Historical Volatility (Close-to-Close) (30-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.
State Street Health Care Select Sector SPDR ETF ETF (XLV) had 30-Day Historical Volatility (Close-to-Close) of 0.1667 for 2025-12-15.
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