Price Alert

Biogen Inc. (BIIB)

NASDAQ: BIIB · Real-Time Price · USD

137.51

2.57 (1.90%)

At close: Aug 15, 2025, 12:47 PM

BIIB Option Overview

Overview for all option chains of BIIB. As of August 15, 2025, BIIB options have an IV of 39.62% and an IV rank of 15.19%. The volume is 1,865 contracts, which is 114.42% of average daily volume of 1,630 contracts. The volume put-call ratio is 0.32, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

39.62%

IV Rank

15.19%

Historical Volatility

34.09%

IV Low

35.83% on Sep 26, 2024

IV High

60.79% on Aug 13, 2025

Open Interest (OI)

Today's Open Interest

63,666

Put-Call Ratio

0.49

Put Open Interest

20,825

Call Open Interest

42,841

Open Interest Avg (30-day)

56,721

Today vs Open Interest Avg (30-day)

112.24%

Option Volume

Today's Volume

1,865

Put-Call Ratio

0.32

Put Volume

457

Call Volume

1,408

Volume Avg (30-day)

1,630

Today vs Volume Avg (30-day)

114.42%

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
Aug 15, 2025	121	77	0.64	7,835	1,110	0.14	120.19%	125
Aug 22, 2025	102	25	0.25	336	329	0.98	49.37%	130
Aug 29, 2025	24	13	0.54	628	297	0.47	39.62%	125
Sep 05, 2025	0	1	0	111	108	0.97	38.78%	131
Sep 12, 2025	1	0	0	75	177	2.36	34.44%	135
Sep 19, 2025	65	104	1.6	8,922	4,818	0.54	66.17%	120
Sep 26, 2025	14	0	0	14	12	0.86	33.26%	135
Oct 17, 2025	82	37	0.45	3,437	1,359	0.4	46.09%	130
Jan 16, 2026	220	182	0.83	13,823	7,307	0.53	59.48%	120
Mar 20, 2026	4	7	1.75	1,369	580	0.42	38.32%	130
Apr 17, 2026	0	1	0	0	0	0	36.69%	65
Jun 18, 2026	0	2	0	711	447	0.63	36.59%	130
Sep 18, 2026	2	4	2	42	228	5.43	36.59%	135
Dec 18, 2026	15	2	0.13	1,240	1,465	1.18	37.39%	145
Jan 15, 2027	758	2	0	4,298	2,588	0.6	36.48%	130