Variable vs Fixed Rate Mortgages in Canada: Which Is Better for Bad Credit?

Mortgages & Home Buying

Variable vs Fixed Rate Mortgages in Canada: Which Is Better for Bad Credit?

Mar 20, 202620 min read

The Great Mortgage Rate Debate: Fixed vs Variable for Bad Credit Borrowers

Choosing between a variable rate and a fixed rate mortgage is one of the most consequential financial decisions any Canadian homebuyer makes. For borrowers with bad credit, this decision carries even more weight. You are already paying a premium for your mortgage due to your credit history, so getting the rate structure right can save — or cost — you tens of thousands of dollars over the life of your loan. In Canada’s current interest rate environment, with the Bank of Canada navigating between inflation control and economic growth, the choice between fixed and variable has never been more nuanced.

This guide breaks down exactly how each rate type works, how the Bank of Canada’s monetary policy affects your payments, what the historical data tells us, how the mortgage stress test applies to each option, and ultimately which choice makes the most sense for different credit tiers. Whether your credit score is 550 or 650, whether you are going through a B-lender or a private lender, the information here will help you make a decision you can live with — financially and emotionally.

How Fixed Rate Mortgages Work in Canada

A fixed rate mortgage is exactly what it sounds like — your interest rate is set at the time you sign your mortgage agreement and does not change for the duration of your mortgage term. In Canada, the most common fixed rate term is five years, though terms of one, two, three, four, seven, and even ten years are available.

When you lock into a fixed rate, your monthly payment amount remains the same from the first payment to the last payment of that term. This means every month, you know exactly how much is coming out of your account for your mortgage. For many Canadians, this predictability is worth its weight in gold, especially when household budgets are tight.

How Fixed Rates Are Determined

Fixed mortgage rates in Canada are not directly tied to the Bank of Canada’s overnight rate. Instead, they are primarily influenced by the Government of Canada bond yields, specifically the 5-year government bond yield for 5-year fixed mortgages. When bond yields rise, fixed mortgage rates tend to rise. When bond yields fall, fixed rates tend to follow.

Bond yields are influenced by a complex web of factors including inflation expectations, global economic conditions, investor sentiment, and fiscal policy. This means fixed mortgage rates can move independently of the Bank of Canada’s rate decisions. It is entirely possible — and has actually happened — for the Bank of Canada to cut its overnight rate while fixed mortgage rates simultaneously increase, or vice versa.

For bad credit borrowers going through B-lenders, fixed rates are typically quoted as a premium above the rates available to prime borrowers. In early 2026, A-lender 5-year fixed rates hover around 4.5% to 5.0%, while B-lender fixed rates for bad credit borrowers range from 6.5% to 8.5%, depending on credit score, down payment size, and other risk factors.

How Variable Rate Mortgages Work in Canada

A variable rate mortgage (VRM) has an interest rate that fluctuates based on the lender’s prime rate, which in turn is directly influenced by the Bank of Canada’s overnight lending rate. Your variable mortgage rate is typically expressed as prime minus or plus a certain percentage. For example, “prime minus 0.5%” means your rate is always 0.5% below the lender’s prime rate.

For bad credit borrowers, the spread is less favorable. Instead of prime minus a percentage, you are more likely to see prime plus a percentage. A B-lender might offer a bad credit borrower “prime plus 1.5%,” meaning if the prime rate is 5.0%, your mortgage rate would be 6.5%.

Two Types of Variable Rate Mortgages

In Canada, there are actually two types of variable rate mortgages, and the distinction is important:

Variable Rate Mortgage (VRM) with fixed payments: Your payment amount stays the same even when the rate changes. When rates go up, more of your payment goes to interest and less to principal. When rates go down, more goes to principal. This provides some payment stability but can lead to a situation where your payments are not covering the interest (negative amortization) if rates rise dramatically, as happened in 2022-2023.

Adjustable Rate Mortgage (ARM) with fluctuating payments: Your payment amount changes with each rate change. When rates go up, your payment increases. When rates go down, your payment decreases. This ensures you are always paying down principal at the intended rate, but it means your monthly budget needs to accommodate payment fluctuations.

Bank of Canada Rate Impact: Understanding the Connection

The Bank of Canada (BoC) sets the overnight lending rate, which is the rate at which major banks borrow from each other on an overnight basis. This rate directly influences the prime rate that commercial banks charge their customers. When the BoC raises the overnight rate, banks increase their prime rate, and variable mortgage rates go up. When the BoC cuts the overnight rate, the reverse happens.

Understanding the BoC’s rate trajectory is crucial for the fixed-vs-variable decision. The Bank of Canada makes eight scheduled rate announcements per year. In 2024 and into 2025, the BoC implemented several rate cuts after the aggressive hiking cycle of 2022-2023 that saw the overnight rate climb from 0.25% to 5.0%. As of early 2026, the overnight rate has settled and markets are watching closely for signals about the next direction.

What Rate Changes Mean for Your Payments

To put rate changes in practical terms, consider a $350,000 mortgage with a 25-year amortization on an adjustable rate mortgage. For every 0.25% increase in the interest rate, your monthly payment increases by approximately $45 to $50. Over a five-year term with multiple rate increases, these changes compound and can add up to hundreds of dollars per month.

Conversely, if rates decrease, those same changes work in your favor. A 1% drop in your variable rate on a $350,000 mortgage saves you roughly $180 to $200 per month, or over $10,000 over a five-year term. This is the potential reward that attracts borrowers to variable rates.

Historical Comparison: Fixed vs Variable Over the Decades

One of the most cited statistics in the fixed-vs-variable debate comes from a frequently referenced study that found variable rate mortgages saved borrowers money approximately 80% to 90% of the time when compared to 5-year fixed rates over rolling historical periods. While this statistic is compelling, it requires important context.

The bulk of that historical data comes from periods of declining or stable interest rates. From the early 1990s through 2021, interest rates in Canada were on a general downward trajectory, falling from double-digit levels to near-zero during the pandemic. During this 30-year period, variable rates were almost always the better choice simply because rates kept dropping.

The 2022-2023 rate hiking cycle was a stark reminder that rates can also move dramatically in the other direction. Borrowers who chose variable rates in 2021 at rates around 1.5% saw their rates climb to 6.5% or higher within 18 months. Many experienced payment shock, and those with fixed-payment variable mortgages hit their trigger rates, meaning their payments were no longer covering even the interest portion of their loans.

While variable rates have historically saved money more often than not, past performance does not guarantee future results. The economic conditions of the past three decades — persistent disinflation, globalization, low energy prices — may not repeat. When making your decision, focus on what rates might do over your specific mortgage term, your personal risk tolerance, and your ability to absorb payment increases. For bad credit borrowers who are already financially stretched, the cost of being wrong on a variable rate bet can be devastating.

The Mortgage Stress Test: How It Applies to Each Rate Type

The federal mortgage stress test, formally known as the minimum qualifying rate, applies to both fixed and variable rate mortgages but calculates slightly differently for each.

For all mortgages, you must qualify at the greater of: (a) your actual contract rate plus 2%, or (b) the Bank of Canada’s benchmark qualifying rate, which is currently 5.25%.

In practice, this means:

For a fixed rate of 7.0% (typical B-lender bad credit rate): You must qualify at 9.0% (7.0% + 2%), since this exceeds the 5.25% benchmark. This is a very high qualifying rate that significantly limits how much you can borrow.

For a variable rate of 6.5% (typical B-lender bad credit rate): You must qualify at 8.5% (6.5% + 2%), again exceeding the benchmark. Slightly better than the fixed example, but still restrictive.

The stress test effectively levels the playing field between fixed and variable rates for qualifying purposes. You do not gain a significant borrowing advantage by choosing one over the other when rates are similar. However, if the variable rate is substantially lower than the fixed rate, the stress test qualifying rate will also be lower, potentially allowing you to borrow more.

Risk Tolerance: The Most Important Factor

Beyond the numbers, the fixed-vs-variable decision ultimately comes down to your personal risk tolerance. And for bad credit borrowers, there are additional factors to consider that prime borrowers do not face.

1. Assess Your Financial Buffer

   Before choosing a variable rate, honestly assess your financial cushion. Can you absorb a $200 to $400 per month increase in your mortgage payment if rates rise? If a rate increase would force you to miss payments on other obligations — credit cards, car loan, utilities — you cannot afford the risk of a variable rate. Missing payments while trying to rebuild your credit would be catastrophic, potentially undoing months or years of progress. If you have at least three to six months of expenses in savings and your debt-to-income ratio leaves room for higher payments, variable becomes more viable.

2. Consider Your Credit Rebuilding Timeline

   If your goal is to refinance to an A-lender once your credit improves (which it should be), consider how the rate structure affects that plan. A fixed rate provides predictable payments that make budgeting easier, which supports consistent on-time payments — the single most important factor in rebuilding your credit. Variable rates could disrupt your budget if they spike, potentially leading to missed payments that set back your credit recovery. If you plan to refinance within two to three years, a shorter fixed term might be the best approach.

3. Evaluate the Current Rate Spread

   The difference between the fixed and variable rate being offered to you is a critical factor. If the variable rate is only 0.25% to 0.5% below the fixed rate, the potential savings are minimal and probably not worth the risk. If the spread is 1.0% or more, the variable rate becomes more attractive because you are starting from a meaningfully lower base. On a $350,000 mortgage, a 1% lower rate saves roughly $200 per month, or $12,000 over a 5-year term — a significant amount that provides a cushion against future rate increases.

4. Factor In Penalty Costs

   If you need to break your mortgage early — to refinance, sell, or for any other reason — the penalties differ dramatically between fixed and variable. Variable rate mortgages typically carry a penalty of three months’ interest. For a $350,000 mortgage at 6.5%, that is approximately $5,687. Fixed rate mortgages carry a penalty that is the greater of three months’ interest OR the Interest Rate Differential (IRD). The IRD can be extremely expensive, sometimes reaching $15,000 to $25,000 or more. Since bad credit borrowers often plan to refinance once their credit improves, the lower penalty on a variable rate mortgage is a meaningful advantage.

Best Choice by Credit Tier

Different credit situations call for different strategies. Here is a breakdown of the fixed-vs-variable decision based on where your credit falls.

Credit Score 620-679: Near-Prime Borrowers

If your credit score falls in the 620-679 range, you are close to A-lender territory and may have access to both fixed and variable rate options from B-lenders with relatively competitive pricing. Your premium above prime borrower rates is likely 1% to 2%.

Recommended approach: Consider a shorter fixed term (2-3 years) at the best rate available. This gives you payment certainty while you work to push your score above 680. Once you cross that threshold, you can refinance to an A-lender at significantly better rates. The penalty to break a short-term fixed mortgage is more manageable, and the shorter term reduces the risk of being locked into a rate that becomes unfavorable as market conditions change.

Credit Score 550-619: B-Lender Territory

With a score in this range, you are firmly in B-lender territory. Your rate premium is likely 2% to 3.5% above A-lender rates, and your options may be more limited. Many B-lenders only offer fixed rate products for borrowers in this credit tier.

Recommended approach: A fixed rate is almost always the better choice here. Your priority should be stability and credit rebuilding, not chasing potential savings through a variable rate. Lock in a 2 to 3-year fixed term, focus on making every payment on time, paying down other debts, and improving your credit score. By the end of the term, you may have moved into the near-prime category and can refinance at better rates.

Credit Score Below 550: Private Lender Territory

If your credit score is below 550, your primary option is private lending, which almost exclusively offers fixed rate mortgages. Private mortgage rates range from 8% to 15%, and terms are typically one to two years.

Recommended approach: You will likely have no choice but to accept a fixed rate from a private lender. Focus on using the one to two-year term to aggressively improve your credit so you can refinance to a B-lender. This means making all payments on time, paying down credit card balances, addressing any collections, and avoiding new negative marks on your credit report. The goal is to move up the lending ladder as quickly as possible.

The True Cost Comparison: Fixed vs Variable for a Bad Credit Borrower

Let us run the numbers on a realistic scenario to illustrate the potential outcomes of each choice.

Scenario: A Canadian borrower with a 580 credit score purchasing a $450,000 home with a 20% down payment ($90,000), resulting in a $360,000 mortgage with a 25-year amortization through a B-lender.

Option A — 5-Year Fixed at 7.5%: Monthly payment of $2,614. Total interest paid over 5 years: $126,840. Total payments over 5 years: $156,840. Remaining balance after 5 years: $329,160.

Option B — 5-Year Variable starting at 6.5%: Starting monthly payment of $2,414. If rates stay unchanged, total interest over 5 years: $109,640. If rates rise by 1% over the term, total interest: approximately $118,000. If rates rise by 2%, total interest: approximately $127,500. If rates fall by 1%, total interest: approximately $98,000.

The numbers show that the variable rate borrower comes out ahead in three of four scenarios and roughly breaks even in the fourth (rates rise by 2%). However, the peace of mind from fixed payments and the ability to budget with certainty have real value that does not show up in spreadsheets.

Breaking Your Mortgage Early: A Key Consideration for Bad Credit Borrowers

Bad credit borrowers often plan to refinance once their credit improves enough to qualify for better rates. This means the cost of breaking your mortgage early is a critical consideration.

Variable rate penalty: Typically three months’ interest. On a $360,000 mortgage at 6.5%, that is approximately $5,850.

Fixed rate penalty: The greater of three months’ interest ($6,750 at 7.5%) or the Interest Rate Differential (IRD). The IRD is calculated based on the difference between your contract rate and the lender’s current rate for the remaining term. If rates have dropped since you locked in, the IRD can be enormous — potentially $15,000 to $30,000 or more on a $360,000 mortgage.

This penalty difference is one of the strongest arguments for variable rates among bad credit borrowers. If you plan to refinance within two to three years as your credit improves, the $5,850 variable rate penalty is far more manageable than a potential $20,000+ IRD penalty on a fixed rate mortgage.

Before signing any mortgage, ask your lender or broker about the specific penalty calculation method. Some lenders use a more borrower-friendly IRD calculation than others. A few B-lenders cap their IRD penalty or use the posted rate rather than the discounted rate in their calculation, resulting in a lower penalty. This is an area where a knowledgeable mortgage broker can save you thousands of dollars by directing you to a lender with fair penalty terms.

Hybrid and Convertible Options

Some lenders offer hybrid or convertible mortgage products that combine elements of fixed and variable rates. While these are less common for bad credit borrowers, they are worth knowing about.

Convertible mortgages start as a variable rate but give you the option to convert to a fixed rate at any time during your term without penalty. This can be attractive if you want to start with a lower variable rate but want the safety net of being able to lock in if rates start rising. However, when you convert, you typically lock into the lender’s current fixed rate, which may not be competitive.

Hybrid mortgages split your mortgage into two portions — one fixed and one variable. For example, you might put 60% of your mortgage at a fixed rate and 40% at a variable rate. This provides a balance of stability and potential savings. However, hybrid mortgages are complex and rarely offered by B-lenders for bad credit borrowers.

Current Market Conditions and Outlook

As of early 2026, the Canadian mortgage market is in a transitional period. The Bank of Canada has brought its overnight rate down from the 2023 peak, and fixed rates have moderated from their highs. However, uncertainty remains regarding inflation, housing market stability, and global economic conditions.

For bad credit borrowers making the fixed-vs-variable decision right now, several factors are worth considering. The Bank of Canada has signaled a cautious approach to further rate changes. Fixed rates have already priced in expectations of a stable to slightly lower rate environment. The spread between fixed and variable rates for B-lender products is relatively narrow, reducing the potential savings from choosing variable. Housing affordability pressures continue to put political pressure on rate decisions.

In this environment, a short-term fixed rate (2-3 years) often represents the best balance for bad credit borrowers — providing stability while not locking you in for too long as you work to improve your credit for a future refinance at better terms.

Frequently Asked Questions

Making Your Decision: A Practical Framework

After considering all the factors, here is a simple framework for making your fixed-vs-variable decision as a bad credit borrower in Canada. Choose fixed if your budget is tight and cannot absorb payment increases, if you value the peace of mind of knowing your exact payment, if you plan to hold the mortgage for the full term, if the spread between fixed and variable rates is less than 1%, or if you are in active credit rebuilding mode and stability is paramount.

Choose variable if you have a financial buffer to absorb potential rate increases of $200 to $400 per month, if you plan to refinance within two to three years and want to minimize breakage penalties, if the variable rate is at least 1% lower than the fixed rate, if you believe rates are likely to remain stable or decline, or if you have a convertible option that lets you switch to fixed if needed.

Regardless of which rate type you choose, the most important thing is to make every payment on time, work actively on rebuilding your credit, and view your current mortgage — whatever its rate — as a temporary stepping stone toward better terms in the future. The fixed-vs-variable decision matters, but not as much as the decision to become a responsible, consistent borrower who is moving steadily toward financial health.