Price Alert

Grayscale Bitcoin Trust E... (GBTC)

AMEX: GBTC · Real-Time Price · USD

89.80

0.97 (1.09%)

At close: Aug 20, 2025, 3:59 PM

89.76

-0.04%

After-hours: Aug 20, 2025, 07:52 PM EDT

GBTC Option Overview

Overview for all option chains of GBTC. As of August 21, 2025, GBTC options have an IV of 43.12% and an IV rank of n/a. The volume is 1,990 contracts, which is 94.63% of average daily volume of 2,103 contracts. The volume put-call ratio is 0.38, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

43.12%

IV Rank

< 0.01%

Historical Volatility

30.66%

IV Low

47.29% on Jul 31, 2025

IV High

500% on Jun 24, 2025

Open Interest (OI)

Today's Open Interest

55,540

Put-Call Ratio

0.33

Put Open Interest

13,912

Call Open Interest

41,628

Open Interest Avg (30-day)

43,170

Today vs Open Interest Avg (30-day)

128.65%

Option Volume

Today's Volume

1,990

Put-Call Ratio

0.38

Put Volume

548

Call Volume

1,442

Volume Avg (30-day)

2,103

Today vs Volume Avg (30-day)

94.63%

Option Chain Statistics

This table provides a comprehensive overview of all GBTC 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 22, 2025	570	158	0.28	6,100	519	0.09	122.22%	89
Aug 29, 2025	98	73	0.74	1,002	469	0.47	55.39%	92
Sep 05, 2025	36	13	0.36	631	217	0.34	35.08%	88
Sep 12, 2025	150	6	0.04	351	76	0.22	34.02%	89
Sep 19, 2025	171	73	0.43	7,950	3,225	0.41	43.12%	84
Sep 26, 2025	38	7	0.18	208	192	0.92	35.22%	91.5
Oct 17, 2025	27	5	0.19	253	38	0.15	37.78%	84
Dec 19, 2025	102	4	0.04	14,759	5,141	0.35	47.22%	66
Jan 16, 2026	143	203	1.42	6,385	3,157	0.49	47.86%	80
Mar 20, 2026	3	0	0	437	241	0.55	46.99%	88
Jan 15, 2027	104	6	0.06	3,552	637	0.18	50.87%	70