Historical Volatility (Close-to-Close) (60-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 Materials Select Sector SPDR Premium Income ETF (XLBI) had 60-Day Historical Volatility (Close-to-Close) of 0.1286 for 2025-12-23.
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