What is the Formula for IRIS Ratio 1
Policy Holder Surplus
Gross Written Premium is
Direct Written Premium Plus Assumed Reinsurance (Affiliates and Non Affiliates
What is the Usual Range for range for IRIS-1
Usual range is upto 900%. That is x <= 900%
Why is a high IRIS-1 Ratio bad
The higher the ratio, the more risk insurer bears in relation to the PHS.
What could cause a large disparity b/w IRIS-1 and IRIS-2
The insurer might be relying too much on reinsurance. Which isnt inherently a bad thing, if the financial strength of the insurers and their payment timings are strong and prompt.
Should IRIS-1 Ratio differ based on Casualty vs Property lines
Casualty lines, such as WC, are long tail lines where the outcomes and ultimate losses are less certain. Insurance companies mostly in Casualty lines should maintain a lower IRIS-1 ratio
What is the Formula for IRIS ratio 2
Policy Holder Surplus
What is the usual range for IRIS-2
The usual range is less than equal to 300%. That is X <= 300%
List 5 things to consider if IRIS-2 is high
What is the formula for IRIS-3
NWP Previous Year
Change in NWP = (Current Year NWP - Previous Year NWP)
What is the usual range for IRIS-3 Ratio
The usual range for IRIS-3 is -33% to +33%. That is
-33% <= X <= +33%
What could a large increase in IRIS-3 indicate about the insurer
2. Insurer maybe attempting to increase cashflow to cover current loss payments.
What could a large decrease in IRIS-3 indicate about the insurer
Which metrics should be evaluated if there is sufficient instability present in IRIS-3
What is the formula for IRIS-4
Policy Holder Surplus
What is the usual range for IRIS-4
Less than 15%
What does an unusually high IRIS-4 ratio indicate
Which ratios should be recalculated if IRIS-4 ratio is high ( > 15%)
What is IRIS-5 Ratio Called
Two Year Overall Operating Ratio
What is the formula for IRIS-5
Two year Loss Ratio
+
Two year Expense Ratio
- Two Year Investment Income Ratio
What is the Formula for Two Year Loss Ratio (IRIS5)
(2yr Earned Premium)
What is the Formula for Two Year Expense Ratio (IRIS5)
Two year net Premiums Written
What is the formula for Two year Net investment income earned (IRIS5)
2-Year premiums earned
Why do we subtract the Investment Income Ratio from the Calculation of IRIS-5 Ratio
The Subtraction of Investment Income allows insurers a credit for their investment income to offset their underwriting losses
What is the normal Range for IRIS-5
The normal range for IRIS-5 is less than 100%
that is x < 100%