National Grid Transco, PLC (NGG)

Last Closing Price: 78.12 (2026-09-04)

Implied Volatility Skew (30-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

National Grid Transco, PLC (NGG) had 30-Day Implied Volatility Skew of 0.0431 for 2026-09-04.