Insurance — Prior years
Arch Capital Group Insurance — Prior years decreased by 250.0% to -$14.00M in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 17.6%, from -$17.00M to -$14.00M. Over 3 years (FY 2021 to FY 2025), Insurance — Prior years shows an upward trend with a -17.8% CAGR. This is a positive signal — lower values indicate better performance for this metric.
Analysis
How to read this metric
Favorable development (negative impact on losses) indicates conservative initial reserving, while adverse development suggests under-reserving.
Detailed definition
The net impact of changes in estimates for losses and loss adjustment expenses related to claims from previous underwrit...
Peer comparison
Commonly disclosed by insurers to demonstrate the stability and accuracy of their actuarial reserving processes.
acgl_segment_insurance_prior_yearsHistorical Data
| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | -$28.50M | -$49.00M | -$7.30M | -$19.00M | -$14.30M | -$15.90M | -$6.10M | -$25.00M | -$30.00M | -$30.00M | -$22.00M | -$30.00M | -$45.00M | -$31.00M | -$17.00M | -$13.00M | -$27.00M | -$4.00M | -$14.00M |
| QoQ Change | — | -71.9% | +85.1% | -160.3% | +24.7% | -11.2% | +61.6% | -309.8% | -20.0% | +0.0% | +26.7% | -36.4% | -50.0% | +31.1% | +45.2% | +23.5% | -107.7% | +85.2% | -250.0% |
| YoY Change | — | — | — | — | +49.8% | +67.6% | +16.4% | -31.6% | -109.8% | -88.7% | -260.7% | -20.0% | -50.0% | -3.3% | +43.3% | +71.1% | +12.9% | — | +17.6% |
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Frequently Asked Questions
- What is Arch Capital Group's insurance — prior years?
- Arch Capital Group (ACGL) reported insurance — prior years of -$14.00M in Q1 2026.
- How has Arch Capital Group's insurance — prior years changed year-over-year?
- Arch Capital Group's insurance — prior years increased by 17.6% year-over-year, from -$17.00M to -$14.00M.
- What is the long-term trend for Arch Capital Group's insurance — prior years?
- Over 3 years (2021 to 2025), Arch Capital Group's insurance — prior years has grown at a -17.8% compound annual growth rate (CAGR), from -$109.80M to -$61.00M.
- What does insurance — prior years mean?
- The gain or loss resulting from adjusting claim reserves set in previous years.