As of December 2025 Vistra has a market cap of A$87.71 Billion. This makes Vistra the world's 395th 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 Dec 10th, 2025 the market cap of Vistra was reported to be: