The Rebuild · Entry 09

Installment vs. Revolving: How Each Is Scored

Revolving credit (cards, lines of credit) has a limit and a flexible balance; installment credit (auto, student, mortgage, personal loans) has a fixed payment and an end date. The models measure them differently: utilization drives revolving scoring, while installment debt matters mostly through payment history.

Why it matters

Paying an installment loan down to 50% does little for your score; paying a card down to 50% does a lot. Putting effort where the math is saves months of misdirected work.

Key facts

  • Revolving utilization is scored per-card and in aggregate; both numbers matter.
  • Paying off an installment loan closes it - scores can dip slightly when an open installment tradeline disappears from the mix.
  • High installment balances relative to the original loan amount are a minor scoring factor compared with card utilization.
  • Mortgage and auto inquiries made in a tight window are deduplicated by modern scoring models.

In practice

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Sources & further reading
myFICO: amounts owed category · VantageScore 4.0 model documentation · CFPB: types of credit accounts