Crypto capital gains on Canada's Schedule 3

Schedule 3 is the part of the Canadian T1 personal tax return where capital gains and losses are reported — including gains from disposing of crypto. This guide explains how crypto disposals reach Schedule 3, how the adjusted cost base works, when crypto is instead business income, and how to prepare the figures. Confirm current-year rates and rules with the CRA or an adviser.

General information for Canadian taxpayers, not tax advice. Canadian crypto tax rules — the capital/business distinction, the inclusion rate, ACB averaging and superficial-loss rules — are set by the CRA and change; verify current-year specifics against CRA guidance or a qualified adviser before filing.

What Schedule 3 is

Schedule 3 is the capital gains and losses schedule of the Canadian T1 return. When you dispose of crypto in a way that is treated as being on capital account, the resulting gain or loss is reported here, and the taxable portion flows into your income. The CRA generally treats crypto as a commodity, so disposing of it — selling, trading one coin for another, or using it to buy something — can be a taxable event. This schedule is where those disposals are summarised for the year.

Capital gains vs business income

A crucial Canadian distinction is whether your crypto activity is on capital account or is business income. Capital treatment means only a portion of the gain is taxable and it is reported on Schedule 3. Business treatment — which can apply to activity that is frequent, commercial and trade-like, such as active trading or mining as a business — means the full profit is generally taxable as business income and reported differently. Which side you fall on depends on the facts, and it materially changes the tax, so it is a question to get right for your own situation rather than assume.

The taxable portion of a capital gain

For capital gains, only an inclusion portion of the gain is added to your taxable income — Canada has long taxed a fraction of a capital gain rather than the whole. The exact inclusion rate is set by current tax law and has been the subject of change — it is currently one-half (50%), after a proposed increase to two-thirds was cancelled in 2025 — so treat the specific fraction as something to confirm for your tax year rather than a fixed number. The principle to hold onto is that a capital gain is not taxed in full, which is one reason the capital-versus-business distinction matters so much.

Adjusted cost base and identical properties

Canada calculates your cost using the adjusted cost base (ACB), and for units of the same crypto it applies an averaging approach across your identical holdings rather than tracking each purchase separately. When you dispose of some of a coin, the cost deducted is based on the average cost of your pool of that coin. There is also a superficial loss rule that can deny a loss if you reacquire the same asset within a short window around the disposal. These mechanics make the calculation distinctive, and getting the ACB right across many transactions is where crypto reporting gets hard by hand.

Which crypto events are dispositions

• selling crypto for Canadian dollars or another fiat currency;
• trading one crypto for another — a taxable disposition of the first;
• spending crypto to buy goods or services;
• gifting crypto, which is generally treated as a disposition at fair market value.

Moving your own crypto between wallets you control is not a disposition. Distinguishing genuine disposals from your own transfers is essential — counting a self-transfer as a sale invents a gain that was never real.

Income received in crypto

Not everything is a capital gain. Crypto received as payment, or from certain activities, can be income, taxed at its value when received — and that value then becomes the cost of those coins for a later disposal on Schedule 3. As elsewhere, keeping the income side and the capital side straight is essential: the receipt is income now, and it sets the cost base used when you eventually dispose of the coins.

Records the CRA expects

• the date and type of each transaction, and its purpose;
• the value in Canadian dollars at the time of each acquisition and disposal;
• the running adjusted cost base for each crypto you hold;
• wallet addresses, exchange records and receipts that evidence the activity;
• records of any crypto received as income, valued on the day received.

The CRA expects you to keep thorough records, and the volume of crypto activity makes them hard to reconstruct later. Capturing everything as you go — especially the ACB pool for each coin — is far easier than rebuilding it under deadline pressure.

How to prepare your figures

1. gather your complete history across every wallet and exchange;
2. match transfers between your own accounts so they are not treated as dispositions;
3. maintain the adjusted cost base pool for each coin and apply the averaging rule;
4. identify any income-type receipts and value them at the date received;
5. summarise the year's dispositions and their gains or losses for Schedule 3, keeping the working behind them.

Maintaining the ACB across a busy year by hand is slow and error-prone, which is exactly why dedicated software exists to keep the pool accurate transaction by transaction.

Getting the cost base right matters most

Of everything on a Canadian crypto return, the adjusted cost base is where errors do the most damage, because it drives the gain on every disposal. A missing purchase, an unmatched transfer, or a mis-averaged pool shifts the taxable gain — and the mistake compounds across the year. Getting the ACB right, reconciled and traceable, is the single highest-leverage thing you can do for an accurate Schedule 3 filing, and it is the work that protects you most if a return is ever reviewed.

Handling crypto losses

Capital losses are part of the picture too. A capital loss on a crypto disposal can generally be applied against capital gains under the Canadian rules, with provisions for carrying unused losses to other years — but the superficial loss rule can deny a loss where you reacquire the same asset within a short window around the disposal. Because these rules are specific and easy to trip over, a loss-making year is worth recording carefully so the relief is available and correctly claimed. Confirm the current loss rules and carry-over provisions for your situation.

If you have years of unreported activity

If you have years of crypto activity you never reported to the CRA, it is generally not too late to correct it. On-chain and exchange history is permanent, so prior years can be rebuilt even without contemporaneous records, and there are routes for bringing past filings up to date. Reconstructing each year's adjusted cost base and gains from the source data — rather than estimating — is what lets you correct earlier years accurately and keep every period consistent. Where several years are involved, advice on how to make a voluntary correction is often worthwhile.

When professional advice pays off

Canadian crypto tax has real judgement calls — above all the capital-versus-business question, which changes both how much of a gain is taxed and which return it goes on. That distinction depends on the scale and character of your activity, and it is exactly where a qualified adviser adds value. Reconciled, complete records with an accurate adjusted cost base make that advice more effective, because the adviser can focus on the judgement rather than reconstructing your data. Arriving with a clear picture is the cheapest way to a confident answer.

Prepare ahead of the deadline

In Canada, timing works back from the T1 deadline — for most individuals 30 April (later if you or your spouse are self-employed), with any balance owing still due 30 April. Prepare your Schedule 3 figures well before then: producing a draft early gives you time to spot a missing wallet, an unmatched self-transfer or an unpriced receipt and fix it calmly. The CRA can charge penalties and arrears interest on a late or understated return, and those rules can change, so confirm the current dates for your year. Leaving an adjusted-cost-base calculation across several exchanges to the final week is how avoidable errors slip through.

The cost of getting it wrong

Accuracy on a Canadian crypto return protects you in both directions. Under-report a gain or a crypto income receipt and you risk penalties and interest once the CRA notices — increasingly likely as it obtains data from exchanges and through international information-sharing. Over-report — by treating a transfer between your own wallets as a disposition, using proceeds instead of the adjusted cost base, or misapplying the one-half inclusion rate — and you pay tax you never owed. Both errors trace to the same root: an ACB pool that was not properly maintained before the figures were reported. Getting the ACB right, with a trail behind each disposition, is what removes both risks at once.

Why this is hard to do by hand

A Canadian crypto calculation is deceptively demanding by hand. The adjusted cost base has to be averaged across every unit of a coin and updated with each purchase and disposal, the superficial loss rule has to be watched around reacquisitions, and transfers between your own accounts have to be reconciled so they are not mistaken for sales. Across hundreds of transactions and several platforms, maintaining an accurate ACB pool in a spreadsheet is slow and error-prone. This is exactly the kind of rule-bound, repetitive calculation software handles reliably, which is why dedicated tools exist to keep the pool accurate transaction by transaction and produce the working behind each gain.

How your situation changes the answer

Canadian crypto tax turns on specifics — the capital-versus-business question, the current inclusion rate, the ACB averaging and superficial-loss rules, and how income receipts are treated — all set by current CRA rules that change over time. The structure here is stable, but the rates and finer points are not, so confirm anything affecting your liability against current CRA guidance or a qualified adviser. Treat this as a map of how crypto reaches this schedule, not as advice on your own figures.

How CryptaTax prepares your Canadian figures

CryptaTax connects every wallet and exchange, matches transfers between your own accounts, maintains the adjusted cost base for each coin, and produces reconciled gain and income figures with the working behind them — the numbers you need to complete this schedule. Generate your report → · Canada crypto tax guide → · All reports →

Other crypto tax forms and reports

See the Canadian crypto tax guide → for how Schedule 3 fits the wider T1 return, Form 8949 for the US equivalent, the gain/loss report, or all crypto tax reports →.