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The Hidden Dangers of Closing Your Oldest Credit Card

June 6, 2026

Myth: Closing Your Oldest Credit Card Is No Big Deal

Many people believe that closing an old credit card is a harmless act, especially if they don’t use it anymore. The truth, however, is that closing your oldest credit card can have significant negative effects on your credit score and overall financial health. In this blog, we’ll bust the myths surrounding this topic and provide you with actionable tips to manage your credit cards wisely.

Myth: My Credit Score Will Improve If I Close Old Accounts

Some people think that closing old credit card accounts will improve their credit score by removing “unused” credit. This belief stems from the idea that having too much available credit might make lenders wary. However, the reality is quite the opposite.

Your credit score is heavily influenced by the length of your credit history. When you close your oldest credit card, you shorten that history, which could lower your FICO score. In fact, a significant portion of your score—15%—is determined by the length of your credit history. If your oldest card is, say, 10 years old, closing it can dramatically impact this aspect of your score.

Reality: Keeping Your Oldest Card Can Boost Your Score

Instead of closing your oldest credit card, consider keeping it open, even if you don’t use it often. This will help maintain the length of your credit history, which is crucial for a healthy credit score. For instance, if you have a FICO score of 714, as the average American does, maintaining a longer credit history can help you reach even better scores, which can lead to lower interest rates and better credit offers.

Myth: Closing Old Accounts Won't Affect My Credit Utilization Ratio

Another common misconception is that the credit utilization ratio is unaffected by closed accounts. Your credit utilization ratio is the percentage of your total available credit that you’re currently using. It’s recommended to keep this ratio below 30% for optimal credit health.

When you close an old credit card, you reduce your total available credit. For example, if you have three cards with a total limit of $15,000 and you close one with a $5,000 limit, your total available credit drops to $10,000. If you carry a balance of $3,000, your credit utilization ratio jumps from 20% to 30%, which could negatively impact your score.

Reality: Maintaining Low Utilization Is Key

To keep your credit utilization low, it’s best to keep your old accounts open. This ensures that your total credit limit remains high, allowing you to maintain a lower utilization rate. Use your oldest card occasionally for small purchases and pay it off immediately to keep it active without incurring debt. This simple strategy will help you maintain a strong credit profile.

Myth: Old Accounts Are Only a Burden

Some people believe that old accounts are just a hassle, especially if they come with annual fees or if they’re no longer appealing. However, this mindset can lead to missed opportunities. Keeping old accounts open can provide benefits such as credit score boosts and better offers from lenders.

For instance, if you have a Chase Sapphire Preferred card that you haven’t used in a while, it may still be worth keeping, especially if you’ve earned rewards points that could be redeemed for travel or cash back. Additionally, having a mix of credit types can improve your score, and old accounts can help maintain that mix.

Reality: Old Accounts Can Be Valuable Assets

Evaluate your old accounts before deciding to close them. If they have no annual fees and you’ve built a good relationship with the issuer, consider keeping them open. Reward programs can also be a huge plus—some cards offer valuable perks that can outweigh the cost of keeping them active.

Myth: I’ll Just Reapply for a New Card If I Need It

Another common myth is that if you close an old card and later need credit, you can simply apply for a new one. This mindset can be risky. When you apply for new credit, it results in a hard inquiry on your credit report, which can temporarily lower your credit score. Plus, you won’t have the same length of credit history or the benefits associated with your older account.

Reality: Protect Your Credit History

It’s best to avoid unnecessary inquiries and potential rejections by keeping your old account open. If you ever need to access credit, having a longer credit history will work in your favor. Instead of closing accounts, focus on building a strong credit profile that can withstand future financial needs.

What Should You Do?

Now that we've busted some common myths surrounding the closing of old credit cards, here are some actionable tips you can implement immediately:

  • Keep Your Oldest Card Open: Even if you don’t use it much, keeping this account active helps maintain your credit history.
  • Use It Occasionally: Make small purchases on your old card and pay them off right away. This keeps the account active without accruing debt.
  • Monitor Your Credit Utilization: Aim to keep your utilization below 30% by managing your credit limits wisely.
  • Review Your Accounts Regularly: Check for any annual fees or other drawbacks and make informed decisions about which cards to keep.
  • Consider the Benefits: Look at the rewards or perks your old cards offer. If they provide value, they’re worth keeping.

In conclusion, closing your oldest credit card can have more consequences than you might think. By keeping it open and managing your credit wisely, you can protect and even improve your credit score, setting yourself up for future financial success.