Costco Wholesale Corporation (COST)

Last Closing Price: 975.39 (2025-08-14)

Historical Volatility (Close-to-Close) (90-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 90-Day Historical Volatility (Close-to-Close) of 0.1744 for 2025-08-14.