Arch Capital’s Q1 combined ratio (CoR) deteriorated 11.3 points year on year to 90.1%, as cat losses driven by the California wildfires offset the increase of favorable reserve development.
Pre-tax
Arch Q1 CoR increases 11.3 points to 90.1% as wildfire losses offset reserve releases
Overall, the company’s underwriting income fell 43% to $417mn in the first quarter.