Prothena Corporation plc (PRTA)

Last Closing Price: 8.35 (2026-10-16)

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.

Prothena Corporation plc (PRTA) had 150-Day Implied Volatility Skew of -0.1111 for 2026-10-16.