As of December 2025 Five9 has a market cap of A$2.53 Billion. This makes Five9 the world's 4978th 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 9th, 2025 the market cap of Five9 was reported to be: