Historical Volatility (Close-to-Close) (20-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 SPDR Portfolio Short Term Treasury ETF (SPTS) had 20-Day Historical Volatility (Close-to-Close) of 0.0216 for 2025-12-04.
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