How the CRA views prediction market gains

If you've been watching prediction markets grow rapidly over the past couple of years, you're not alone. How the CRA views prediction market gains is a question more Canadians are asking as trading volume on these platforms surges. Here's the problem: the Canada Revenue Agency (CRA) hasn't issued specific guidance on how to tax your prediction market profits. That leaves a lot of Canadians wondering where they stand. This article breaks down how the CRA is likely to classify prediction market gains, how to report them on your tax return, and what records you should keep to stay on the right side of the law.

Are prediction market gains taxable in Canada

The short answer: yes, the CRA will likely treat prediction market gains as taxable income. 

The CRA hasn't issued specific guidance for prediction markets, so classification depends on the nature of your individual activity. And that distinction matters a lot for your tax bill.

How the CRA classifies prediction market income

The CRA doesn't have a "prediction markets" checkbox on your tax return. Instead, your gains will likely fall into one of three existing categories, each with very different tax consequences:

Here's the critical part: you don't get to pick your classification. The CRA determines it based on the facts of your situation. 

What we do know

Capital gains

You have a capital gain when you sell, or are considered to have sold, a capital property such as stocks or real estate, for more than what it cost to purchase. Having your gains classified as capital gains is the more favourable tax treatment: only 50% of your net capital gain is included in your taxable income.

Business income

This is where the CRA gets serious. If you're trading frequently, day trading, using sophisticated strategies, devoting significant time to research and execution, and treating your gains as a primary or supplementary income source, your gains are likely going to be considered business income. That means your profits are fully taxable at your marginal tax rate — no 50% discount.

What determines if your gains are capital gains or business income

The distinction between capital gains and business income is one of the most consequential decisions in Canadian tax law — and one of the most ambiguous. The CRA uses a set of established factors, and no single one is determinative. It's the overall picture that matters.

Frequency of trading

This is often the most obvious indicator. Regular, high-volume trading and short holding periods - hours or days - points strongly toward business income.

The CRA doesn't publish a specific threshold — there's no magic number of trades that tips you over. But frequency and volume are among the first things they'll examine.

Your intention and expertise

Why are you doing this? If you've developed specialized knowledge, built a systematic strategy, and your clear intent is to generate profits, the CRA is more likely to classify your gains as business income. 

Your background matters too. If you work in finance, data science, or a field that gives you an analytical edge, the CRA may view your participation as more business-like — though this alone wouldn't be determinative.

What determines if your activity is hobbyist or business-like

Beyond the capital gains versus business income distinction, there's an even more fundamental question: is your trading activity a hobby or a business? The CRA uses the "reasonable expectation of profit" test and looks for business-like characteristics.

Signs your activity may be hobbyist:

• Infrequent participation (a few trades per year)

• No systematic strategy or research process

• Small amounts at stake relative to your income

• Participation driven by curiosity or entertainment

• No reliance on prediction market income for living expenses

Signs your activity may be business-like:

• Frequent, regular trading across multiple markets

• Systematic research and strategy development

• Significant time devoted to analysing and placing trades

• Specialised knowledge applied consistently

• Treating gains as a meaningful income source

One thing to keep in mind: the CRA can reassess prior tax years if it discovers you've misclassified your activity. Getting it right from the start saves a lot of headaches.

How to report capital gains on your tax return

Once you've determined how the CRA would likely classify your trading activity, the actual reporting is fairly straightforward. The key rule: report all gains regardless of whether you received a tax slip. You should also consult a tax professional to make sure you get it right - you don’t want to incur fines for underreporting

Reporting capital gains on Schedule 3

If your gains are capital gains, you'll report them on Schedule 3 of your T1 tax return. The calculation is:

Taxable capital gain = (proceeds of disposition - adjusted cost base - selling costs) x inclusion rate

Your adjusted cost base (ACB) is what you paid for the contract. If you purchased the investment using cryptocurrency, the ACB is the Canadian dollar fair market value of the crypto at the time of purchase. The resulting gain flows to line 12700 of your T1.

Reporting business income on T2125

If your gains are business income, you'll report them on Form T2125, Statement of Business or Professional Activities. The net income flows to line 13500 of your T1.

The upside of business income classification: you may deduct legitimate expenses related to your trading activity. That could include platform subscription fees, data feeds, a portion of your internet costs, and crypto tax software. The downside: your profits are fully taxable at your marginal rate, with no inclusion rate discount.

Foreign income reporting requirements

The CRA provides guidance on how foreign-source income is treated for Canadian tax purposes. Generally, residents of Canada are required to report foreign-source income on their T1 return, though obligations can vary by residency status. Amounts are typically converted to Canadian dollars using a Bank of Canada exchange rate—often the rate on the day the income arose for a single transaction, or an average annual rate for recurring income like a pension. Rules can be complex, so for a specific situation it's worth consulting a qualified tax professional or the CRA directly.

When you need to file a T1135

The Foreign Income Verification Statement (T1135) is required when your specified foreign property exceeds $100,000 in total cost. The CRA's definition of ‘specified foreign property’ is broad and includes funds held in accounts outside Canada.

How crypto can affect your taxes

If your trading activity is conducted using cryptocurrency it can add a whole layer of tax complexity because the CRA treats cryptocurrency as a commodity, not as currency. Every crypto transaction is potentially a taxable event in its own right, separate from the investment income. You should definitely consult a tax professional to ensure you report correctly.

Crypto as a taxable disposition

Here's where it gets messy. Each of the following steps may trigger a separate taxable event:

• Converting Canadian dollars to cryptocurrency

• Using crypto to purchase prediction market contracts

• Receiving crypto payouts when a contract resolves in your favour

• Converting crypto back to Canadian dollars

For each disposition, the gain or loss equals the fair market value of what you received minus the ACB of the crypto you disposed of. And yes, even stablecoins like USDC can generate gains or losses because of fluctuations in the CAD/USD exchange rate. A USDC token is always worth roughly US$1, but US$1 isn't always worth the same number of Canadian dollars.

Tracking your adjusted cost base (ACB)

Your ACB for cryptocurrency is the total cost of acquisition in Canadian dollars, divided by the number of units held, and updated with every new acquisition. This is the weighted average method the CRA requires.

If you're making frequent transactions, tracking your ACB manually is a recipe for errors. You may want to consider using specialized crypto tax software to stay on track.

Can you deduct investment losses

Yes — but the rules depend on your classification, and they must be consistent with how you report your gains.

• Capital losses: can offset capital gains in the same tax year. Unused capital losses can be carried back 3 years or carried forward indefinitely.

• Business losses: can offset other types of income (employment, investment) in the same year. Unused business losses can be carried back 3 years or forward up to 20 years under the non-capital loss rules.

What records you should keep for the CRA

The CRA can reassess your tax return up to 3 years after the initial notice of assessment — and longer if there's misrepresentation or fraud involved. Comprehensive records are your strongest defence.

Keep the following for a minimum of 6 years after the tax year in question:

• Transaction history for all deposits, withdrawals, contract purchases, and payouts, including dates and amounts

• Platform account statements

• Crypto wallet records, including all transfers between wallets and platforms

• The Canadian dollar fair market value at the time of each transaction, documented using Bank of Canada exchange rates

• Exchange rate documentation for any currency conversions

• Notes on your trading approach and strategy (this supports your classification if the CRA questions it)

• Platform terms and conditions in effect during your trading activity

If this feels like a lot, it is. But organized records turn a potential CRA reassessment from a nightmare into a manageable process.

What happens if you don't report investment gains

Let's be direct: not reporting taxable income is not a strategy. The CRA is increasingly sophisticated in its ability to track cryptocurrency transactions, and Canada has information-sharing agreements with tax authorities in other jurisdictions.

If the CRA determines you failed to report investment gains, the consequences escalate:

• Interest: compounds daily on any unpaid taxes from the original due date

• Late-filing penalties: 5% of the balance owing plus 1% per month, up to a maximum of 12 months

• Gross negligence penalties: up to 50% of the additional tax owing on the unreported amount

• Reassessment of prior years: the CRA can go back and reassess multiple years at once

There is one option if you realise you've made mistakes in past filings: the Voluntary Disclosures Program (VDP). If you come forward and correct your returns before the CRA contacts you, you may qualify for relief from penalties and partial interest relief. It doesn't erase the underlying tax liability, but it's significantly better than waiting for the CRA to find the issue first.