As of February 2026 Vistra has a market cap of โน5.283 Trillion. This makes Vistra the world's 418th 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 Feb 23rd, 2026 the market cap of Vistra was reported to be: