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.
Electro-Sensors, Inc. (ELSE) had 180-Day Historical Volatility (Close-to-Close) of 0.5685 for 2025-09-26.
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