Ionis Pharmaceuticals, Inc. (IONS)

Last Closing Price: 77.53 (2026-01-20)

Put-Call Implied Volatility Ratio (120-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Ionis Pharmaceuticals, Inc. (IONS) had 120-Day Put-Call Implied Volatility Ratio of 1.0084 for 2026-01-16.