Grayscale Bitcoin Trust ETF (GBTC)

Last Closing Price: 49.00 (2026-07-09)

Implied Volatility (Puts) (90-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 90-Day Implied Volatility (Puts) of 0.4500 for 2026-07-09.