Merck & Co., Inc. (MRK)

Last Closing Price: 81.02 (2025-09-15)

Historical Volatility (Close-to-Close) (60-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Merck & Co., Inc. (MRK) had 60-Day Historical Volatility (Close-to-Close) of 0.2558 for 2025-09-15.