Glossary

What is Champion/Challenger testing?

Risk

Champion/Challenger is a technique for improving credit policies by routing a share of traffic to an alternative policy (the challenger) and comparing its performance against the one in production (the champion). It lets teams validate changes on real data at controlled risk before adopting them.

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Related terms

Credit scoring

Credit scoring is the technique of assigning an applicant a score that estimates their likelihood of repayment, combining internal data with external sources such as credit bureaus, behavioural data and alternative data. That score feeds the lending decision alongside policy rules.

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