Implied Volatility (Puts) (150-Day)
Implied Volatility (Puts): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money put options with the relevant expiration date.
SPDR S&P 500 ETF (SPY) had 150-Day Implied Volatility (Puts) of 0.2664 for 2022-05-20.