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.
USANA Health Sciences, Inc. (USNA) had 180-Day Historical Volatility (Close-to-Close) of 0.5370 for 2025-12-04.
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