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.
Materials Select Sector SPDR ETF (XLB) had 150-Day Historical Volatility (Close-to-Close) of 0.2558 for 2025-06-09.
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