As of October 2026 Vistra has a market cap of A$77.56 Billion. This makes Vistra the world's 457th 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 Oct 9th, 2026 the market cap of Vistra was reported to be: