Implied Volatility (Puts) (180-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 180-Day Implied Volatility (Puts) of 0.2263 for 2025-10-28.
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