What happens when you overdraw your account
When you spend more money than you have in your account, your bank can cover the difference and let the transaction go through. This is called an overdraft. The bank is lending you money for a few hours or a few days, and they charge you a fee for doing it — usually $25 to $35 per overdraft, though some banks charge more.
The transaction posts when ready. Your balance goes negative. Then the fee hits your account, making the negative balance larger. If you don't deposit money to cover it within a few days, the bank may charge another overdraft fee, and another, stacking them up until your account is back in the positive.
Not every bank allows overdrafts automatically. Some require you to opt in to overdraft protection before they will cover a transaction that exceeds your balance. Others will decline the transaction instead, which prevents the overdraft but also means your debit card or check bounces.
Key Takeaways
- An overdraft happens when a transaction posts for more than your available balance, and your bank covers the difference by lending you the money temporarily.
- Banks charge an overdraft fee (typically $25 to $35) each time they cover a transaction, and the fee itself can trigger another overdraft if your balance is low enough.
- You must opt in to overdraft protection at most banks before they will allow overdrafts on debit card and ATM transactions, though checks and ACH transfers often overdraw without opt-in.
- The fastest way to stop overdraft fees is to deposit money that brings your balance positive, because fees stop accruing once your account is no longer negative.
- Some banks offer overdraft grace periods or waive the first fee per year, so checking your bank's specific policy can save you money if an overdraft happens.
How overdraft protection works at your bank
Overdraft protection is not a single thing — it varies by bank and by the type of transaction. Most banks distinguish between debit card transactions (which require opt-in) and checks or ACH transfers (which often overdraw without your permission).
If you opt in to overdraft protection for debit cards, your bank will cover purchases at stores, online, or at ATMs even if your balance is zero or negative. If you do not opt in, the transaction will be declined at the point of sale. You can usually change this setting in your online banking portal or by calling your bank.
Checks and automatic bill payments (ACH transfers) typically overdraw your account without requiring opt-in, because banks have treated these as higher-priority transactions for decades. A check you write will clear even if it puts you negative, and so will a recurring payment to your utility company or insurance company.
The timeline and cost of an overdraft
The moment a transaction posts for more than your balance, the overdraft happens. Your bank when ready deducts the fee — usually within the same business day or the next morning. If your balance is still negative after the fee, some banks charge a second fee 24 hours later, and a third after another 24 hours, up to a daily limit (often three fees per day).
The total cost depends on how long you stay negative. A single overdraft that you cover the next day costs one fee. If you stay negative for five days and the bank charges one fee per day, you could owe $125 to $175 in fees alone, on top of the original amount you overspent.
Some banks offer a grace period — usually 24 hours — during which they do not charge a fee if you bring your balance positive. Others waive the first overdraft fee once per year. Check your bank's overdraft policy in your account settings or call customer service to find out what applies to you.
Overdraft vs. overdraft protection linked accounts
Some banks offer a different kind of overdraft protection: linking your checking account to a savings account, money market account, or credit card. If a transaction would overdraw your checking account, the bank automatically transfers money from the linked account to cover it.
This is not an overdraft — it is a transfer. You do not owe the bank interest, and there is no overdraft fee. Instead, you may pay a transfer fee (usually $0 to $3) or no fee at all, depending on your bank. The money comes from your own account, so you are not borrowing.
If you have a linked account with available funds, this is cheaper than allowing an overdraft. If you do not have a linked account or the linked account has no money in it, the transaction will either overdraw or be declined, depending on whether you opted in to overdraft protection.
What to do if you overdraw
The fastest way to stop overdraft fees is to deposit money that brings your balance positive. Once your balance is above zero, the bank stops charging overdraft fees. You do not need to pay back the overdraft fee itself — that is the bank's charge for the service — but you do need to cover the original amount you overspent.
If you cannot deposit money when ready, contact your bank and ask whether they will waive the fee as a one-time courtesy. Banks sometimes do this, especially if you have been a customer for a long time or if this is your first overdraft. There is no harm in asking, and the worst they can say is no.
If multiple overdraft fees have stacked up and you are struggling to get out of the negative, ask your bank about a payment plan or hardship program. Some banks will work with you to bring the account current without charging additional fees while you catch up.
How to prevent overdrafts
The most reliable way to prevent overdrafts is to keep a buffer in your checking account — money you do not spend. Even $100 or $200 catches most accidental overdrafts. If you live paycheck to paycheck and cannot keep a buffer, consider turning off overdraft protection for debit cards so transactions decline instead of overdrawing.
Set up balance alerts in your online banking. Most banks let you choose a threshold (for example, $50) and receive a text or email when your balance drops below it. This gives you a warning before an overdraft happens.
If you use automatic bill payments, space them out across different days of the month so they do not all hit at once. Stagger them around when you get paid, so money is in the account when each payment clears.
Review your bank's overdraft policy and decide whether you want overdraft protection on debit cards. If you do not want it, opt out. If you do want it because you prefer transactions to go through rather than decline, understand that you will pay a fee if you overdraw, and plan accordingly.
Overdrafts and your credit report
An overdraft does not appear on your credit report and does not affect your credit score. It is a transaction between you and your bank, not a loan reported to credit bureaus. However, if your bank sends your account to a collection agency because you do not pay back the overdraft, that collection account will appear on your credit report and will damage your score.
If you have an unpaid overdraft, your bank may close your account and report you to ChexSystems, a banking history database. Future banks may see this report and decline to open an account for you. Paying back the overdraft and any fees removes the negative mark from ChexSystems after a period of time, usually a few years.
Frequently Asked Questions
Can I overdraw my account at an ATM?
Only if you have opted in to overdraft protection for debit card transactions. If you have not opted in, the ATM will decline the withdrawal. If you have opted in, the ATM will dispense the cash and charge you an overdraft fee.
What is the difference between an overdraft and a bounced check?
A bounced check is a check that the bank refuses to pay because your balance is too low. An overdraft is when the bank pays the check anyway and charges you a fee. Whether your check bounces or overdrafts depends on whether you have opted in to overdraft protection and whether your bank treats checks differently from debit card transactions.
Do I have to pay back an overdraft fee?
The overdraft fee is the bank's charge for covering the transaction. You cannot dispute it or refuse to pay it — it is part of the bank's terms. However, you can ask the bank to waive it as a courtesy, and some banks will do so if this is your first overdraft or if you have been a long-time customer.
How long does an overdraft stay on my account?
An overdraft stays on your account until you deposit money that brings your balance positive. Once your balance is above zero, the overdraft is resolved. If you do not pay it back, your bank may close your account and report you to ChexSystems, which can affect your ability to open accounts at other banks.
Can I overdraw a savings account?
Yes, but the rules are different. Federal law limits how many withdrawals you can make from a savings account per month (usually six). If you exceed that limit, the bank may charge a fee or close the account. Overdrafts on savings accounts are less common because most people use savings as a buffer, not as a spending account.