Historical Volatility (Close-to-Close) (180-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 High Yield Bond ETF (SPHY) had 180-Day Historical Volatility (Close-to-Close) of 0.0294 for 2026-01-16.
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