Grayscale Bitcoin Mini Trust (BTC)

Last Closing Price: 33.18 (2026-04-21)

Implied Volatility (Puts) (180-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 Mini Trust (BTC) had 180-Day Implied Volatility (Puts) of 0.4368 for 2026-04-21.