Home Welcome to National Grid Investors Share price and returns centre Share price calculator Use our share price calculator to calculate the value of your holding. GBp = pence USD = United States Dollar London Stock Exchange New York Stock Exchange Share Price and Returns Centre View the current share price or use our tools to compare data and calculate the value of your holding. News Read all of our latest financial news plus investor materials. Managing your shareholding All the information and resources you need to manage your shareholding.