Commercial Insurance — Prior accident years
Cincinnati Financial Commercial Insurance — Prior accident years decreased by 96.3% to -$53.00M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 23.3%, from -$43.00M to -$53.00M. Over 4 years (FY 2021 to FY 2025), Commercial Insurance — Prior accident years shows an upward trend with a -22.1% CAGR. This is a positive signal — lower values indicate better performance for this metric.
Analysis
How to read this metric
Negative values indicate favorable reserve development, meaning claims were less costly than originally estimated, while positive values indicate unfavorable development.
Detailed definition
This metric represents the development of claims and loss reserves from insurance policies written in previous reporting...
Peer comparison
Standard in P&C insurance; peers often report this as 'prior year reserve development'.
cinf_segment_commercial_insurance_prior_accident_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 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | -$86.00M | -$107.00M | -$77.00M | -$18.00M | -$29.00M | -$4.00M | -$25.00M | -$32.00M | -$59.00M | -$34.00M | $0.00 | -$38.00M | -$29.00M | -$50.00M | -$21.00M | -$43.00M | -$42.00M | -$18.00M | -$27.00M | -$53.00M |
| QoQ Change | — | -24.4% | +28.0% | +76.6% | -61.1% | +86.2% | -525.0% | -28.0% | -84.4% | +42.4% | +100.0% | — | +23.7% | -72.4% | +58.0% | -104.8% | +2.3% | +57.1% | -50.0% | -96.3% |
| YoY Change | — | — | — | — | +66.3% | +96.3% | +67.5% | -77.8% | -103.4% | -750.0% | +100.0% | -18.8% | +50.8% | -47.1% | — | -13.2% | -44.8% | +64.0% | -28.6% | -23.3% |
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Frequently Asked Questions
- What is Cincinnati Financial's commercial insurance — prior accident years?
- Cincinnati Financial (CINF) reported commercial insurance — prior accident years of -$53.00M in Q1 2026.
- How has Cincinnati Financial's commercial insurance — prior accident years changed year-over-year?
- Cincinnati Financial's commercial insurance — prior accident years decreased by 23.3% year-over-year, from -$43.00M to -$53.00M.
- What is the long-term trend for Cincinnati Financial's commercial insurance — prior accident years?
- Over 4 years (2021 to 2025), Cincinnati Financial's commercial insurance — prior accident years has grown at a -22.1% compound annual growth rate (CAGR), from -$353.00M to -$130.00M.
- What does commercial insurance — prior accident years mean?
- The change in estimated costs for insurance claims that occurred in past years.