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Overdraft Protection Fees: How Overdraft Works in Canada

How overdraft protection works at Canadian banks, the usual fees (about $5 a month or $5 per use) and interest (around 21% to 22%), and the new rules since March 2026 that cap NSF fees at $10.

  • Content updated
  • 2 min read
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How does overdraft protection work?

Quick answer

Your bank lends you money up to an approved limit when a payment or withdrawal would take your balance below $0. Your balance shows as negative until your next deposits pay it back. You have to apply and give express consent; banks review your income, deposits and credit.

Some accounts instead draw on a linked line of credit, credit card (as a cash advance) or another account, which can carry its own fees and rate.

Put it into practiceHow to waive chequing account fees

How much does overdraft protection cost?

Quick answer

Usually either a monthly fee of about $5 or a pay-per-use fee of up to about $5 each time you go into overdraft, plus daily interest of around 21% to 22% a year on the negative balance. For a 10-day overdraft at 21%:

Overdraft for 10 daysInterest at 21%With a $5 pay-per-use fee
Top$100$0.58$5.58
$300$1.73$6.73
$500$2.88$7.88

What happens if I don’t have overdraft protection?

Quick answer

The payment can be declined, and your bank may charge a non-sufficient funds (NSF) fee. Since March 12, 2026, NSF fees on personal accounts are capped at $10, limited to one every 2 business days, and not allowed when the shortfall is under $10. The payee may charge its own returned-payment fee.

NSF rule (personal accounts)Since March 12, 2026
Maximum NSF fee$10
How oftenAt most one NSF fee every 2 business days
Small shortfallsNo NSF fee if you’re overdrawn by less than $10
Low-balance alertsBanks must send e-alerts, by default below $100 (you can change or turn them off)

Is overdraft protection worth it?

Quick answer

It can be if you occasionally cut it close and a declined rent or loan payment would cost more. If you rarely overdraw, a pay-per-use plan is usually cheaper than a monthly one. If you’re in overdraft every month, a cheaper option is a buffer in savings or a lower-rate line of credit.

Overdraft protection is often cheaper than payday loans, but it’s meant for short gaps, not ongoing shortfalls.

How can I avoid overdrafts?

Quick answer

Keep a small buffer in chequing, set a low-balance alert, time automatic payments for after payday and link a savings account for transfers. Repay any overdraft quickly: unpaid overdrafts can go into default and hurt your credit score.

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