As of April 2026 RLI Corp. has a market cap of โน504.82 Billion. This makes RLI Corp. the world's 3050th 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 Apr 19th, 2026 the market cap of RLI Corp. was reported to be: