Business Segments · Loss ratio
Insurance — Loss ratio
Arch Capital Group Insurance — Loss ratio increased by 2.0% to 60.2% in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 8.8%, from 66.0% to 60.2%. This increase may warrant attention — for this metric, lower values are generally preferred.
Analysis
StatementSegment
CategoryProfitability
SignalLower is better
VolatilityModerate
First reportedQ1 2016
Last reportedQ1 2026
How to read this metric
A lower ratio indicates better underwriting performance and more effective risk selection.
Detailed definition
The ratio of net losses and loss adjustment expenses incurred to net premiums earned. It measures the underwriting profi...
Peer comparison
Standard industry metric used by all property and casualty insurers to assess core underwriting efficiency.
Metric ID:
acgl_segment_insurance_loss_ratioHistorical Data
15 periods
| Q2 '21 | Q3 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | 63.1% | 71.2% | 58.5% | 57.1% | 69.3% | 55.9% | 57.3% | 57.5% | 58.9% | 57.3% | 61.6% | 66% | 59.8% | 59% | 60.2% |
| QoQ Change | — | +12.8% | -17.8% | -2.4% | +21.4% | -19.3% | +2.5% | +0.3% | +2.4% | -2.7% | +7.5% | +7.1% | -9.4% | -1.3% | +2.0% |
| YoY Change | — | — | — | -9.5% | -2.7% | -4.4% | +0.4% | -17.0% | +5.4% | +0.0% | +7.1% | +12.1% | +4.4% | -4.2% | -8.8% |
Range55.9% – 71.2%
CAGR-1.3%
Avg YoY Growth-1.4%
Median YoY Growth-1.3%
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Frequently Asked Questions
- What is Arch Capital Group's insurance — loss ratio?
- Arch Capital Group (ACGL) reported insurance — loss ratio of 60.2% in Q1 2026.
- How has Arch Capital Group's insurance — loss ratio changed year-over-year?
- Arch Capital Group's insurance — loss ratio decreased by 8.8% year-over-year, from 66.0% to 60.2%.
- What does insurance — loss ratio mean?
- The percentage of earned premiums paid out as insurance claims and related expenses.