Protagonist Therapeutics, Inc. (PTGX)

Last Closing Price: 81.99 (2026-01-16)

Implied Volatility (Puts) (120-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.

Protagonist Therapeutics, Inc. (PTGX) had 120-Day Implied Volatility (Puts) of 0.3975 for 2026-01-16.