For the safety-first saver, the real differences between GICs, bonds, T-bills and high-interest savings accounts are guarantee, liquidity, price risk and insurance, not their headline rates. The clean way to keep them straight: GICs and HISAs are deposits (insured, but not sellable), while T-bills and bonds are securities (sellable, but not insured). Nearly everything else in the comparison follows from that split.
What each one actually is
- GIC: a fixed-term deposit at a bank or credit union. You hand over a lump sum, the rate is locked, and principal plus interest come back on a set date. The full mechanics live in our plain-language GIC guide.
- HISA: a savings deposit with no term. Money moves in and out freely, and the rate is variable, generally following the Bank of Canada’s policy rate up and down.
- T-bill: short-term debt of the Government of Canada, sold at a discount to its face value on terms under a year. The return is the gap between what you pay and the face value repaid at maturity.
- Bond: a longer-term loan to a government or corporation. It pays interest along the way (the coupon) and trades on a market, so it has a price that changes daily until maturity.
Price risk, or the cost of changing your mind
Bond prices move opposite to interest rates: when rates rise, existing bonds with older, lower coupons are worth less, and selling one at that moment locks in a loss. Held to maturity, a bond repays its face value (assuming the borrower stays sound), so the price risk only bites if you sell.
A GIC cannot fall in price for the simple reason that it has no price. It also has no market: a non-redeemable GIC cannot be exited before maturity at all, and a redeemable one buys its exit right by accepting a lower rate. Those two facts are a package deal. The saver who can never lose a cent to the market is the same saver who cannot raise cash from the GIC on a bad week. Whether that trade is worth making is the subject of our look at whether GICs are worth it.
T-bills sit in between. They are securities, so their price technically moves, but with only weeks or months left to maturity the moves are small, and the market for them is deep. A HISA has no price risk at all; its risk lives entirely in the future rate, which the institution can cut on any given morning without asking you first.
The insurance line most comparisons blur
Deposit insurance covers deposits. GIC and HISA balances at member institutions are eligible; who insures what, and to what limits, is laid out in our deposit insurance guide, and for balances past the basic limit our guide to insuring more than $100,000 covers the category arithmetic. Bonds and T-bills are not deposits and carry no deposit insurance at all.
For federal debt, that is less alarming than it sounds: a Government of Canada T-bill is backed by the borrower itself, with no coverage cap, because the guarantee is the government’s own promise to repay. Corporate bonds have no such backstop; their safety is the issuer’s balance sheet. One line covers the brokerage side: CIPF protects the client property held at a member investment dealer if the firm becomes insolvent, and does not cover a fall in the value of the investments themselves. It is insurance against the failure of the dealer holding your account, nothing more.
All four in one table
| GIC | HISA | T-bill | Bond | |
|---|---|---|---|---|
| What it is | Fixed-term deposit | Savings deposit, no term | Short-term federal government debt | Tradeable loan to a government or company |
| Rate behaviour | Locked for the term | Variable (changes at the institution’s discretion) | Set by your purchase price | Coupon fixed; market price moves |
| Can the value fall? | No | No | Slightly (if sold before maturity) | Yes (if sold after rates rise) |
| Getting out early | Usually no (redeemable versions pay less) | Anytime | Sell any business day | Sell any business day (at that day’s price) |
| Where you get it | Bank or credit union | Bank or credit union | Brokerage account | Brokerage account |
| Deposit insurance | Yes (eligible deposits) | Yes (eligible deposits) | No (federal repayment promise instead) | No |
Where each tends to fit follows mechanically. Money needed on a specific date matches a GIC of the same term: the rate is locked and there is no price to watch. Money that might be needed any Tuesday fits the HISA shape, with full access and a floating rate. A short horizon with a possible early exit suits T-bills, which pair a federal repayment promise at maturity with the ability to sell any business day, at the cost of needing a brokerage account. And for money parked over years with the option to leave, bonds lock a rate for long terms while staying sellable, accepting that the exit price is whatever the market says it is that day.
The half we track
Ratehunter’s boards cover the deposit side of this table. The GIC boards and the HISA board show what institutions are paying by term and account type, and rate alerts will flag movement so you don’t have to keep checking. Bond and T-bill pricing lives at your brokerage — we would rather say so plainly than pretend to cover it.
Frequently asked questions
Are T-bills safer than GICs?
They are safe in different ways. A GIC’s principal is guaranteed by the issuing institution and, for eligible deposits, backed by deposit insurance; a T-bill is backed by the Government of Canada’s own promise to repay, with no coverage cap but no insurance either. Held to maturity, both return exactly what they promised.
Can I actually lose money in a bond?
Yes, in one specific way: by selling after prices have fallen, usually because interest rates rose. A bond held to maturity pays its face value unless the borrower defaults, which for Government of Canada debt is not a realistic planning concern; for corporate bonds it depends on the issuer.
Do I need a brokerage account to buy T-bills or bonds?
Generally yes. T-bills and bonds are securities, bought and sold through an investment dealer rather than opened at a branch. GICs and HISAs, by contrast, are opened directly with a bank or credit union.
What happens to my GIC if the bank fails?
Eligible GIC deposits at member institutions are covered by deposit insurance, subject to limits and coverage categories. The insurers, limits and categories are set out in our deposit insurance guide.