Since Omniscore is so accurate in predicting fraud, you can set one rule around it instead of creating a large ruleset.
A suggested rule is to determine the decisioning threshold (at what value the Omniscore is set) based on the decline rate your expected fraud rate:
|
Desired Decline Rate |
Omniscore Fraud Rule |
|
5% |
If Omniscore < 60 Decline |
|
4% |
If Omniscore < 48 Decline |
|
3% |
If Omniscore < 36 Decline |
|
2% |
If Omniscore < 24 Decline |
|
1% |
If Omniscore < 12 Decline |
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