Products & Services · Year One
Property excluding property catastrophe — Year One
Arch Capital Group Property excluding property catastrophe — Year One decreased by 11.4% to 20.9% in Q4 2025 compared to the prior quarter. This is a positive signal — lower values indicate better performance for this metric.
Analysis
StatementSegment
CategoryEfficiency
SignalLower is better
VolatilityModerate
First reportedQ4 2022
Last reportedQ4 2025
How to read this metric
Helps identify early-stage loss trends and the accuracy of initial pricing models.
Detailed definition
This represents the loss development or claims experience specifically for the first year following the inception of the...
Peer comparison
Standard element of loss development triangles; used by actuaries to benchmark early-year loss ratios.
Metric ID:
acgl_segment_property_excluding_property_catastrophe_year_oneHistorical Data
4 periods
| Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|
| Value | 27% | 25% | 23.6% | 20.9% |
| QoQ Change | — | -7.4% | -5.6% | -11.4% |
| YoY Change | — | -7.4% | -5.6% | -11.4% |
Range20.9% – 27%
Avg YoY Growth-8.1%
Median YoY Growth-7.4%
Current Streak3+ quarters decline
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Frequently Asked Questions
- What is Arch Capital Group's property excluding property catastrophe — year one?
- Arch Capital Group (ACGL) reported property excluding property catastrophe — year one of 20.9% in Q4 2025.
- What does property excluding property catastrophe — year one mean?
- The claims experience observed during the first year of an underwriting period.