As of January 2026 RLI Corp. has a market cap of โน492.54 Billion. This makes RLI Corp. the world's 2967th 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 Jan 13th, 2026 the market cap of RLI Corp. was reported to be: