Winmark Corporation (WINA)

Last Closing Price: 337.25 (2026-08-28)

Historical Volatility (Close-to-Close) (180-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.

Winmark Corporation (WINA) had 180-Day Historical Volatility (Close-to-Close) of 0.4051 for 2026-08-28.