Why is an open mortgage rate higher than a closed one?

The lender gives up certainty about how long it will earn interest, since you can repay any time. It charges a higher rate to offset that risk and the option value you receive.

When does an open mortgage make sense?

When you expect to pay the loan off or refinance within a short window, such as before selling a home or after a known windfall. If you will hold it for years, a closed mortgage is usually cheaper.

Can I switch from an open to a closed mortgage?

Yes. Because there is no penalty to break an open mortgage, you can convert it to a closed product or refinance into a lower rate at any time, subject to lender approval.

Mortgage Glossary

What is Open Mortgage?

An open mortgage is a home loan that lets you make extra payments, lump-sum payments, or pay off the entire balance at any time without a prepayment penalty. In exchange for that flexibility, open mortgages usually carry higher interest rates than closed mortgages. They suit borrowers who expect to repay quickly or who value the freedom to break the loan.

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Quick answer

Also known as: open term mortgage

Key points

Can be repaid in part or in full at any time with no prepayment penalty.
Interest rates are higher than closed mortgages to pay for the flexibility.
Available as fixed or variable, often on shorter terms.
Best suited to borrowers expecting to sell, refinance, or receive a windfall soon.
Usually a poor choice if you plan to keep the mortgage for the full term.

Open Mortgage explained

An open mortgage gives you full freedom to repay the principal whenever you wish, in any amount, with no breakage charge. You can prepay part of the balance, accelerate your schedule, or settle the loan in full early without the penalty a closed mortgage would impose. That flexibility is the defining feature, and it is the reason lenders price open mortgages above comparable closed products.

Open mortgages come in fixed and variable forms and in short or long terms, though shorter terms are common because the flexibility matters most over brief windows. The higher rate is the trade-off: you pay more in interest for the option to leave at any time, so an open mortgage makes financial sense only when you genuinely expect to repay or refinance soon.

What a Open Mortgage is for

Open mortgages exist for borrowers whose plans are uncertain or short-term. They are designed for people who expect to sell a home, receive a large sum such as an inheritance or bonus, relocate for work, or refinance into a better product within a few months. The penalty-free exit removes the risk of an expensive breakage charge when life changes faster than a typical multi-year term allows.

How it can help you

Choosing an open mortgage protects you from prepayment penalties that can run into thousands of dollars when you break a closed loan early. If you know a windfall or a sale is coming, the freedom to repay without charge can easily outweigh the higher rate. Because the right answer depends on the rate gap and how long you will actually hold the loan, comparison shopping matters; Lenderoo lets you compare open and closed options across 40+ lenders for free so you can weigh the trade-off with real numbers.

When it comes up

A homeowner who has listed their property and expects it to sell within three months takes an open mortgage on a new purchase. When the old home closes and the proceeds arrive, they pay the new mortgage down by a large lump sum with no penalty, then refinance the remaining balance into a lower-rate closed mortgage for the long haul.

Example: paying off early without a penalty

Suppose you take a $300,000 open mortgage at a rate roughly 0.75% higher than the closed equivalent. Over a six-month period that premium might cost you around $1,100 in extra interest.

Halfway through, you receive a $300,000 inheritance and pay the mortgage off in full. With an open mortgage you owe no prepayment penalty. Had you been in a closed mortgage, breaking it could have triggered an interest-rate-differential penalty of several thousand dollars, far more than the rate premium you paid for flexibility.

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Questions & answers

Open Mortgage: frequently asked questions

Common questions Canadians ask about open mortgage.

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