Fixed vs Variable Mortgage: Which Is Better in Canada?
Fixed-rate mortgages lock your interest rate for the entire term, providing payment certainty. Variable-rate mortgages fluctuate with the lender's prime rate, offering historically lower rates but payment uncertainty. Your choice depends on risk tolerance, rate outlook, and how long you plan to hold the mortgage.
Quick Answer
Fixed-Rate Mortgage vs Variable-Rate Mortgage — which is better?
Fixed mortgages offer rate certainty and protection from increases, while variable mortgages historically cost less over the long term but carry payment fluctuation risk. Variable typically outperforms when the Bank of Canada is cutting rates; fixed is preferable when rates are rising or for budget certainty.
Comparison at a Glance
| Feature | Fixed-Rate Mortgage | Variable-Rate Mortgage |
|---|---|---|
| Interest rate | Locked for full term | Fluctuates with prime rate |
| Monthly payment | Stays constant | Changes with rate movements |
| Historical cost | Typically higher | Typically 0.5–1% lower |
| Rate decrease benefit | No benefit (rate stays) | Payment drops |
| Rate increase risk | Protected | Payment rises |
| Break penalty | IRD ($10K–$30K+) | 3 months' interest (~$3K–$8K) |
| Best for | Certainty seekers | Risk-tolerant savers |
Fixed-Rate Mortgage
Pros
- Payment certainty for the full term — easy budgeting
- Protection against interest rate increases
- No risk of payment shock during rate hike cycles
- Easier to qualify — lenders prefer predictable payments
- Ideal when rates are at historic lows
Cons
- Typically higher initial rate than variable
- No benefit when rates drop during your term
- Breaking early can cost $10,000–$30,000+ (IRD penalty)
- May miss savings if rates fall during your term
Best For
Homebuyers who need budget certainty, are risk-averse, expect rates to rise, or plan to stay in the home long-term. Also ideal when rates are at historic lows.
Variable-Rate Mortgage
Pros
- Historically lower rates (typically 0.5–1% less than fixed)
- Potential savings when Bank of Canada cuts rates
- Lower penalty to break early (3 months' interest)
- Rate drops automatically without refinancing
- Better when rates are falling or expected to fall
Cons
- Payment uncertainty — rates can rise unexpectedly
- Risk of payment shock during rate hike cycles
- Psychological stress of fluctuating payments
- Can cost more if rates rise significantly during your term
Best For
Borrowers who can absorb payment fluctuations, expect rates to fall or stay stable, may sell or refinance before the term ends, or want historically lower rates.
Final Recommendation
There's no universally right answer. A Bank of Canada study found variable rates cost less approximately 80–90% of the time over a 10-year period, but this doesn't account for sharp rate hike cycles. If you need absolute payment certainty, choose fixed. If you can tolerate risk and believe rates will stay flat or fall, variable has historically been cheaper. A hybrid approach (part fixed, part variable) is also available from some lenders.
Key Considerations
Consider the current spread between fixed and variable rates — if it's less than 0.5%, the savings from variable may not justify the risk. Also factor in your likelihood of breaking the mortgage early (selling, refinancing), as the penalty difference can be substantial. The Bank of Canada's rate outlook and your personal risk tolerance should guide your decision.
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Sources & References
Bank of Canada
Bank of Canada policy rate history and decisions affecting variable mortgage rates
CMHC — Mortgage Consumer Survey
CMHC annual survey of mortgage consumer behavior and fixed vs variable preferences
Financial Consumer Agency of Canada
Government guide to choosing between fixed and variable mortgages
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