Combined Operating Ratio Insurer Calculator
Conditional operating ratio=caller matched loss+expense−investment-income ratios in percentage points. Caller independently harmonizes actual denominators and accounting conventions; not infer profit, solvency or universal mixed earned/written premium ratios.
Description
An operating-ratio convention combines matched loss, expense and investment-income ratios.
An operating-ratio convention combines matched loss, expense and investment-income ratios.1
Harmonizing the accounting bases is necessary before adding their percentage-point contributions.
When to use Combined Operating Ratio Insurer Calculator
Use this tool to calculate or review the supplied observations under the stated rules. Establish the contract, jurisdiction, reporting basis, currency and dated evidence that apply.
How to use Combined Operating Ratio Insurer Calculator and understand its results
- Establish the contract, jurisdiction, reporting basis, currency and dated evidence that apply.
- Enter verifiedLossRatioPercent, verifiedExpenseRatioPercent, verifiedInvestmentIncomeRatioPercent, using the field meanings and rules below, then run the tool.
- Read result.conditionalCombinedOperatingRatioPercent, using the output meanings and calculation rules below.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| verifiedLossRatioPercent | Verified loss ratio percent | number | Required |
| verifiedExpenseRatioPercent | Verified expense ratio percent | number | Required |
| verifiedInvestmentIncomeRatioPercent | Verified investment income ratio percent | number | Required |
Use nonnegative finite loss and expense percentages and a signed finite investment-income percentage, already harmonized to the selected convention. Add loss and expense, then subtract investment income. Negative results are allowed if inputs imply them.
operatingRatio=lossRatio+expenseRatio−investmentIncomeRatio Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Calculated observation or qualified reference | object |
| result.conditionalCombinedOperatingRatioPercent | conditional Combined Operating Ratio Percent | number |
{
"input": {
"verifiedLossRatioPercent": 65,
"verifiedExpenseRatioPercent": 25,
"verifiedInvestmentIncomeRatioPercent": 5
},
"output": {
"result": {
"conditionalCombinedOperatingRatioPercent": 85
}
}
}Limitations and assumptions
Inputs are percentage points on caller-matched accounting bases. No denominators, profit, solvency or standardized reporting convention are inferred.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Expense Ratio Underwriting Percent Calculator: An underwriting expense ratio compares expenses with the applicable premium denominator for a matched period. For a complementary comparison, use Claims Satisfaction NPS Percent Calculator: Net Promoter Score separates promoters, passives and detractors among supplied zero-to-ten responses.
References
Similar or alternative tools
- Expense Ratio Underwriting Percent Calculator
An underwriting expense ratio compares expenses with the applicable premium denominator for a matched period.
- Claims Satisfaction NPS Percent Calculator
Net Promoter Score separates promoters, passives and detractors among supplied zero-to-ten responses.