Grayscale Bitcoin Trust ETF (GBTC)

Last Closing Price: 88.89 (2025-08-01)

Put-Call Implied Volatility Ratio (120-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Grayscale Bitcoin Trust ETF (GBTC) had 120-Day Put-Call Implied Volatility Ratio of 1.0886 for 2025-08-01.