Historical Volatility (Close-to-Close) (150-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 Financial Select Sector SPDR Premium Income ETF (XLFI) had 150-Day Historical Volatility (Close-to-Close) of 0.1148 for 2025-12-29.
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