Protagonist Therapeutics, Inc. (PTGX)

Last Closing Price: 131.50 (2026-07-06)

Implied Volatility Skew (20-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 20-Day Implied Volatility Skew of 0.0275 for 2026-07-06.