Sionna Therapeutics, Inc. (SION)

Last Closing Price: 4.15 (2026-10-20)

Implied Volatility (Calls) (20-Day)

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

Sionna Therapeutics, Inc. (SION) had 20-Day Implied Volatility (Calls) of 1.8868 for 2026-10-20.