National Grid Transco, PLC (NGG)

Last Closing Price: 73.52 (2025-06-27)

Implied Volatility (Puts) (10-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 10-Day Implied Volatility (Puts) of 0.1376 for 2025-06-27.