RLI Corp. (RLI) traded lower on Friday, April 24, 2026, extending a post-earnings pullback after the company’s first-quarter 2026 update. The move follows the market’s reaction to slightly softer profitability versus the prior year and a cautious read-through on catastrophe exposure and investment mark-to-market pressure.

In the quarter, RLI reported operating earnings per share of $0.83, down from the prior-year period, alongside GAAP EPS of $0.60. While underwriting remained profitable (companywide combined ratio referenced around the mid-80s), management commentary and the numbers highlighted that results were more “tempered” than a particularly strong prior-year quarter, with catastrophe activity contributing to the change in tone.

First, catastrophe losses weighed on property results, with management citing storm activity (including recent Hawaii storms) and quantifying catastrophe events in property at roughly $14 million. Second, the investment portfolio’s total return was slightly negative (about -0.4%) as market price declines in stocks and bonds offset income gains, which can matter for insurers when rates and risk assets are volatile—even if net investment income is rising.

Investors are likely to watch whether RLI can sustain pricing discipline and underwriting profitability in casualty and transportation while limiting volatility from catastrophe events. Near-term trading could also be influenced by technical factors after the stock recently probed new 12-month lows, increasing sensitivity to incremental changes in guidance, reserve development, and the pace of premium growth.