Historical Volatility (Close-to-Close) (90-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 Utilities Select Sector SPDR ETF (XLU) had 90-Day Historical Volatility (Close-to-Close) of 0.1456 for 2026-03-06.
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