Price Alert

Biogen Inc. (BIIB)

NASDAQ: BIIB · Real-Time Price · USD

142.77

1.42 (1.00%)

At close: Sep 09, 2025, 1:54 PM

BIIB Option Overview

Overview for all option chains of BIIB. As of September 09, 2025, BIIB options have an IV of 42.91% and an IV rank of 28.18%. The volume is 1,522 contracts, which is 109.58% of average daily volume of 1,389 contracts. The volume put-call ratio is 0.68, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

42.91%

IV Rank

28.18%

Historical Volatility

31.89%

IV Low

35.83% on Sep 26, 2024

IV High

60.96% on Sep 02, 2025

Open Interest (OI)

Today's Open Interest

59,734

Put-Call Ratio

0.59

Put Open Interest

22,058

Call Open Interest

37,676

Open Interest Avg (30-day)

55,038

Today vs Open Interest Avg (30-day)

108.53%

Option Volume

Today's Volume

1,522

Put-Call Ratio

0.68

Put Volume

617

Call Volume

905

Volume Avg (30-day)

1,389

Today vs Volume Avg (30-day)

109.58%

Option Chain Statistics

This table provides a comprehensive overview of all BIIB options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Sep 12, 2025	228	101	0.44	1,428	447	0.31	58.7%	136
Sep 19, 2025	242	81	0.33	9,763	5,268	0.54	45.85%	125
Sep 26, 2025	18	32	1.78	200	158	0.79	38.58%	136
Oct 03, 2025	13	1	0.08	86	54	0.63	39.97%	136
Oct 10, 2025	5	1	0.2	6	27	4.5	37.22%	138
Oct 17, 2025	124	234	1.89	5,262	1,968	0.37	50.94%	120
Oct 24, 2025	2	4	2	7	13	1.86	36.23%	150
Jan 16, 2026	126	61	0.48	14,396	8,431	0.59	60.79%	130
Mar 20, 2026	15	2	0.13	2,010	659	0.33	39.86%	135
Apr 17, 2026	3	0	0	43	18	0.42	37.59%	140
Jun 18, 2026	115	98	0.85	774	520	0.67	36.92%	130
Sep 18, 2026	0	0	0	58	440	7.59	35.43%	135
Dec 18, 2026	0	2	0	1,266	1,465	1.16	36.27%	145
Jan 15, 2027	14	0	0	2,377	2,590	1.09	35.08%	135