Specialty lines — Prior years
Arch Capital Group Specialty lines — Prior years decreased by 80.0% to -$63.00M in Q1 2026 compared to the prior quarter. This decline may warrant attention — for this metric, higher values are generally preferred.
Analysis
How to read this metric
An increase represents favorable reserve development, which boosts current period underwriting income, while a decrease signals adverse development that may require additional reserve strengthening and negatively impact earnings.
Detailed definition
This metric represents the net favorable or unfavorable development of loss reserves established in previous underwritin...
Peer comparison
Peer insurance companies report similar reserve development metrics, often categorized by segment or line of business, to demonstrate the consistency and reliability of their underwriting and reserving processes.
acgl_segment_specialty_lines_prior_yearsHistorical Data
| Q3 '24 | Q1 '25 | Q1 '26 | |
|---|---|---|---|
| Value | -$35.00M | -$35.00M | -$63.00M |
| QoQ Change | — | +0.0% | -80.0% |
| YoY Change | — | — | -80.0% |
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Frequently Asked Questions
- What is Arch Capital Group's specialty lines — prior years?
- Arch Capital Group (ACGL) reported specialty lines — prior years of -$63.00M in Q1 2026.
- What does specialty lines — prior years mean?
- The change in estimated costs for insurance claims that occurred in previous years.