Grayscale Bitcoin Trust ETF (GBTC)

Last Closing Price: 83.26 (2025-05-29)

Implied Volatility (Puts) (10-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 10-Day Implied Volatility (Puts) of 0.4424 for 2025-05-28.