Your bank will charge you an overdraft fee, usually $25 to $35 per transaction that pushes you below zero

When you spend more money than you have in your account, your bank covers the difference and charges you a fee for doing so. This fee is called an overdraft fee or NSF fee (non-sufficient funds). The moment a transaction posts that takes your balance negative, the fee hits your account immediately—sometimes the same day, sometimes within 24 hours depending on your bank's processing schedule.

The fee amount varies by bank. Most charge between $25 and $35 per overdraft transaction. Some banks charge multiple fees in a single day if several transactions post while your account is negative. A few banks cap the total fees you can be charged in one day (often at $100 to $140), but many do not. This means if you overdraft by $5 and six transactions post before you deposit money, you could owe $150 to $210 in fees alone.

Your bank does not have to cover the overdraft at all. They choose to, and they charge you for the service. Some banks offer overdraft protection, which links your checking account to a savings account or credit line so transfers happen automatically instead of fees. Others let you opt out of overdraft coverage entirely, which means transactions simply decline instead of posting and creating a negative balance.

Key Takeaways

  • Overdraft fees typically range from $25 to $35 per transaction and post within 24 hours of your account going negative.
  • Multiple transactions can trigger multiple fees on the same day, and some banks charge you for each one while others cap daily fees.
  • You can prevent overdrafts by opting out of overdraft coverage, linking a savings account for automatic transfers, or setting up low-balance alerts.
  • If you are charged an overdraft fee, you can request a refund from your bank, especially if it is your first offense or if the fee was caused by a bank error.
  • Negative balances can affect your ability to open new accounts and may be reported to ChexSystems, a banking history database.

How overdraft fees stack up when multiple transactions post

Banks process transactions in batches, usually overnight. If your account has $50 and three transactions totaling $100 post at the same time, your bank decides the order they clear—and this order matters. Most banks process transactions from largest to smallest, which maximizes the number of overdrafts and therefore the number of fees they collect. This practice is called high-to-low posting order.

Example: Your balance is $50. A $40 transaction, a $30 transaction, and a $20 transaction all post overnight. If processed high-to-low, the $40 posts first (balance: $10, no fee). The $30 posts next (balance: -$20, fee charged). The $20 posts last (balance: -$40, another fee charged). You now owe two overdraft fees ($50 to $70) on top of the $90 in transactions. If processed in the order they occurred, you might owe only one fee.

Some banks have changed their posting order to low-to-high or by transaction time to reduce overdraft fees. Check your bank's fee schedule or call their customer service line to ask how they order transactions. A few banks, including some credit unions and online banks, do not charge overdraft fees at all or charge only one fee per day regardless of how many transactions post.

What to do immediately after your account goes negative

Deposit money as soon as possible to bring your balance back above zero. The sooner you do, the less likely additional transactions will post and trigger more fees. If you have overdraft protection linked to a savings account, the transfer may happen automatically, but you still need to replenish that savings account to avoid a chain reaction of fees.

Contact your bank and ask them to reverse the overdraft fee. Banks have discretion to waive fees, especially if this is your first overdraft, if the fee was caused by a delay in processing a deposit you made, or if a bank error contributed to the negative balance. Be direct: explain what happened, ask for a one-time courtesy reversal, and be prepared to hear no. Many banks will reverse one fee per year for customers in good standing.

If your account remains negative for more than a few days, your bank may close the account and report you to ChexSystems, a database that tracks banking history. This can make it harder to open a new checking account elsewhere for up to five years. Pay the negative balance before this happens.

Overdraft protection: automatic transfers versus opting out

Overdraft protection is a service that prevents your account from going negative by automatically transferring money from another account (usually a savings account or credit line you own) when a transaction would overdraft. If you have this set up, the transfer happens automatically and you may be charged a small transfer fee ($1 to $3) instead of a large overdraft fee ($25 to $35).

To set up overdraft protection, link a savings account or credit line to your checking account through your bank's website or by calling customer service. Make sure the linked account has enough money in it, or you will simply overdraft both accounts. Some banks offer overdraft protection through a credit line or line of credit, which works like a small loan—you pay interest on the amount transferred, not just a flat fee.

Alternatively, you can opt out of overdraft coverage entirely. This means transactions that would overdraft your account will simply decline instead of posting. You will not be charged a fee, but your debit card or check will be rejected at the point of sale. This prevents the negative balance from happening in the first place. To opt out, contact your bank and ask them to disable overdraft coverage on your account.

How to avoid overdrafts before they happen

Set up a low-balance alert through your bank's app or website. Most banks let you choose a threshold (for example, $100) and will send you an email or text message when your balance drops below it. This gives you time to deposit money or move funds from another account before a transaction posts that takes you negative.

Keep a buffer in your checking account—money you do not plan to spend. Even $50 to $100 can prevent an overdraft if an unexpected charge posts or a deposit is delayed. If you live paycheck to paycheck and cannot maintain a buffer, overdraft protection linked to a savings account (even a small one) is cheaper than overdraft fees.

Track your spending in real time. Many banks update your balance within minutes of a transaction, but some take hours or even a day. Do not assume your account balance is current. Subtract pending transactions from your available balance before you spend. If you use multiple debit cards or write checks, keep a running total of what you have spent that day.

Disputing an overdraft fee or requesting a reversal

Call your bank's customer service number and ask to speak with someone who can review your overdraft fees. Have your account number and the dates of the overdrafts ready. Explain your situation clearly: Was this your first overdraft? Did a deposit fail to post on time? Did the bank make an error in processing order or timing?

Banks are more likely to reverse a fee if you have been a customer for a long time, if you maintain a healthy balance most of the time, or if the overdraft was caused by something outside your control (a delayed paycheck deposit, a bank processing error, or a fraudulent transaction). They are less likely to reverse fees if you overdraft regularly or if the overdraft was clearly your mistake.

If your bank refuses to reverse the fee and you believe it was charged in error, you can file a complaint with the Consumer Financial Protection Bureau (CFPB) at consumerfinance.gov. The CFPB investigates complaints about unfair or deceptive banking practices. This does not may provide a refund, but it creates a record and may prompt your bank to review their practices.

Negative balances and your banking history

A negative balance does not directly hurt your credit score—credit bureaus do not track checking account balances. However, if your account stays negative for weeks or months and your bank closes the account, they may report you to ChexSystems, a banking history database. This report can stay on your record for up to five years and will make it difficult to open a new checking account at most banks.

Some banks and credit unions check ChexSystems before opening a new account. If you have a report on file, they may deny your application or require you to pay the negative balance before opening an account. A few banks specialize in second-chance checking and do not check ChexSystems, but they often charge higher fees.

If you have a negative balance, pay it off as soon as you can to prevent your bank from closing your account and reporting you. If your account has already been closed and reported, you can request a goodwill deletion from ChexSystems after you have paid the balance in full. Contact ChexSystems directly at chexsystems.com to request this.

Frequently Asked Questions

Can my bank charge me a fee for going negative if I did not authorize overdraft coverage?

Yes, unless you have explicitly opted out. Overdraft coverage is usually turned on by default when you open a checking account. If you want to prevent overdraft fees, you must contact your bank and ask them to disable overdraft coverage. After that, transactions will decline instead of posting and creating a negative balance.

How long does a negative balance stay on my record?

If your bank reports you to ChexSystems, the report can stay for up to five years. However, if you pay the negative balance quickly (within days or weeks), your bank may not report you at all. Once you pay, you can request a goodwill deletion from ChexSystems, though they are not required to grant it.

What is the difference between an overdraft fee and an NSF fee?

An overdraft fee is charged when your bank covers a transaction that takes your account negative. An NSF (non-sufficient funds) fee is charged when a transaction is rejected because you do not have enough money. Some banks charge both—an NSF fee when the transaction first declines, and an overdraft fee if it posts anyway.

Can I get an overdraft fee reversed if it is my first time?

Many banks will reverse one overdraft fee as a courtesy if it is your first offense and you have been a customer in good standing. Call customer service, explain the situation, and ask for a one-time reversal. Be prepared to hear no, but it is worth asking.

Does a negative checking account balance affect my credit score?

No, checking account balances are not reported to credit bureaus. However, if your account stays negative long enough that your bank closes it and reports you to ChexSystems, that can make it harder to open a new account in the future.