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The five-year Government of Canada bond yield reached 3.7% in September 2026, up from below 1% in 2020–21, according to the C.D. Howe Institute. That rise can put upward pressure on fixed mortgage rates, and the Bank of Canada estimates that the final pandemic-era cohort of five-year fixed-payment mortgages renewing over the next 12 months will face an average payment increase of about 15%. Neither figure predicts what any one borrower will be offered: a bond yield is not a mortgage rate, and a cohort average is not an individual renewal forecast.
What the bond-yield rise means
The C.D. Howe Institute’s October 5, 2026 graphic identifies the five-year Government of Canada bond yield as a benchmark relevant to fixed mortgage rates. Its latest reported point is 3.7% for September 2026; the institute says the yield was below 1% in 2020 and 2021, when many five-year mortgages now approaching renewal were arranged. The institute attributes part of the recent pressure to integrated Canadian and U.S. bond markets and rising U.S. yields. C.D. Howe Institute
A bond yield is the return on a government bond, not the rate a lender will quote a renewing borrower. Lenders use bond yields as one input when pricing fixed-rate mortgages, but their offers also reflect lender pricing and borrower circumstances. The yield therefore signals potential pressure on fixed mortgage pricing; it does not set a borrower’s renewal rate or payment.
What the Bank of Canada estimates for upcoming renewals
The Bank of Canada’s 2026 Financial Stability Report says pandemic-era five-year fixed-payment mortgages coming up for renewal over the next 12 months represent about 12% of outstanding mortgages. For this defined group, the Bank estimates average payments will rise about 15%. The 12% figure is the cohort’s share of outstanding mortgages; 15% is the cohort’s average payment increase, not a forecast for all mortgages or for every household in it. Bank of Canada, Financial Stability Report 2026
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The Bank’s 2025 analysis gives useful context but is not a current forecast. In a July 2025 staff note, it estimated that about 60% of mortgage holders renewing in 2025–26 would see higher payments than in December 2024. Under its assumptions, average monthly payments could be 10% higher for 2025 renewers and 6% higher for 2026 renewers, relative to December 2024. Those conditional estimates assumed rates evolved with market expectations and borrowers renewed into the same mortgage type and term. They should not be read as a fresh estimate for today’s offers or as a substitute for the Bank’s 2026 cohort estimate. Bank of Canada, Staff Analytical Note 2025-21
Why one borrower’s payment may differ from the average
A renewal payment depends on more than a benchmark yield. Relevant differences include:
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- Mortgage structure: Fixed and variable mortgages respond differently to changes in interest rates and payment terms.
- Renewal date and term: The rate available when a borrower renews, and the term selected, affect the payment calculation.
- Principal and amortization: The remaining balance and time left to repay influence the required payment.
- Income growth: Stronger income growth has helped many households absorb higher payments. Households with weaker income growth may have less room in their budgets.
- Home equity and refinancing options: Lower home prices can reduce equity buffers. Borrowers with less equity may have fewer options if they need to refinance, leaving some with less flexibility.
The Bank of Canada reports that most borrowers have managed payment increases so far, but that does not mean every household has the same capacity to absorb another one. Its 2026 analysis highlights weaker income growth, reduced equity buffers and refinancing constraints as factors that can make some borrowers more exposed.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to check before your renewal
Use your lender’s renewal offer—not a bond-yield headline—to assess your own likely payment. Check the proposed rate and term alongside the balance and amortization shown in the offer, then compare any available alternatives that fit your circumstances. The yield move is a market signal; only a lender’s offer and your mortgage details can show how it translates into your payment.
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