The interest rate fluctuates with lenders' prime rate, generally tied to Bank of Canada decisions. Depending on the lender, the payment may stay fixed (with the principal and interest split changing) or adjust directly.
Avantages : historically advantageous over the long run across several rate cycles compared with a fixed rate; prepayment penalties are generally lower.
Points to consider: exposure to rising rates, which can increase the payment or lengthen the amortization period depending on the terms of the loan.
Generally relevant for: borrowers comfortable with some budget uncertainty, in exchange for potential long-term savings.