The Dutch Authority for the Financial Markets has set the mortgage stress test rate for the fourth quarter of 2026 at 5%. Mortgage providers must use the quarterly rate to calculate financing burdens and permitted financing burdens for mortgages with an interest rate fixed period of less than 10 years, helping assess whether borrowers could absorb higher payments after that period ends. If the borrowing rate offered to the customer is higher than 5%, the provider must use that higher rate instead. The rate is based on a market share weighted average of rates charged by at least five of the six largest mortgage providers. The calculation uses 10-year fixed rate annuity mortgages with no discounts or guarantees and a maximum loan-to-value ratio of 100%, with market shares determined from Land Registry data on the number of mortgages originated.