Surplus lines market data, per query.

• How did Hurricane Idalia change Florida's surplus lines market?

  Premium in the 49 counties Idalia had federally declared rose 46.9% from 2022 to 2025. In the 18 counties the storm missed, it rose 39.9%. The gap is the storm. The rest is the market. Without that control group, every post-storm number is just the hard market wearing a hurricane costume.

  FEMA disaster declarations and county-level E&S premium, 2022 to 2025.

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• Do admitted-market rate increases show up in E&S premium later?

  In Texas property, admitted carriers filed an average rate change of +5.7% across 448 filings in 2022. The next year, E&S property premium grew +39.2%. Line the two series up, shift one by a year, and judge the lead for yourself. These are two aligned data families, not a prediction, and the endpoint says so.

  SLTX premium and Texas Department of Insurance rate filings, aligned on state, line, and year.

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• Where does one carrier actually write, state by state?

  State Farm's group book: $109.0B written across 49 states, ranked first in 37 of them, with a 10.3% national share. One call returns the rank, premium, share, and year-over-year change in every one of those states.

  NAIC market share reports for property/casualty groups and companies, 2024 data.

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• Is this carrier actually profitable?

  Kinsale ran a combined ratio of 78 in 2025, keeping 22 cents of underwriting profit on every premium dollar, and has held it near 79 for five straight years while its policyholder surplus tripled to $1.9B. Premium tells you how much a carrier writes. This tells you whether the writing makes money.

  Surplus lines insurers' NAIC annual-statement financials, FY2021 to FY2025.

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• Is this carrier in trouble?

  American Capital Assurance Corp went into liquidation on 14 April 2021 under Florida case 2021 CA 0641, and its claims fell to the guaranty associations of six states. Receiverships and regulator enforcement actions come back as one dossier per carrier, rather than as five states' worth of separate websites.

  State receivership registries and regulator enforcement orders, Florida, Texas, New York, California, Washington.

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• Is this carrier eligible to write surplus lines, and since when?

  Convex Insurance UK Limited is eligible, unrestricted, and on the list at least as far back as January 2025. The answer distinguishes "added on this date" from "listed by this date", because the underlying list only records the second one for older entries.

  NAIC Quarterly Listing of Alien Insurers, edition 252, July 2026.

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• Who writes the most surplus lines premium in Florida?

  Lloyd's, and it isn't close: $364.8M in June 2026, nearly five times the next carrier on the list. Rankings come back by month or by year, so you can watch positions move rather than read one frozen table.

  Florida stamping-office monthly premium report, June 2026.

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Also in here: how big the Texas market is this year, how fast California is growing, Florida against Texas side by side, whether Citizens is still shedding policies, and which counties carry a state's risk. See the whole picture.