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System Summaries

Summary of Insurer Experience

Insurer experience summaries are released approximately three to five months after the end of the quarter. These reports contain information such as written premium, average cost of a claim, accident year combined loss and expense ratios, etc.

Losses and Expenses Summary Reports

These reports are prepared pursuant to Section 11759.1 of the California Insurance Code. The reports contain detailed information about calendar year medical and indemnity costs; insurer losses and expenses; fees paid to attorneys; and workers' compensation costs by type of injury.

Policy Year Statistics

Summaries of unit statistical experience submitted by insurers.

Study of Geographic Differences

These reports summarize differences in the costs of claims among California regions.

Study of Large Deductible Experience

Summaries of experience from large deductible and non-large deductible policies.