Price Alert

Biogen Inc. (BIIB)

NASDAQ: BIIB · Real-Time Price · USD

159.88

4.63 (2.98%)

At close: Oct 03, 2025, 3:59 PM

159.00

-0.55%

After-hours: Oct 03, 2025, 07:58 PM EDT

BIIB Option Overview

Overview for all option chains of BIIB. As of October 05, 2025, BIIB options have an IV of 85.59% and an IV rank of 86.07%. The volume is 6,275 contracts, which is 258.23% of average daily volume of 2,430 contracts. The volume put-call ratio is 0.6, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

85.59%

IV Rank

86.07%

Historical Volatility

39.85%

IV Low

37.24% on Oct 08, 2024

IV High

93.42% on Oct 03, 2025

Open Interest (OI)

Today's Open Interest

67,017

Put-Call Ratio

0.61

Put Open Interest

25,322

Call Open Interest

41,695

Open Interest Avg (30-day)

51,650

Today vs Open Interest Avg (30-day)

129.75%

Option Volume

Today's Volume

6,275

Put-Call Ratio

0.6

Put Volume

2,360

Call Volume

3,915

Volume Avg (30-day)

2,430

Today vs Volume Avg (30-day)

258.23%

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
Oct 10, 2025	1,236	134	0.11	867	293	0.34	135.55%	144
Oct 17, 2025	728	1,073	1.47	7,497	6,613	0.88	93.97%	135
Oct 24, 2025	280	176	0.63	385	200	0.52	77.22%	144
Oct 31, 2025	80	2	0.03	271	214	0.79	76.39%	133
Nov 07, 2025	12	2	0.17	50	13	0.26	74.89%	140
Nov 14, 2025	2	7	3.5	4	1	0.25	69.16%	145
Nov 21, 2025	343	482	1.41	2,146	1,494	0.7	65.09%	125
Dec 19, 2025	190	157	0.83	3,783	295	0.08	58.67%	140
Jan 16, 2026	689	72	0.1	15,135	9,115	0.6	52.19%	130
Mar 20, 2026	259	200	0.77	6,429	909	0.14	51.99%	140
Apr 17, 2026	4	12	3	105	36	0.34	51.19%	140
Jun 18, 2026	32	0	0	1,087	878	0.81	47.46%	145
Sep 18, 2026	11	21	1.91	132	1,038	7.86	44.83%	155
Dec 18, 2026	8	0	0	1,259	1,467	1.17	38.12%	145
Jan 15, 2027	36	12	0.33	2,505	2,633	1.05	39.16%	135
Jan 21, 2028	5	10	2	40	123	3.08	40.99%	145