Costco Wholesale Corporation (COST)

Last Closing Price: 978.85 (2025-08-13)

Historical Volatility (Close-to-Close) (30-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.

Costco Wholesale Corporation (COST) had 30-Day Historical Volatility (Close-to-Close) of 0.1635 for 2025-08-13.