Historical Volatility (Parkinson) (180-Day)
Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.
State Street Consumer Discretionary Select Sector SPDR ETF (XLY) had 180-Day Historical Volatility (Parkinson) of 0.1361 for 2026-01-21.
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