Historical Volatility (Close-to-Close) (20-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.
The Health Care Select Sector SPDR Premium Income Fund (XLVI) had 20-Day Historical Volatility (Close-to-Close) of 0.0359 for 2025-09-23.
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