When the Bank of Canada Moves, Your Mortgage Feels It.
The Bank of Canada's policy rate is the anchor beneath prime, variable and fixed mortgage pricing. Here is a plain-language look at how a rate decision travels from Ottawa to your monthly payment, renewal and borrowing strategy.
The policy interest rate, explained
Where the number you hear on decision day actually comes from — and what it is not.
The Bank of Canada sets a target for the overnight rate — the interest rate at which major financial institutions borrow and lend among themselves for very short terms. This target is often called the policy interest rate, and the Bank adjusts it to help keep inflation low, stable and predictable.
Here is the key distinction: the policy rate is not your mortgage rate. The Bank does not set the rate a lender charges you. Instead, its decisions ripple outward through the cost of money in the economy, influencing the rates lenders are willing to offer. When people say "the Bank raised rates" or "the Bank cut rates," they mean this overnight target moved — and the effect on your mortgage depends on the type of mortgage you hold.
General information only This page is educational and is not financial advice or a commitment to lend. Rates change without notice and depend on the lender and your qualification.
How a decision reaches your mortgage
The path from a policy announcement to the rate on your statement runs along two different tracks.
When the Bank changes its overnight target, lenders typically adjust their published prime rate in the same direction. Prime is the internal benchmark most lenders use to price floating-rate products.
Variable-rate mortgages and home equity lines of credit are priced as prime plus or minus a spread, so they move up or down as prime moves. A change to the policy rate can flow through to these products soon after a decision.
Fixed mortgage rates generally track government of Canada bond yields, which are driven by market expectations for inflation and future rate moves. Because markets price in expectations ahead of time, fixed rates can move before, after, or differently from the Bank's actual decision.
Variable vs fixed when rates change
The two structures respond to rate movement in fundamentally different ways.
Variable-rate mortgages
Because a variable rate is tied to prime, a policy-rate change can flow through to your cost of borrowing. Depending on your product, that can mean your payment changes, or your payment stays level while more or less of it goes to interest — which can lengthen or shorten your amortization.
Many variable products also have a trigger rate — the point at which a fixed payment no longer covers the interest owed, prompting the lender to reach out about adjusting. It is a concept worth understanding before choosing variable.
Fixed-rate mortgages
A fixed rate locks your rate — and typically your payment — for the length of the term, so a policy-rate move mid-term does not change what you pay. That certainty is the main appeal for borrowers who want a predictable budget.
The trade-off shows up if you break the term early: fixed mortgages can carry larger prepayment penalties, often calculated as the greater of three months' interest or an interest rate differential (IRD). Understanding the penalty math matters before you sign.
What a rate change means for you
The same decision lands differently depending on where you are in your mortgage.
Variable payments & trigger rate
If you hold a variable-rate mortgage, a policy change can affect your payment or how quickly you pay down principal. Knowing your trigger rate helps you plan ahead rather than react.
Renewals & payment shock
At renewal your rate resets to current market pricing, which may be higher or lower than your original rate. Reviewing early gives you time to prepare for any payment change and weigh your options.
Pre-approval rate holds
A pre-approval can hold a rate for a set window while you shop, offering some protection if rates rise before you buy. If rates fall, you may still be able to benefit — worth confirming with your broker.
Qualifying & the stress test
Lenders qualify borrowers at a higher benchmark than the contract rate. As rates move, the qualifying rate can shift too, which affects how much you may be approved to borrow.
Rate announcements
The Bank communicates on a set calendar rather than at random.
The Bank of Canada makes its interest-rate decisions on a fixed, pre-announced schedule — several scheduled announcements each year (about eight). Between these dates, the Bank can act in unusual circumstances, but the scheduled announcements are the ones markets and lenders watch most closely.
Rather than tracking specific dates or rate values here — which change over time — check the official source directly for the current calendar and the latest decision.
Smart moves in any rate environment
You cannot control the Bank's decisions, but you can control how prepared you are for them.
Budgeting with room above your qualifying rate means an upward move is uncomfortable rather than destabilizing. A cushion protects your plans if pricing shifts.
Most mortgages allow lump-sum payments or payment increases each year. Using them chips away at principal and can soften the impact of a future rate reset.
Many lenders let you lock a renewal roughly four months ahead. Starting early gives you time to compare offers and negotiate rather than accepting the first letter.
A broker can weigh fixed versus variable, run the numbers on penalties and renewals, and match rate risk to your comfort level and plans — across multiple lenders.
More in the Knowledge Centre
Explore related topics to round out your understanding of the market and how it is regulated.
Fixed or variable — what fits you?
Book a quick call and Paul will map rate risk to your comfort and plans.