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Canada’s Mortgage Stress Test

by | July 20, 2026

The implementation of the mortgage stress test in Canada has been a significant regulatory measure with far-reaching implications for the mortgage industry, housing market, social dynamics, financial stability, and the broader Canadian economy. This article provides an academic exploration of the stress test, examining its impact on various aspects of the Canadian financial landscape.

Why the Stress Test?

What Does the Stress Test Prevent?

What is Canada’s Mortgage Default Risk?

Could the American Financial Crisis Happen in Canada?

How Does the Stress Work?

Does the Stress Test Apply to Private Mortgages?

What Mortgage Providers Are Not Federally Regulated?

Who Are Canada’s Private Lenders?

Who Are Canada’s Mortgage Finance Corporations?

Who Are Canada’s Mortgage Investment Corporations?

In recent years, the Canadian government, through the Office of the Superintendent of Financial Institutions (OSFI), introduced the mortgage stress test as a tool to enhance the resilience of the housing market and financial system. This measure requires prospective homebuyers to qualify for mortgages at a higher interest rate than the actual rate offered by lenders, ensuring borrowers’ ability to withstand potential increases in interest rates. OSFI took a look at the amount of debt Canadians were taking on via mortgages. Then OSFI reviewed the increase in house prices relative to Canadians’ income and debt and believed action needed to be taken to reduce the risk to Canada’s banking system in particular and the Canadian economy as a whole.

Speculation
Speculation

Banks lend out money; more to the point, they lend out your money, depositors’ money. When you deposit your money in the bank, you trust that your money will be there when you need to withdrawal it. You also trust that the bank will not lose your money. When you don’t trust your bank to hold your money safely, you will quickly take it out. When large numbers of depositors feel the same way, you get a ‘run on the bank’, and the bank collapses and depositors lose their money. Anyone who isn’t able to get their money out of the bank will make a claim against CDIC (Canadian Deposit Insurance Corporation) for up to $100,000 per account. But what if too many depositors make claims against CDIC—more than CDIC can pay? That’s what happened in the United States during the Financial Crisis when the insurer AIG couldn’t cover all the claims made against it by banks as a result of dropping real estate prices. People lost their homes because the couldn’t make their payments, causing large amounts of homes to hit the market and real estate prices to drop. People walked away from their homes and the banks took big losses; big losses of their depositors’ money.

Impact on Mortgage Qualification and Lending Practices:

The stress test has notably tightened mortgage qualification criteria, leading to a reduction in the borrowing capacity of many Canadians. Lenders have adapted their practices to comply with the new regulations, resulting in more rigorous assessments of borrowers’ financial situations. This shift has particularly affected first-time homebuyers and those with lower incomes or higher debt levels.

UPDATE

Effective November 21, 2024: Removal of the stress test requirement for uninsured mortgage renewals when homeowners switch lenders. This policy change, announced by the Office of the Superintendent of Financial Institutions (OSFI), allows borrowers with uninsured mortgages (typically those with more than 20% down payment) to switch to a new lender upon renewal without needing to re-qualify under the stress test conditions. This change aims to enhance competition among lenders and provide homeowners with greater flexibility and potentially better rates when renewing their mortgages​.
Prior to this update, all borrowers switching lenders at mortgage renewal were required to pass the stress test, which could restrict their ability to secure more favourable rates from new lenders. This adjustment is intended to balance the treatment of insured and uninsured borrowers and encourage a more competitive mortgage lending environment​

Influence on Housing Prices and Market Dynamics:

The stress test has contributed to a cooling effect on the housing market in some regions, as the reduced borrowing capacity of buyers has led to a decrease in demand. This effect, however, varies across different housing markets in Canada, with some areas experiencing continued price growth due to factors such as supply constraints and regional economic conditions.

Stress Test
Stress Test

Social Implications:

The stress test has had social implications, particularly in terms of housing affordability and accessibility. While it aims to protect borrowers from overextending themselves, it has also made homeownership more challenging for certain segments of the population. This has sparked debates about the balance between financial prudence and housing accessibility.

It has indirectly caused additional stress on the rental market. Housing is an essential human need. When Canadians can’t afford to purchase a home, they must necessarily rent. By forcing more Canadians out of being homeowners, the government forces more people to become renters. An increase in the number of Canadians renting increases the price of rental across the country.

Stability of Financial Institutions:

From a financial stability perspective, the stress test has been instrumental in reducing the risk of mortgage defaults and enhancing the resilience of banks and other lenders. By ensuring that borrowers can withstand interest rate hikes, the measure has contributed to the overall health and stability of the Canadian financial system.

OSFI Liquidity Principle #1

An institution is responsible for the sound management of liquidity risk. An institution should establish a robust liquidity risk management framework that ensures it maintains sufficient liquidity, including a cushion of unencumbered, high quality liquid assets, to withstand a range of stress events, including those involving the loss or impairment of both unsecured and secured funding sources.

Liquidity Principles – Guideline (2020) – Office of the Superintendent of Financial Institutions (osfi-bsif.gc.ca)

Bank of Canada Controls the Economy
Bank of Canada Controls the Economy

Wider Economic Impact:

The stress test’s influence extends to the broader Canadian economy. By moderating the housing market, it has helped mitigate the risk of a housing bubble and its potential burst, which could have significant economic repercussions. However, the reduced borrowing capacity may also have a dampening effect on consumer spending and economic growth, given the interconnection between the housing market and the broader economy.

Conclusion:

The mortgage stress test in Canada represents a critical regulatory intervention aimed at ensuring the long-term stability and sustainability of the housing market and financial system. While it has brought about increased financial prudence, it also poses challenges in terms of housing accessibility and affordability. The ongoing evaluation and potential adjustments to the stress test will be crucial in balancing these diverse and sometimes conflicting objectives, ensuring a stable yet accessible housing market in Canada.

References:

1. Office of the Superintendent of Financial Institutions (OSFI)

2. Statistics Canada

3. Canadian Real Estate Association (CREA)

4. Bank of Canada

5. Academic Journals on Housing Economics and Financial Regulation

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Allen Ehlert

Allen Ehlert

Allen Ehlert is a licensed mortgage agent. He has four university degrees, including two Masters degrees, and specializes in real estate finance, development, and investing. Allen Ehlert has decades of independent consulting experience for companies and governments, including the Ontario Real Estate Association, Deloitte, City of Toronto, Enbridge, and the Ministry of Finance.

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