Amphastar Pharmaceuticals, Inc. (AMPH)

Last Closing Price: 22.92 (2026-04-20)

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.

Amphastar Pharmaceuticals, Inc. (AMPH) had 20-Day Implied Volatility (Calls) of 0.4642 for 2026-04-20.