3.3 Government of Canada Securities: T-Bills, Marketable Bonds & RRBs

Government of Canada Treasury Bills (T-Bills)

Government of Canada Treasury bills (T-bills) are short-term debt obligations issued by the federal government through the Bank of Canada to fund ongoing operational requirements and manage cash flows. Because they are backed by the full taxing power and sovereign credit of the federal government, T-bills are considered the safest, lowest-risk fixed-income instruments in Canada.

Key Structural Characteristics

• Zero-Coupon / Sold at a Discount: T-bills do not pay periodic coupon interest. Instead, they are issued at a discount to their face value and mature at par ($100.00 base unit or in denominations from $1,000 to $1,000,000).
• Standard Terms: Regular federal T-bill auctions offer maturities of 3 months (approx. 91 days), 6 months (approx. 182 days), and 1 year (approx. 364 days).
• Liquidity: T-bills boast the most active and liquid secondary money market in Canada.

The Bank of Canada Auction Process

T-bills are distributed through regular competitive auctions, generally held every two weeks, which the Bank of Canada runs as fiscal agent for the Minister of Finance. The government also issues short cash management bills when needed; a temporary one-month bill was discontinued after its last auction on July 29, 2025.

• Primary Distributors: Auctions are open exclusively to Government Securities Distributors (GSDs), with a top tier designated as Primary Distributors (PDs) (consisting of the major Canadian Schedule I chartered banks and major investment dealers). Primary distributors must actively participate in auctions and maintain liquid secondary trading.
• Competitive Bids: Large institutional bidders state the exact dollar amount of T-bills they wish to buy and the specific yield (or price) they are willing to accept.
• Non-Competitive Bids: Retail and smaller institutional participants submit bids specifying quantity only, agreeing to accept the average winning yield determined by the competitive auction. Non-competitive bids are filled first in full.

T-Bill Discount Yield Formula

In the Canadian money market, T-bill yields are quoted on an annualized discount yield basis using an actual/365-day year convention (unlike the U.S. money market, which uses a 360-day year):

$\text{Yield} = \frac{100 - P}{P} \times \frac{365}{t} \times 100$

Where:

• $P$ = Purchase price per $100 face value
• $t$ = Number of days to maturity
• $100$ = Redemption price at maturity

Worked Example: T-Bill Yield Calculation

An investor purchases a 182-day Government of Canada T-bill at a price of 97.60 per $100 face value. What is the annualized yield?

$\text{Yield} = \frac{100 - 97.60}{97.60} \times \frac{365}{182} \times 100$ $\text{Yield} = \frac{2.40}{97.60} \times 2.005495 \times 100$ $\text{Yield} = 0.024590 \times 2.005495 \times 100 \approx 4.93\%$

The annualized investment yield for this 182-day T-bill is 4.93%.

Tax Treatment of T-Bills

Under the Canadian Income Tax Act, the difference between the purchase price and the redemption price received at maturity is legally classified as interest income, NOT as a capital gain. The return is 100% taxable at the investor's marginal tax rate. If an investor sells a T-bill prior to maturity in the secondary market, any price gain or loss reflecting prevailing interest rate shifts is allocated between accrued interest and capital gain/loss under CRA rules.

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Government of Canada Marketable Bonds

Government of Canada marketable bonds are long-term, non-callable debt securities that pay a fixed coupon semi-annually and return the principal upon maturity. They are direct, unconditional obligations of the sovereign state.

Benchmark Bonds and the Yield Curve

The federal government designates specific liquid issues as benchmark bonds across key maturities:

• 2-year benchmark
• 5-year benchmark
• 10-year benchmark
• 30-year (long-term) benchmark

These benchmark bonds form the Canadian risk-free yield curve. Because sovereign debt carries zero default risk in domestic currency, every provincial, municipal, and corporate bond in Canada is priced and quoted relative to these benchmarks as a credit spread measured in basis points (e.g., "Province of Ontario 10-year bonds trading at +65 bps over the 10-year GoC benchmark").

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Real Return Bonds (RRBs)

Real Return Bonds (RRBs) are innovative debt securities issued by the federal government designed specifically to eliminate inflation purchasing power risk.

Mechanics of Real Return Bonds (RRBs)
 ├── 1. Base Principal (e.g., \$1,000) indexed semi-annually to CPI
 ├── 2. Real Coupon Rate (fixed) paid on Adjusted Principal
 └── 3. Final Maturity Repayment: Inflation-adjusted principal (falls if CPI falls)

How Real Return Bonds Work

1. Fixed Real Coupon: The bond is issued with a fixed "real" coupon rate (e.g., 2.50%).
2. Principal Indexation: Every six months, the bond's nominal principal value is adjusted upward (or downward) based on the Canadian All-Items Consumer Price Index (CPI).
3. Semi-Annual Cash Coupon: The semi-annual interest payment is calculated by multiplying the inflation-adjusted principal by one-half of the real coupon rate: $\text{Coupon Payment} = \frac{\text{Adjusted Principal} \times \text{Real Coupon Rate}}{2}$
4. Maturity Repayment: At maturity, the investor receives the inflation-adjusted principal. Canadian RRBs have no deflation floor: if the CPI falls, the adjusted principal and the coupons fall too, and in prolonged deflation the principal could end below its original value.

Worked Example: RRB Cash Flow Calculations

A client purchases $100,000 face value of a 2.50% Government of Canada Real Return Bond at issuance. Over the next year, the CPI increases by 6.00%:

1. Adjusted Principal Calculation: $\text{Adjusted Principal} = \$100,000 \times (1 + 0.06) = \$106,000$
2. Semi-Annual Coupon Calculation: $\text{Coupon Payment} = \frac{\$106,000 \times 2.50\%}{2} = \$106,000 \times 0.0125 = \$1,325.00$ The client receives a semi-annual interest payment of $1,325.00, which is higher than the base coupon ($1,250.00) because of the inflation compensation.

Taxation of RRBs: The Phantom Income Problem

While RRBs provide robust inflation protection, their taxation in a non-registered account can create liquidity complications:

• Tax on Real Coupon: The semi-annual cash interest received is fully taxable as interest income.
• Tax on Accrued Principal Adjustment: The Canada Revenue Agency (CRA) taxes the inflation adjustment applied to the principal in the year it accrues, even though the investor receives no cash until the bond matures!
• This creates "phantom income"—the investor owes cash taxes on an accrued, non-cash gain. For this reason, RRBs are best held inside tax-sheltered accounts (RRSPs, TFSAs, RRIFs) where accrued inflation is protected from immediate taxation.