Winchester Bancorp, Inc. (WSBK)

Last Closing Price: 12.68 (2026-05-22)

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.

Winchester Bancorp, Inc. (WSBK) had 180-Day Historical Volatility (Close-to-Close) of 0.2035 for 2026-05-22.