High-interest savings accounts, explained

A high-interest savings account (HISA) is a deposit account built for one job: paying you a competitive rate on cash you want to keep safe and accessible. Unlike a chequing account, which pays next to nothing, a HISA pays a market-leading rate — and unlike a GIC, there's no lock-in. You can withdraw any time, with no penalty.

The catch is that the rate floats — the bank can raise or lower it at any time, so a HISA is never a place to "lock in" a rate the way a GIC is. The institutions paying the most are almost always online banks and credit unions, with the top everyday rate we track currently around 2.85% (as of June 13, 2026). The big-five banks pay near-zero on standard savings because they don't need to compete for your deposits.

Nearly every Canadian HISA calculates interest daily and pays it monthly. The posted rate is annual, so to find your daily interest the bank divides it by 365 and applies it to that day's closing balance. On a $10,000 balance at 3.00%:

$10,000 × 3.00% ÷ 365 ≈ $0.82 per day → about $25 paid at month-end

Because the interest is paid monthly and can compound, your effective annual return ends up very close to the posted rate. There's no minimum holding period — you earn for every single day the money sits in the account, which is exactly why a HISA suits money that comes and goes.

The single most important thing to understand about savings accounts is the difference between a promotional rate and the everyday rate. A promo is a high teaser rate offered to new clients or on new deposits for a limited window — often four to five months — after which it drops, sometimes to well under 1%. Tangerine and Simplii are the classic examples: an eye-catching promo, then a quiet revert.

A promo isn't a trick to avoid — it's a tool to use deliberately. Park a lump sum, collect the bonus interest, and move it out before the rate expires. The mistake is leaving money parked after the promo ends, earning a fraction of what a top everyday account pays. For money you'll leave in place, rank on the everyday rate — that's the number that compounds month after month. Our best HISA rates table ranks on the everyday rate and flags the promo where one exists.

A HISA is one of several places to hold cash. The right one depends on liquidity, rate certainty, and where the money lives:

A HISA ETF An exchange-traded fund that holds bank deposits and passes through the interest — bought in a brokerage account, and usually not CDIC-insured. (CASH, CSAV, CBIL) can yield a touch more but settles in a day or two, carries a small fee, and most are not CDIC-insured — it suits cash already inside a brokerage account. For most savers a plain HISA is simpler, instant, and directly insured.

A HISA is as safe as any deposit in Canada. At a CDIC Canada Deposit Insurance Corporation — a federal agency that insures eligible bank deposits up to $100,000 per category if a member bank fails. member bank, your savings are insured up to $100,000 per depositor, per insured category, per institution — covering principal and interest if the bank fails. At a credit union, provincial deposit insurance applies instead, which in Manitoba is unlimited and in Ontario is unlimited on registered money.

That means a smaller online brand or a credit union is not a riskier place for your cash — the insurance behind it is identical in strength to a big bank's. If you're holding more than $100,000, you can stay fully insured by spreading deposits across institutions or categories; our CDIC guide shows exactly how to structure that.

Here's the part many savers overlook. HISA interest is interest income, taxed at your full marginal rate The tax rate you pay on your next dollar of income — your highest bracket. — the harshest tax treatment of any investment income — and in a non-registered A regular taxable account with no special tax shelter — interest is taxed every year. account you owe it every year. On a meaningful balance, that tax quietly erodes a chunk of the rate you worked to find.

Best home for savings: a TFSA (interest tax-free), not a taxable account

Several issuers offer a TFSA Tax-Free Savings Account — a registered account where interest and growth are completely tax-free. version of their savings account — same rate, but the interest grows completely tax-free. If you have TFSA room, that's almost always the better place for an emergency fund or cash savings. Weighing a TFSA against an RRSP Registered Retirement Savings Plan — contributions are tax-deductible and growth is tax-deferred until you withdraw in retirement. for the space? See our RRSP vs TFSA guide.

A HISA isn't a wealth-builder — it's a safe, liquid home for the cash you can't risk. That makes it ideal for an emergency fund, money earmarked for a goal in the next year or two, or cash waiting to be invested. In retirement, it's the natural place for the cash slice of a bucket strategy — a year or two of spending kept fully accessible so a market downturn never forces you to sell investments low.

For money you can commit longer, a GIC ladder usually pays more while still freeing up a rung each year. Many savers run both side by side: a HISA for the flexible cash, GICs for the rest. Our GIC vs HISA guide draws the line between them.

This guide is for educational purposes only and is not financial advice. Savings rates, fees, and deposit-insurance limits vary by institution and change frequently; any rate figure shown is an everyday posted rate compiled by hand and last checked June 13, 2026. CDIC coverage applies only to eligible deposits at member institutions, and provincial credit-union coverage differs by province. Confirm current rates and conditions before opening an account. See our best HISA rates and CDIC guide for related reading.