Red brick Ottawa family home with a lit front porch at dusk in fall, a home being paid down faster with an adjustable rate mortgage

Mortgage rate strategy

The Fixed and Variable Gap Is Wide Right Now. Here Is How to Use It With an Adjustable Rate Mortgage.

By Nick Bachusky, Mortgage Agent Level 1, published

An adjustable rate mortgage moves with your lender’s prime rate, so your payment changes when prime does. Right now it can sit about one percentage point below a comparable 5 year fixed rate. On a $400,000 mortgage, that gap is worth roughly $283 a month. Here is how to use it without giving up the budget certainty that makes fixed feel safe.

Most people who sit down with me start with one question: “Should I lock in?” For years, a 5 year fixed rate was the automatic answer for a lot of Canadians. It is predictable, it is simple, and nobody has to watch the Bank of Canada every six weeks.

Right now, though, choosing fixed by default could cost you real money. Fixed rates have crept up this fall, while the prime rate has held steady for almost a year. A gap that size changes the conversation.

Where do fixed and variable rates stand right now?

Variable rates are on hold and fixed rates are rising. The Bank of Canada has held its policy rate at 2.25% since October 2025, so prime at the major banks has stayed at 4.45%. Fixed rates follow bond yields instead, and several big banks have raised them since early September.

The Bank’s key interest rate page shows the last change on October 29, 2025, and a hold on September 2, 2026. The next rate announcement is Wednesday, October 28, 2026.

The Bank of Canada explains that a lender’s own funding cost sets most of a fixed rate. Prime, which tracks the policy rate, is what banks use to price variable mortgages. On the lender rate sheets I see every week, fixed pricing has moved up since early September. Prime has not moved at all.

Many borrowers are being offered a variable rate roughly one percentage point or more below the comparable 5 year fixed. The Financial Consumer Agency of Canada (FCAC) notes that a variable rate is typically lower than a fixed rate for a similar term. Right now the difference is unusually wide. You can compare current Ottawa mortgage rates to see where it sits today.

What does the gap look like on a real mortgage?

On a $400,000 mortgage over 25 years, a 5 year fixed at 4.89% costs about $2,301 a month. An adjustable rate at 3.60% costs about $2,018. That is $283 a month lower. If rates held for five years, you would pay about $17,000 less and still owe about $7,700 less.

$400,000 mortgage, 25 year amortization5 year fixed at 4.89%Adjustable at 3.60%
Monthly payment$2,301$2,018
Difference$283 lower per month
Paid over five years, if rates holdAbout $138,100About $121,100
Balance owing after five yearsAbout $353,400About $345,700

Illustrative rates as of October 2026. Calculated with semi annual compounding and payments recalculated whenever the rate changes.

Of course, rates rarely stay put. So the more useful question is what happens if they go up.

What is the “pay the difference” strategy?

You take the adjustable rate, then add a monthly prepayment so your total matches the fixed payment. In this example, that means adding about $283 a month, so you still pay $2,301. Your budget looks exactly like fixed, but far more of every dollar goes to principal.

This is the part of the conversation I find most clients have never heard.

You do not have to take the lower payment. Most mortgages let you raise your regular payment or make extra payments each year without a penalty. The FCAC calls these prepayment privileges, and most lenders cap how much you can prepay per year.

Here is why it works. Because your rate is lower, more of the required payment goes to principal instead of interest. The extra $283 goes straight to principal as well.

  • If prime rises, your required payment goes up. You shrink the prepayment to keep your total at $2,301.
  • If prime falls, your required payment drops. You raise the prepayment again.

You are essentially building your own buffer against rate increases while paying the mortgage down faster.

What happens if rates go up a full point?

Even if prime rises a full percentage point, the adjustable rate still comes out ahead in this example. If you take the lower payment, you pay about $9,400 less over five years. If you pay the difference, you keep the same $2,301 payment and pay off about $14,500 more of your mortgage.

To test this, I looked at a scenario that is not kind to variable rates. Prime rises by a quarter point four times through 2027, a full 1% in total. There is no relief until two cuts in 2028.

On the same $400,000 mortgage, here is how the two paths compare with fixed:

  • Taking the lower adjustable payment: about $9,400 less paid over five years, and a balance about $4,100 lower than fixed.
  • Paying the difference: the exact same $2,301 monthly payment as fixed. Your ending balance is about $338,900 instead of about $353,400. That is roughly $14,500 more of your mortgage paid off, with about $14,500 less going to interest.

When does a fixed rate win?

Fixed wins if rates rise enough, fast enough, and stay there. In this example, prime would need to rise a little more than 1.25 percentage points almost immediately. It would then have to stay there for all five years just for fixed to break even. Anything less dramatic, and the adjustable rate comes out ahead.

That is a real possibility, and some forecasters do expect increases. The Bank of Canada targets 2% inflation, and my rate outlook covers where it stands and the dates to watch.

I would never tell anyone rates can only go down. But it helps to know exactly how much has to go wrong before the lower rate stops working in your favour.

How do penalties change the math if you break early?

Breaking a variable or adjustable mortgage usually costs three months of interest. Breaking a fixed mortgage usually costs the greater of three months of interest or the interest rate differential (IRD). The IRD charges for the gap between your rate and the lender’s current rate, so it can be much larger. If your plans could change in the next five years, that gap belongs in your decision.

Life changes. People sell, move, separate, or refinance to consolidate debt. When that happens partway through a term, the penalty matters.

The FCAC’s own prepayment penalty example shows how wide this can get. On the same mortgage, three months of interest came to about $3,000, while the interest rate differential came to about $12,000. The lender charges the higher one.

This is why I say a rate is not just a rate, the penalty matters. If there is a real chance you will refinance your Ottawa mortgage or sell before the term ends, the smaller variable penalty can save you thousands. I walk through the full break cost math in mortgage penalties in Ottawa.

Who should still choose a fixed rate?

A fixed rate may still be the better fit for you. That is true if your budget has little room for a higher payment, rate announcements would stress you out, or you would not actually use prepayments. Certainty has value. The point is to know what you are paying for it.

A lower rate is not right for everyone. I would still point you toward fixed if:

  • Your budget has very little room to absorb a higher payment.
  • Watching rate announcements would genuinely cause you stress.
  • You would not actually use prepayments, and certainty matters more to you than potential savings.

Peace of mind has real value. The goal is simply to know what you are paying for it.

Want the broader version of this decision, including how lenders set each rate and when you can lock in? Read my take on the fixed vs variable mortgage choice.

Adjustable vs variable rate mortgage: what is the difference?

With an adjustable rate mortgage, your payment changes every time prime changes. With a variable rate and a fixed payment, your payment stays the same and the split between principal and interest shifts instead. The pay the difference strategy works best with an adjustable rate.

These terms get used interchangeably, and that confuses a lot of borrowers. Both products follow prime. The difference is what happens to your payment.

Adjustable rateVariable rate, fixed payment
When prime risesYour payment goes upYour payment stays the same
What changes insteadNothing else. Your payoff schedule stays on trackLess of each payment goes to principal
Main riskA higher monthly paymentPaying down less, or almost nothing, if rates climb far
Fit for pay the differenceBest fitHarder to track

The FCAC warns that with fixed payments, more of each payment goes to interest as rates rise. In a steep enough climb, none of it may go to principal.

Prepayment limits also vary by lender, so the details of the product matter. When I compare lenders, I look at the prepayment privileges and the penalty, not only the rate.

Questions about adjustable rates

Frequently asked questions

Can you still get an adjustable rate mortgage?

Yes. Many lenders still offer an adjustable rate mortgage in Canada, though not every lender does, and some only offer a variable rate with fixed payments. The product details matter, especially the prepayment privileges and how the payment resets when prime changes.

Is variable rate better than fixed right now?

It can be, but not for everyone. In October 2026, many borrowers are seeing variable rates about one percentage point below a comparable 5 year fixed. In the example above, fixed only wins if prime rises more than 1.25 points almost immediately and stays there for five years.

Are mortgage rates going up or down?

Nobody knows for certain. The Bank of Canada has held at 2.25% since October 2025, and its next decision is October 28, 2026. Fixed rates have risen this fall. Some forecasters expect increases, so treat any forecast as a possibility, not a promise.

How does a variable rate work?

A variable rate is set as a discount or premium to your lender’s prime rate. Prime moves when the Bank of Canada changes its policy rate. With an adjustable rate, your payment moves too. With a fixed payment, the principal and interest split shifts instead.

How much extra can I prepay on an adjustable rate mortgage?

It depends on the lender. Most let you raise your regular payment by a set percentage or make a lump sum payment each year without a penalty. The limits vary, so check them before you choose a lender, not after.

Does the pay the difference strategy work at renewal or refinance?

Yes. It works the same way whether you are buying a home in Ottawa, renewing or refinancing. At renewal, you can also compare lenders before you sign. If you are coming up on an Ottawa mortgage renewal, it is a good moment to model both options side by side.

Let’s run your numbers

The rates above are illustrative, and your situation is not an average. I can model your actual mortgage, your lender options and a few rate scenarios side by side. You will see the payments and balances before you sign anything. This works for purchases, renewals and refinances.

Book a time with me and we will go through it together. I am one WhatsApp message away.

Rates quoted are illustrative as of October 2026 and subject to change. Scenarios are projections, not predictions. Nick Bachusky, Mortgage Agent Level 1, Referral Mortgages Inc., FSRA #13316.

Nick Bachusky, Ottawa Mortgage Agent, author of this guide to the adjustable rate mortgage pay the difference strategy

About the author

Nick Bachusky

I am Nick Bachusky, a Mortgage Agent Level 1 working under Referral Mortgages Inc., FSRA brokerage licence #13316. I have spent 14 years in mortgages, including time at RBC and TD. I run rate scenarios like these for clients every week, because the right mortgage depends on your numbers, not the headline rate.

I compare lenders on the rate, the prepayment privileges and the penalty together. If you are buying, renewing or refinancing in Ottawa, I am one WhatsApp message away.

Nick Bachusky, Mortgage Agent Level 1, Referral Mortgages Inc., FSRA brokerage licence #13316. Rates quoted are illustrative as of October 2026 and subject to change. Scenarios are projections, not predictions. This article is general information, not financial advice.

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Nick Bachusky, Mortgage Agent Level 1, Referral Mortgages Inc., FSRA brokerage licence #13316. Ottawa and the surrounding area.