Canada’s key bond benchmark for fixed mortgages surged again this week, with the five-year Government of Canada yield testing levels not seen since last summer as markets grappled with fresh Iran tensions and a darker global outlook.

According to MarketWatch, the Canada the five-year government bond stood at 3.218% as of March 20, 2026 at 3:33 p.m. EDT.

Through July 2025, the five‑year yield ranged roughly between 2.9% and 3.1%, with a noticeable jump mid‑month.

For mortgage professionals, the direction of travel is familiar. In mid‑2025, the five-year government bond was “a key benchmark for fixed rates” after it rose nearly 20 basis points in a single week, prompting lenders to lift discounted fixed offers.

With the benchmark hovering around 3% for much of March and then pushing higher, that pricing link looks poised to reassert itself. Prior spikes showed that a jump in the five-year yield past the 3% mark could push lenders to hike fixed rates again if uncertainty persisted.

Source/More Details: Canadian Mortgage Professional