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 Energy Select Sector SPDR Premium Income ETF (XLEI) had 30-Day Historical Volatility (Close-to-Close) of 0.1610 for 2025-12-23.
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