Regeneron Pharmaceuticals, Inc. (REGN)

Last Closing Price: 638.88 (2026-05-22)

Put-Call Implied Volatility Ratio (60-Day)

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

Regeneron Pharmaceuticals, Inc. (REGN) had 60-Day Put-Call Implied Volatility Ratio of 0.9997 for 2026-05-22.