As of May 2026 Siebert Financial has a market cap of $72.87 Million USD. This makes Siebert Financial the world's 9708th 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 May 22nd, 2026 the market cap of Siebert Financial was reported to be: