SPDR S&P 500 ETF (SPY)

Last Price: 455.55 (2021-10-25)

Historical Volatility (Parkinson) (20-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.

SPDR S&P 500 ETF (SPY) had 20-Day Historical Volatility (Parkinson) of 0.0861 for 2021-10-25.