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Fixed mortgage rates are priced off Government of Canada bond yields, not the Bank of Canada policy rate. The five year yield closed at 3.35 per cent on 20 August 2026, up from 3.17 per cent on 4 August and the highest since May, so fixed quotes are climbing while the policy rate sits at 2.25 per cent.
Fixed mortgage rates in Canada are not set by the Bank of Canada. They are priced off what lenders pay to borrow money for the same length of time, and that is the Government of Canada bond yield. The five year yield closed at 3.35 per cent on 20 August 2026, its highest since 19 May, while the Bank's policy rate has sat at 2.25 per cent since July. That is why a quote from two weeks ago looks better than the one you were given this week, even though nothing was announced.
Why are fixed rates rising when the Bank of Canada has not moved?
Because they answer to different things. The policy rate is an overnight rate, and it drives variable rate mortgages and lines of credit. A five year fixed mortgage is funded closer to a five year bond, so lenders watch that yield and add a spread on top for their costs and risk. When the yield moves, fixed rates follow, usually within days, and no announcement is involved.
The Bank held its policy rate at 2.25 per cent on 15 July 2026. Bond yields have moved plenty since.
How much has the five year yield actually moved?
From the Bank of Canada's own daily benchmark bond yields:
- 4 August 2026: 3.17 per cent
- 10 August 2026: 3.34 per cent
- 13 August 2026: 3.23 per cent
- 20 August 2026: 3.35 per cent
That is 18 basis points in about two weeks, and the 20 August close is the highest reading since 19 May 2026. Over the same stretch the three year yield went from 2.96 to 3.11 per cent and the ten year from 3.55 to 3.75 per cent. The whole curve moved, so this is not one odd print.
What does 18 basis points do to a monthly payment?
Take a $700,000 mortgage amortised over 25 years, which is an ordinary size for a move up buyer in the GTA. Shift the rate by 18 basis points, from 4.00 per cent to 4.18 per cent, and the payment goes from roughly $3,682 to roughly $3,751. That is about $69 a month, or close to $4,100 over a five year term.
The rates in that example are illustrations rather than quotes. The 18 basis points are real.
Does a higher rate change how much you can borrow?
Yes, and by more than the payment change suggests. Lenders qualify you at the minimum qualifying rate, which OSFI sets at the greater of the mortgage contract rate plus 2 per cent or 5.25 per cent. Once a contract rate is above 3.25 per cent, the qualifying rate moves with it one for one. Tested 18 basis points higher, the mortgage you qualify for shrinks.
One exception is worth knowing at renewal. OSFI does not expect lenders to apply the minimum qualifying rate when a borrower moves an uninsured mortgage to another federally regulated lender without increasing the loan amount or the amortisation period. Shopping your renewal does not mean sitting the stress test again.
What happens on 2 September?
The Bank's next scheduled rate announcement is 2 September 2026 at 09:45. It sets the policy rate, which is the variable side. It does not set fixed rates, and the bond market generally prices in what it expects well before the day. If you are holding off on locking a fixed rate until 2 September, you are waiting on the wrong number. July inflation came in at 3 per cent, which we went through in what the inflation print means before September 2.
What should you do if you are buying or renewing now?
Get a rate hold in place. A pre approval holds a rate for a set window at no cost, and it is protection worth having while yields are climbing. Ask your lender how long the hold runs and whether you still get the lower rate if the market falls during it.
If you are renewing, start about four months before maturity and collect competing offers before your current lender's renewal letter expires. The switch exemption above is what makes that worth doing.
If the question is what you can carry rather than what you have been quoted, run it through our affordability calculator and then take the number to a broker.
