Core Insights - Arch Capital Group Ltd. (ACGL) reported fourth-quarter 2024 operating income of 2.26pershare,exceedingtheZacksConsensusEstimateby224.7 billion, while net premiums written rose 17.1% year over year to 3.8billion[2]−Totalrevenuesreached4.5 billion, marking a 14.4% year-over-year increase and surpassing the Zacks Consensus Estimate by 6.1% [3] Investment Income and Losses - Net investment income grew by 29.3% year over year to 405million,althoughitfellshortoftheestimateof416.5 million [2] - Pre-tax current accident year catastrophic losses amounted to 393million,significantlyhigherthanthepreviousyear′slossof137 million, attributed to Hurricanes Milton and Helene [3] Underwriting Performance - The combined ratio deteriorated by 610 basis points to 85, compared to the estimate of 84.9 [4] - Underwriting income for the Insurance segment decreased by 69.7% year over year to 30million,withacombinedratioof98.5[6]SegmentAnalysis−IntheInsurancesegment,grosspremiumswrittensurged28.42.5 billion, while net premiums written climbed 34.9% to 1.9billion[5]−TheReinsurancesegmentsawgrosspremiumswrittendecreaseby1.51.9 billion, with net premiums written rising by 2% to 1.6billion[6][7]−TheMortgagesegmentexperienceda5.4331 million, while net premiums written increased by 8.6% to 277million[8][9]FinancialPosition−AsofDecember31,2024,ArchCapitalhadcashof979 million, a 6.8% increase from the end of 2023, and debt of 2.7billion,whichroseby0.0753.11, reflecting a 13.1% increase from the previous year [11] Full-Year Performance - For the full year 2024, Arch Capital reported an operating income of 9.28pershare,exceedingtheZacksConsensusEstimateby4.717.44 billion, beating the consensus mark by 6.6% and increasing by 28% year over year [12]