Products & Services · Year One
Marine and aviation — Year One
Arch Capital Group Marine and aviation — Year One increased by 28.6% to 1.8% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 28.6%, from 1.4% to 1.8%. This increase may warrant attention — for this metric, lower values are generally preferred.
Analysis
StatementSegment
CategoryEfficiency
SignalLower is better
VolatilityVolatile
First reportedQ4 2018
Last reportedQ4 2025
How to read this metric
Higher initial losses may indicate aggressive pricing or poor risk selection, while lower losses suggest strong initial underwriting performance.
Detailed definition
Represents the loss development data for the first year following the inception of an underwriting year in the marine an...
Peer comparison
Standard component of loss development triangles in insurance financial reporting.
Metric ID:
acgl_segment_marine_and_aviation_year_oneHistorical Data
5 periods
| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | 4.9% | 4.5% | 3% | 1.4% | 1.8% |
| QoQ Change | — | -8.2% | -33.3% | -53.3% | +28.6% |
| YoY Change | — | -8.2% | -33.3% | -53.3% | +28.6% |
Range1.4% – 4.9%
CAGR-63.3%
Avg YoY Growth-16.6%
Median YoY Growth-20.7%
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Frequently Asked Questions
- What is Arch Capital Group's marine and aviation — year one?
- Arch Capital Group (ACGL) reported marine and aviation — year one of 1.8% in Q4 2025.
- How has Arch Capital Group's marine and aviation — year one changed year-over-year?
- Arch Capital Group's marine and aviation — year one increased by 28.6% year-over-year, from 1.4% to 1.8%.
- What does marine and aviation — year one mean?
- The loss experience recorded during the first year of an insurance policy's life.