As of October 2026 IDT Corporation has a market cap of โน195.85 Billion. This makes IDT Corporation the world's 4886th 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 8th, 2026 the market cap of IDT Corporation was reported to be: