Grayscale Bitcoin Trust ETF (GBTC)

Last Closing Price: 87.31 (2025-08-26)

Implied Volatility (Puts) (30-Day)

Implied Volatility (Puts): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money put options with the relevant expiration date.

Grayscale Bitcoin Trust ETF (GBTC) had 30-Day Implied Volatility (Puts) of 0.3767 for 2025-08-26.