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An overdraft fee is a charge your financial institution may apply when a transaction causes your bank account balance to fall below zero.
If you have overdraft protection, the bank may allow the payment to go through and temporarily cover the shortfall. You then have to repay the negative balance, along with any applicable fees or interest.
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How Does an Overdraft Fee Work?
Suppose you have $50 in your chequing account and a $75 bill is withdrawn.
Without overdraft protection, the transaction could be declined or returned.
With overdraft protection, your bank may approve the transaction and leave your account at -$25.
You would then need to repay the $25 plus any overdraft charges that apply.
How Much Does Overdraft Cost?
Overdraft costs vary by financial institution and account.
You may be charged:
- A monthly overdraft protection fee
- A fee each time you use overdraft
- Interest on the amount you borrow
- Additional charges if your account remains overdrawn
Some accounts use a combination of fees and interest.
Check your account agreement to understand exactly what applies.
What Is Overdraft Protection?
Overdraft protection is a feature that can cover transactions when there is not enough money in your account.
For example, it could prevent a payment from being declined when your balance is temporarily short.
Overdraft protection is still a form of borrowing.
You are using money provided by your financial institution and are expected to repay it.
Is Overdraft Protection Automatic?
Not always.
Some banks require you to apply and be approved for overdraft protection.
Because it involves credit, the bank may review factors such as:
- Income
- Credit history
- Account activity
- Existing debt
Your approved overdraft limit may also be relatively small.
What Happens if You Don't Have Overdraft Protection?
If there is not enough money in your account, the transaction may be declined or returned unpaid.
Depending on the type of payment, you could also face a non-sufficient funds fee or a charge from the company you were trying to pay.
For example, a returned rent or utility payment could result in additional fees from the recipient.
Overdraft Fee vs. NSF Fee
An overdraft fee and a non-sufficient funds fee are not the same thing.
An overdraft occurs when the bank allows a transaction to proceed even though you do not have enough money.
An NSF fee may apply when the financial institution rejects or returns a payment because there are not enough funds available.
The exact fees depend on your account and institution.
Does Overdraft Affect Your Credit Score?
Using overdraft occasionally does not necessarily hurt your credit score.
However, unpaid overdraft debt can become more serious.
If the balance remains unpaid and is eventually sent to collections, it could affect your credit history.
If you use overdraft protection frequently, it may also be a sign that your monthly budget needs adjustment.
How Long Can Your Bank Account Stay Overdrawn?
There is no universal timeline.
Your financial institution may require you to bring the account back into a positive balance quickly.
Your agreement should explain:
- How long you can remain overdrawn
- Your overdraft limit
- Interest charges
- Applicable fees
Do not assume you can leave the account negative indefinitely.
How Can You Avoid Overdraft Fees?
A few habits can reduce the chances of overdrawing your account.
Keep a small buffer
Leaving extra money in your chequing account can help absorb unexpected charges.
Set low-balance alerts
Many banking apps can notify you when your balance falls below a certain amount.
Track automatic payments
Know when subscriptions, loan payments and bills are scheduled to leave your account.
Review your account regularly
Check pending transactions instead of relying only on the balance you remember having.
Build emergency savings
A small emergency fund can reduce the need to rely on overdraft when unexpected costs arise.
Is Overdraft Protection Worth It?
It can be useful as a backup for occasional shortfalls.
However, using overdraft regularly can become expensive.
If you frequently spend beyond your available balance, it may be better to review your budget, adjust payment dates or build a small cash reserve.
Overdraft protection works best as an emergency buffer rather than an extension of your everyday spending money.

About the author
Quan works as a Junior SEO Specialist, helping websites grow through organic search. He loves the world of finance and investing. When he’s not working, he stays active at the gym, trains Muay Thai, plays soccer, and goes swimming.
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