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With credit card interest rates averaging nearly 20%, managing your debt is more important than ever. While closing an unused card might seem like a good way to "clean up" your finances or prevent identity theft, it can often backfire on your credit score.

The Impact on Your Utilization Ratio

Your "credit utilization" is the percentage of your total available credit that you are currently using. In 2026, many lenders have moved to FICO 10T, a scoring model that places even more emphasis on this ratio. If you close a card, your total available credit drops instantly. If you have balances on other cards, your utilization percentage will spike, which can cause an immediate drop in your credit score.

Age of History and Credit Mix

Two other factors are at play when you consider closing an account:

• Account Age: The longer an account is open, the better it is for your score. If the card you are closing is one of your oldest, you are shortening your average credit history.
• Credit Mix: Lenders like to see that you can handle different types of credit (e.g., a mortgage, an auto loan, and credit cards). If this is your only revolving credit account, closing it could hurt your "mix."

When Closing a Card Makes Sense

Despite the potential score dip, there are times in 2026 when closing a card is the right move:

• High Annual Fees: If the card charges a fee and you aren't using the rewards to offset it, it may not be worth keeping.
• Overspending Temptation: If having the credit available leads to debt you cannot manage, the long-term benefit of avoiding interest outweighs a temporary score drop.

Monitoring Your Credit

By law, you are still entitled to free credit reports to help you make this decision. A major permanent change as of 2026 is that AnnualCreditReport.com now offers free weekly credit reports from Equifax, Experian, and TransUnion, rather than just once a year. This allows you to monitor the impact of a closure in real-time.