How Are Fixed Mortgage Rates Set in Alberta?
Short answer
Fixed mortgage rates are mainly driven by Government of Canada bond yields — especially the 5-year bond — plus the lender's funding costs, credit spreads, and profit margin. When bond yields rise, fixed mortgage rates tend to rise, and vice versa. Your quoted rate also reflects your credit profile, down payment, and whether the mortgage is insured.
The plain-English version
Lenders fund fixed-rate mortgages by borrowing in capital markets, often aligning their costs with bond yields of similar duration. A 5-year fixed mortgage is commonly priced off the 5-year GoC bond yield plus a spread. That spread covers the lender's operating costs, default risk, and margin. It is why fixed rates can move daily even when the Bank of Canada holds steady.
Canadian fixed mortgages use semi-annual compounding — interest is calculated twice per year, not monthly. That makes the effective cost slightly lower than a simple monthly-compounding calculation would suggest. When comparing rates, confirm you are using a Canadian mortgage calculator that applies semi-annual compounding.
Alberta-specific considerations
- Alberta buyers see the same bond-driven fixed rates as other provinces — local property prices affect loan size, not how the rate itself is set.
- Insured mortgages (less than 20% down) sometimes carry slightly different rate sheets than uninsured mortgages because of mortgage default insurance.
- Competition among lenders in major Alberta markets can widen the gap between posted and discounted fixed rates — shopping matters.
Example scenario
Suppose the 5-year GoC bond yield rises from 3.10% to 3.50% over two weeks. A lender that was offering 5.09% on a 5-year fixed might reprice to 5.39%. On a $450,000 mortgage with 25-year amortization, that 0.30% increase adds roughly $80/month — a planning estimate for budgeting, not a locked quote.
Common mistakes to avoid
- Watching only Bank of Canada announcements and ignoring bond yield movements for fixed rates.
- Comparing a Canadian semi-annual compounded rate with a U.S.-style monthly-compounding quote.
- Assuming the rate you see online today will be identical at application — fixed rates reprice frequently.
- Forgetting that your personal discount depends on down payment, credit, and property type.