As of December 2025 Appian has a market cap of HK$23.60 Billion. This makes Appian the world's 3919th 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 6th, 2025 the market cap of Appian was reported to be: