Definitions 1
Definitions 2
100

Claims costs divided by earned premium

Loss Ratio

100

The profitability measure calculated by adding the loss ratio and expense ratio

Combined Ratio

200

Funds set aside to pay future claims, including known and unknown obligations

Reserves

200

Number of claims occurring within a given period

Frequency 

300

Average cost per claim

Severity

300

Expenses directly tied to handling a specific claim, such as IMEs or attorney fees

ALAE (Allocated Loss Adjusted Expense) 

400

Expenses incurred to operate the claims department, such as salaries and overhead

ULAE (Unallocated Loss Adjustment Expense)

400

Insurance that insurers buy to protect themselves from large or catastrophic losses

Reinsurance

500

The insurer's financial cushion, equal to assets minus liabilities 

Surplus

500

Claims that have occurred but have not yet been reported to the insurer

IBNR (Incurred But Not Reported)