320000
310 P	0	0%	0			BIIB270319P00310000
300 P	0	0%	0			BIIB270319P00300000
290 P	0	0%	0			BIIB270319P00290000
280 P	0	0%	0			BIIB270319P00280000
270 P	0	0%	0			BIIB270319P00270000
260 P	0	0%	0			BIIB270319P00260000
250 P	0	0%	0			BIIB270319P00250000
240 P	0	0%	0			BIIB270319P00240000
230 P	54.50	0%	4	4	04-28	BIIB270319P00230000
220 P	48.40	0%	3	3	04-14	BIIB270319P00220000
210 P	23.00	-23.33%	5	8	06-26	BIIB270319P00210000
200 P	22.00	-1.79%	99	107	07-27	BIIB270319P00200000
195 P	21.40	+5.42%	1	40	06-17	BIIB270319P00195000
190 P	23.10	-21.16%	5	6	05-06	BIIB270319P00190000
185 P	17.10	+46.03%	4	7	07-10	BIIB270319P00185000
180 P	15.00	-18.48%	6	42	07-10	BIIB270319P00180000
175 P	0	0%	0			BIIB270319P00175000
170 P	16.60	-22.86%	3	5	04-30	BIIB270319P00170000
165 P	7.00	-53.02%	1	5	07-06	BIIB270319P00165000
160 P	8.55	-6.35%	6	10	07-09	BIIB270319P00160000
155 P	6.40	+28.00%	1	9	07-24	BIIB270319P00155000
150 P	5.20	-1.89%	1	48	07-27	BIIB270319P00150000
145 P	3.38	-72.52%	2	35	06-30	BIIB270319P00145000
140 P	11.00	+4.76%	39	78	04-07	BIIB270319P00140000
135 P	3.05	+27.08%	2	13	07-20	BIIB270319P00135000
130 P	3.15	+65.79%	2	14	07-14	BIIB270319P00130000
125 P	2.80	+80.65%	1	9	07-15	BIIB270319P00125000
120 P	1.60	+23.08%	1	3	07-22	BIIB270319P00120000
115 P	1.30	+30.00%	1	5	07-22	BIIB270319P00115000
110 P	1.05	+10.53%	1	5	07-22	BIIB270319P00110000
105 P	0	0%	0			BIIB270319P00105000
100 P	2.47	+54.38%	2	6	05-14	BIIB270319P00100000
95 P	2.45	0%	10	5	05-14	BIIB270319P00095000
90 P	2.40	+7.62%	2	20	05-14	BIIB270319P00090000