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.
National Grid Transco, PLC (NGG) had 150-Day Implied Volatility (Puts) of 0.2938 for 2024-04-25.