As of November 2026 Interactive Brokers has a market cap of C$188.98 Billion. This makes Interactive Brokers the world's 159th 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 Nov 8th, 2026 the market cap of Interactive Brokers was reported to be: