Products & Services · Year Eight

Casualty — Year Eight

Arch Capital Group Casualty — Year Eight decreased by 5.6% to 6.8% in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 5.6%, from 7.2% to 6.8%. This is a positive signal — lower values indicate better performance for this metric.

Analysis

StatementSegment
CategoryRisk
SignalLower is better
VolatilityStable
First reportedQ4 2018
Last reportedQ4 2025

How to read this metric

Consistency in this metric suggests high-quality actuarial modeling and stable underwriting performance.

Detailed definition

Represents the cumulative net loss development for casualty insurance business eight years after the policy year. This m...

Peer comparison

Standard actuarial data point found in insurance company loss development tables.

Metric ID: acgl_segment_casualty_year_eight

Historical Data

5 periods
 Q4 '21Q4 '22Q4 '23Q4 '24Q4 '25
Value5.9%5%5.3%7.2%6.8%
QoQ Change-15.3%+6.0%+35.8%-5.6%
YoY Change-15.3%+6.0%+35.8%-5.6%
Range5%7.2%
CAGR+15.3%
Avg YoY Growth+5.3%
Median YoY Growth+0.2%

Frequently Asked Questions

What is Arch Capital Group's casualty — year eight?
Arch Capital Group (ACGL) reported casualty — year eight of 6.8% in Q4 2025.
How has Arch Capital Group's casualty — year eight changed year-over-year?
Arch Capital Group's casualty — year eight decreased by 5.6% year-over-year, from 7.2% to 6.8%.
What does casualty — year eight mean?
The claims experience for casualty policies eight years after they were written.