Actuarial format converter

Loss ratio

Claims ratio, Loss-to-premium ratio

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Expense ratio

Cost ratio, Underwriting expense ratio

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Combined ratio

Combined operating ratio

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Operating ratio

Operating ratio

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Loss adjustment expense ratio (LAE)

LAE ratio, Claims handling ratio

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Frequency

Claim frequency

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Severity

Average claim cost

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Pure premium

Risk premium, Loss cost

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Burning cost

Loss cost, Burning rate

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Rate on Line

ROL

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Payback period

Payback, Years to payback

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Cession and retention ratio

Retention ratio, Ceded ratio

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Net loss ratio

Net loss ratio

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Ceded loss ratio

Ceded loss ratio

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Ceding commission ratio

Ceding commission, Reinsurance commission

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Return period and annual probability

Exceedance probability, Annual exceedance frequency

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Probability of occurrence over N years

Cumulative probability, Probability over horizon

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Lognormal Value at Risk

VaR, Value at risk

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Lognormal Tail Value at Risk

TVaR, Expected shortfall

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Compound annual and monthly rate

Rate conversion, Equivalent rate

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Nominal and effective rate

Effective annual rate, EAR

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Historical loss indexation

Loss trending to current, Inflation adjustment

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Compound trend (CAGR)

CAGR, Compound annual growth rate

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Loss development factor (LDF)

LDF, Age-to-age factor

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Ultimate loss by simplified chain ladder

Ultimate loss, Chain ladder projection

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IBNR via development factor

Incurred but not reported, IBNR reserve

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Bornhuetter-Ferguson

BF method, BF ultimate

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