Protagonist Therapeutics, Inc. (PTGX)

Last Closing Price: 134.44 (2026-10-19)

Implied Volatility Skew (150-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

Protagonist Therapeutics, Inc. (PTGX) had 150-Day Implied Volatility Skew of -0.0012 for 2026-10-19.