Ionis Pharmaceuticals, Inc. (IONS)

Last Closing Price: 58.09 (2026-09-04)

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 1.0379 for 2026-09-04.