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Published Mar 13, 2026 3:48 PM • 5 min read
Have you ever logged into your online banking only to discover your account is negative? Perhaps, to avoid late fees, you use autopay for your credit card bill. But there wasn’t enough cash in the account to cover the payment. Or maybe your paycheque is late because of a bank holiday. Whatever the reason, your account no longer has a positive balance and the bank also charged you an overdraft fee.
The fee applies when one of Canada’s biggest banks or credit unions allows a transaction to go through even though your chequing account does not have enough money to cover it. Of course, that service comes at a cost, in the form of an overdraft fee. These charges can quickly accumulate. Especially when you also owe interest or if there are multiple transactions.
One of the issues with overdraft fees is that they rarely show up as a one-time charge. Instead, they stack rather than appearing as a single one-time charge. Most banks bill an overdraft fee for each transaction, which means that even several small purchases can trigger multiple fees.
Some accounts will carry a monthly overdraft protection fee. In these cases, you have a flat monthly fee regardless of how many overdraft transactions you make. But that also means if you don’t use the service, then you are still stuck paying the monthly fee. That said, the exact costs will vary by institution and account type.
Then, there’s interest. As soon as your account balance turns negative, the bank will begin charging interest on the overdraft amount. These costs will continue accruing until you repay the debt and bring your account back to a positive balance. But, if you don’t have overdraft protection, the bank may decline the transaction and charge a non-sufficient funds (NSF) fee instead.
As mentioned above, timing is really the issue. Multiple payments clearing in a short window can stack fees quickly. For example, if you go grocery shopping and put your account into an overdraft, you will see a fee. Then, when your automatic cell phone bill payment comes out of your account later that day, you will get another charge. And that impromptu Uber Eats order? You’ll find another overdraft fee in your account for that too. The problem here is repetition, as these fees add up fast.
Learn more: Different Types of Bank Fees in Canada
Overdraft fees usually come from everyday activities. Not just one-off mistakes. A few things to watch include:
Overdraft fees are annoying and costly. But they are avoidable. In most cases, even a few small changes can make a difference.
A few changes to your habits can help you to reduce the risk of overdrawing your account and receiving a subsequent fee.
Overdraft protection helps in a pinch, especially if you face the occasional shortfall and want to avoid declined payments. It becomes expensive, though, when you rely on it regularly. Fees, interest, and monthly charges can quietly turn into a mountain of cash. In some cases, a declined transaction, or even an NSF fee, may cost less than repeated overdraft usage. Remember, protection prevents rejected transactions, but not expenses.
If you constantly find overdraft fees on your account statement, it’s a sign that your account type no longer fits how you manage your money. Some accounts offer lower overdraft fees or built-in transfers to help reduce the risk. Comparing chequing accounts options in Canada and even switching to a new bank or credit union could help save you money over time.
According to the Financial Consumer Agency, “financial institutions must obtain your express consent to add overdraft protection to your account.” This means that in order for a bank to approve a transaction that puts your account into a negative balance and charge an overdraft fee, you must agree to the overdraft protection terms in advance. In most cases, this happens when you apply for overdraft protection either when you open a chequing account or later on when you opt-in to the service. If you do not have overdraft protection on your account, your bank may decline a transaction that would put your account into a negative balance, then charge an NSF fee.
An overdraft fee applies when your bank allows a transaction to go through even though your account balance is too low to cover it. An NSF (non-sufficient funds) fee, on the other hand, happens when the bank declines the transaction because you do not have enough money in the account.
Overdraft fees on their own do not affect your credit score. However, if the negative account balance remains unpaid past the deadline, the bank can send it to collections. Then, the negative balance can appear on your credit report. This situation is problematic if you are trying to build credit or improve your credit score.
It depends on the situation as well as the financial institution. Some banks may reverse the overdraft fee as a one-time courtesy, but they are under no obligation to.
Many do. Policies will vary by institution, though. It is always best to check with your financial institution for the specifics of their policies and how they may apply to your situation.
About the author

Lauren Brown
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Lauren is a freelance copywriter with over a decade of experience in wealth management and financial planning. She has a Bachelor of Business Administration degree in finance and is a CFA charterholde...
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Sara Skodak
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Since graduating from the University of Western Ontario, Sara has built a diverse writing portfolio, covering topics in the travel, business, and wellness sectors. As a self-started freelance content ...
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