What is credit mix?
Credit mix is the variety of account types on your report: revolving credit (cards, lines of credit) and installment credit (auto, student, mortgage, personal loans). Scoring models give it modest weight as a signal you can manage different obligations. It is not worth opening accounts to improve. Mix errors, like a card reported as a loan, are disputable.
The two account families
Revolving accounts let you borrow, repay, and borrow again against a limit: credit cards and lines of credit. Installment accounts are fixed loans repaid on a schedule: auto loans, student loans, mortgages, personal loans. Credit mix is simply whether your file shows you handling both kinds, and how the models read that variety.
How much it actually matters
Mix is one of the smaller factors in the major models, well behind payment history and utilization. It functions mostly as a tiebreaker: between two files with identical payment records, the one demonstrating both revolving discipline and installment consistency reads as slightly lower risk. Files with only cards, or only loans, get scored every day without issue.
What not to do about it
- Don't open a loan to diversify. Interest costs and a new-credit dip are real; the mix benefit is small.
- Don't keep an unnecessary account alive purely for mix.
- Do let mix happen naturally: most files diversify on their own as life adds a car loan here, a mortgage there.
Mix as reported data
Account type is a reported field, and it can be wrong: a credit card listed as an installment loan, a personal loan typed as revolving, or a duplicate account inflating one category. Misclassification distorts how models read your file, and it is disputable like any other inaccuracy. Account-type consistency is part of what CreditRefresh's scan checks across your three reports.
Related articles
The standard FICO credit score is built from five factors: payment history (35%), credit utilization (30%), length of credit history (15%), credit mix (10%), and new credit (10%). Payment history and utilization together account for two-thirds of the score, which is why disputing inaccurate late payments and incorrect balances tends to move scores the most.
Credit utilization is how much of your available revolving credit you're using — your balances divided by your credit limits. It's one of the biggest factors in your score, usually second only to payment history. Lower is better: many lenders look for under 30%, and under 10% is ideal. High utilization can drop your score fast, but it's also one of the quickest things to fix.
Most credit scores run from 300 to 850. In the common FICO ranges, 800+ is exceptional, 740–799 is very good, 670–739 is good, 580–669 is fair, and below 580 is poor. Lenders generally treat roughly 670 and up as solid, and 740+ usually unlocks the best rates. What counts as 'good' depends on the lender and the score model, but higher always means lower perceived risk.