SPDR S&P 500 ETF (SPY)

Last Price: 434.04 (2021-09-20)

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.

SPDR S&P 500 ETF (SPY) had 20-Day Historical Volatility (Close-to-Close) of 0.0975 for 2021-09-20.