Policy Loan Interest Against Dividends: Is the Gap Really an Arbitrage?

Somewhere in a presentation about participating whole life insurance, two numbers often appear side by side. One is the rate the insurer charges on a policy loan. The other is a dividend figure, sometimes called the dividend scale interest rate. When the second looks higher than the first, the slide suggests you are being paid more than you are charged. When it looks lower, critics say you are losing money every year the loan stays open.

Both readings rest on the same mistake. They treat the two numbers as rates of the same kind, so that one can be subtracted from the other. They are not. One is a price you owe. The other is part of a calculation the insurer makes each year, and it is not a rate earned on your cash value.

This page explains what each figure measures, why the gap between them is not an arbitrage, what actually decides whether a policy loan is healthy, and what to compare instead. It is general information from a licensed insurance professional, not tax, legal or investment advice. The only figures used are round illustrative assumptions, labelled as such, and no insurer's rate appears.

Begin with the claim itself.

What is the arbitrage claim, and where does it come from?

It is the idea that a policyholder earns more on the cash value than they pay on a policy loan, and keeps the difference. In the literature around the strategy known as The Infinite Banking Concept®, presenters sometimes describe the dividend as growth that continues while a loan is outstanding, and set it beside the loan rate as if the two were competing returns.

The reverse version appears in critical articles and in search results. An AI summary shown on Google in October 2026 for a French search on the method listed, among the risks, that if the cost of borrowing exceeds the credited return, the net value falls. The same summary for an English search a day earlier called the arbitrage idea a misconception and noted that a policy loan is not always cheaper than a lender's rate.

Each version holds a piece of truth. A policy loan does leave the value inside the contract, so the contract's growth does not stop because you borrowed. And a loan whose interest is never paid can, in time, consume the value securing it. But neither version is about an arbitrage, because neither number is what the slide says it is.

What does the policy loan rate measure?

It is the interest the insurer charges on money it has advanced to you. The Income Tax Act defines a policy loan as an amount advanced by an insurer to a policyholder in accordance with the terms of the policy. The rate is set by the insurer under the contract, it can change within whatever the contract allows, and the interest is paid to the insurer.

Three features matter more than the number itself. First, the interest is a real cost paid to a real party, and it is not credited back to your contract. Second, if you do not pay it, the insurer usually adds it to the loan, so the balance grows and next year's interest is charged on a larger amount. Third, the loan has no fixed repayment schedule, which is a freedom and also a risk, because nothing forces the balance down.

The Autorité des marchés financiers explains the effect at death on its page about using the cash surrender value without cancelling your insurance: if the insured dies before the loan is repaid, the insurer subtracts the amounts owed plus accrued interest from the amount of insurance. How the rate is set and how a loan is administered are explained on policy loans.

What does the dividend figure measure?

A dividend is an amount the insurer's board may declare each year for participating policies, based on the experience of its participating account. That experience includes investment results, mortality, expenses and other factors. The dividend is not guaranteed, and it is not an interest rate paid on your cash value.

The figure most often quoted is the dividend scale interest rate. A trade publication explained in April 2023 that it is the rate used to calculate the part of the dividend attributable to investment returns, and that it is not the same as the actual dividend. Mortality, expenses and other factors also shape what is declared. So a headline dividend scale interest rate tells you something about the insurer's participating account. It does not tell you what your own contract earned last year.

Your own contract's growth depends on its guaranteed values, its design, its age, the premiums paid, the dividend option you chose and the dividends actually declared. Early in a contract's life, the growth in cash value can be smaller than the premiums paid, because the first years carry the heaviest costs. How a dividend is used inside the contract is explained on the dividend options and what each one does.

Why is the gap between them not an arbitrage?

Because an arbitrage locks in a known difference between two prices, and here only one of the two is a price. The loan rate is a cost you know today and that can change. The dividend is an amount you will learn about once it is declared, and it is not a rate on your money. Subtracting one from the other produces a number with no clear meaning.

There is a second reason. Whatever growth the contract earns, it would earn without the loan, provided the insurer calculates dividends as if no loan existed. Borrowing does not create that growth. It only adds an interest charge. So the honest comparison is not "dividend minus loan rate". It is "the cost of this loan" against "the cost of the other ways I could pay for the same thing".

Some insurers take an outstanding loan into account when they calculate the dividend on the part of the value securing it. People borrowing American labels call that direct recognition, and the opposite non-direct recognition. Neither label is a Canadian legal category, and neither tells you how your own contract works until the insurer confirms it in writing. Where the loan does change the dividend, the slide's comparison is wrong twice over.

A third reason concerns tax. A policy loan is a disposition under subsection 148(9) of the Income Tax Act, so the part of the loan above the adjusted cost basis of your interest in the contract is income in the year it is received. The interest is deductible only when the money is used to earn income from a business or property, and subsection 20(2.1) adds that the insurer must verify the interest in prescribed form. Both rules are in section 148 and section 20 of the Act. A comparison that ignores tax is incomplete before it starts.

Why does the side-by-side comparison look so persuasive?

Because it is usually drawn from the projected column of an illustration. A projection assumes the insurer keeps paying dividends at its current scale for every year shown, so the cash value line climbs steadily and the loan line looks small beside it. The picture is accurate to its assumptions and silent about what happens when they change.

Guideline G6 of the Canadian Life and Health Insurance Association asks illustrations to show clearly which values are guaranteed and which are not. That distinction is the one the arbitrage slide tends to blur. Put the same loan beside the guaranteed column and the picture is often less comfortable, especially in the early years, when the guaranteed value is lowest and the loan takes a larger share of it.

There is also a framing effect. Two percentages placed side by side invite subtraction, and the eye reads the difference as a result. A reader who sees the loan as a price and the dividend as an uncertain allocation, rather than as two rates, is no longer persuaded by the gap. How to read the guaranteed and projected columns is explained on how to read the cash value table.

What does a reduced dividend scale change?

It changes the value side of the comparison, not the loan side. When the board reduces the dividend scale, future dividends are smaller than an illustration assumed, so cash value grows more slowly. The loan rate does not fall with it automatically. The room between the debt and the value can shrink faster than planned.

This is why a plan built on a projected column is fragile. An illustration's projected values assume the current scale continues for the whole period, which the insurer does not promise. A plan that only works if the dividend never falls is not a plan the contract supports. Before you rely on a loan staying healthy, look at the guaranteed column and ask what happens to the loan at a lower scale. What a reduced scale does to a property plan is worked through on what a lower dividend scale does to a real estate plan.

What should you compare instead?

Compare the loan with your real alternatives for the same need, and check the loan against the contract. Those are two different questions, and the arbitrage slide answers neither. The first tells you whether borrowing from the insurer is the right source of money. The second tells you whether the loan is safe to carry.

For the first question, write the alternatives side by side: paying cash, a secured line of credit, an unsecured loan, or waiting until you have saved. For each, note the rate, who sets it, whether it can change, the repayment terms, and the tax effect. A policy loan is not automatically cheaper than a secured line of credit; it may cost more. Its strengths are elsewhere: no outside credit assessment and no imposed schedule. The full comparison is on a policy advance and other credit.

For the second question, ask the insurer for a dated statement and look at four lines:

• the cash surrender value today and the guaranteed value for next year;
• the loan balance today, including interest added since the last statement;
• the interest rate charged now, and how the contract allows it to change;
• the amount you could still borrow, and how far the debt is from the value.

Then decide on a repayment rhythm you can keep, even a modest one. A loan whose interest is paid each year behaves very differently from one left to compound.

How do you keep a policy loan healthy?

Treat it as if an outside lender had made it, even though nobody will ask you to. Decide the repayment amount and the schedule before you borrow, write them down, and pay them on time. At a minimum, pay the interest each year so the balance stops compounding.

A simple rule works for most households: repay the loan over a period you would accept from a lender for the same purchase. A vehicle financed over five years is repaid over five years. A renovation repaid over three years is repaid over three. The freedom of a policy loan lets you slow down in a hard year; it is not meant to make slowing down the normal state.

Review the loan once a year, on the policy anniversary, against the insurer's statement. Note the balance, the interest added, the cash value and the room left. If the dividend scale was reduced that year, look again at the room, because it will close faster than planned. A short yearly review costs an hour. A contract that ends with a loan outstanding can cost years of growth and a tax bill. How a family runs that review is described on the yearly review of a family financing system.

What does this mean for the method Nelson Nash described?

It means the method stands or falls on discipline, not on a spread. The method known as The Infinite Banking Concept® asks a household to finance purchases through policy loans and to repay them as it would repay an outside lender, so that the borrowing capacity returns for the next purchase.

Read that way, the interest on a policy loan is the cost of using the contract's value instead of an outside lender's money. It is paid to the insurer. What the household gains is control over the schedule and the absence of an outside credit decision, not a guaranteed margin. The full description of the method, with its costs and requirements, is on the cornerstone guide, and what "recapturing interest" can and cannot mean in Canada is explained on what recapturing interest means.

A household that borrows freely and never repays will see its loan grow until the contract can no longer support it. That outcome has nothing to do with whether the dividend scale was above or below the loan rate on the day the loan was taken.

Who should not rely on this kind of borrowing?

Anyone who plans to leave interest unpaid for years, anyone whose contract is young and still building cash value, and anyone whose plan depends on dividends staying at today's scale. A policy loan suits people who will repay on a schedule they set and keep, and who watch the balance every year.

It also does not suit someone who needs the loan to produce a return. A participating whole life contract is life insurance first. Its cash value grows under the contract's guarantees and under dividends the board declares, which are not guaranteed. Borrowing against it is a way to use that value, not a way to multiply it. If the purpose of the loan is to earn a margin, the honest answer is that no margin is promised.

And it does not suit anyone who has not read the loan provisions of the contract. They state how the rate is set, when interest is added, what notice is given when the balance nears the value, and what happens if the debt exceeds it.

What this page will not tell you

It will not quote any insurer's loan rate or dividend scale, because both belong to one insurer on one date and both can change. It will not tell you whether a loan suits your purchase, because that depends on your income, your contract and your alternatives. And it will not tell you that the gap between two numbers on a slide is money in your pocket, because it is not.

The useful habit is simple. When someone sets a loan rate beside a dividend figure, ask two questions: what exactly does each number measure, and what happens to my loan if I pay no interest for five years? The answers will tell you more than the gap ever could.