As of May 2026 Vistra has a market cap of โน4.397 Trillion. This makes Vistra the world's 534th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On May 19th, 2026 the market cap of Vistra was reported to be: