Updated Checked by the Tax-Services.ca editorial team How we check
Canada has no separate short term capital gains tax. A stock sold after two weeks is taxed like one sold after ten years: you work out the gain, include the taxable half in income and pay tax at your normal rates. The CRA has said it administers the one-half inclusion rate, and the planned rise to two thirds was cancelled.
Is there a short term capital gains tax in Canada?
No, and that surprises people who’ve read American advice. There’s no one-year rule, no special rate for quick trades. You work out the gain, include the taxable part in income, and pay tax at your normal rates.
The gain is proceeds of the sale minus the adjusted cost base (what you paid, adjusted) minus your selling costs. You report it on Schedule 3 and the taxable amount lands on line 12700 of your return, which the CRA’s line 12700 page ties to selling or disposing of property in the year. A loss can offset gains. The CRA said in a January 2025 update that it had reverted to administering the currently enacted inclusion rate of one-half, and the Prime Minister cancelled the proposed increase to two thirds on 21 March 2025. A Finance Canada release of 15 September 2026 also lists cancelling the increase. The line 12700 page itself does not print the rate, so we use 50% and keep checking.
What does a small quick trade look like on paper?
Say Jordan in Halifax buys 100 shares at $50 each in March and sells them in April at $62. The cost base is $5,000 and the proceeds are $6,200. With $20 in commissions across both trades, the gain is $6,200 minus $5,000 minus $20, or $1,180. Half of it, $590, is the taxable amount that goes on the return.
Jordan’s actual tax on that $590 depends on everything else in the year, which is why a quick flip doesn’t come with a flat rate. It’s a ballpark job until you’ve added it to the rest of your income.
How much tax does a quick gain cost?
Take a $10,000 gain in Ontario with a $60,000 salary. Half, $5,000, is added to income and our engine puts the extra tax at about $1,483, or 14.8 cents on the dollar. The same $10,000 as ordinary extra income would cost $2,965. That’s the real benefit of the capital gain treatment, and it applies after a week or after a decade.
| Salary (Ontario) | Extra tax on a $10,000 gain | Share of the gain |
|---|---|---|
| $30,000 | $953 | 9.5% |
| $60,000 | $1,483 | 14.8% |
| $100,000 | $1,574 | 15.7% |
| $200,000 | $2,563 | 25.6% |
Figures come from the capital gains tax calculator engine on 2026 data at a 50% inclusion rate. Change the province or salary there to see your own number, then compare a bigger picture with the income tax calculator.
When does the CRA call a quick trade business income?
This is the real risk with short holds. If you buy with the intention to resell at a profit, the gain can be business income, taxed in full with no 50% discount. The CRA’s interpretation bulletin IT-479R (now archived) says your intention when you acquired the property is a major factor. It also lists cases that are clearly income, such as a person trading on information that isn’t public.
Do frequent trades make you a trader? We couldn’t find a fixed number of trades or a holding period on the CRA pages we read, so nobody can give you a safe count. If you trade constantly and it looks like a business, the question needs a proper look at your facts before you file. A tax accountant is the right person here, not a forum.
Can you cut the tax on short term gains?
Losses help first. Capital losses from the same year offset capital gains, and the CRA’s pages describe carrying losses to other years. Next comes where you hold the investment. Gains inside a TFSA aren’t taxed, and the TFSA calculator shows how room and growth work. Inside an RRSP tax is deferred until you withdraw, which the RRSP withdrawal tax calculator estimates.
A capital gains reserve lets you spread the gain over years when you’re paid over time, and there’s a capital gains deduction on line 25400 for certain property. The lifetime capital gains exemption limit was $1,250,000 for dispositions on or after 25 June 2024. A Finance Canada release of 15 September 2026 lists increasing it to $1.275 million for eligible entrepreneurs, but it gives no effective date, so treat that as announced and confirm the figure for your year before relying on it. It isn’t aimed at ordinary share trading anyway.
What mistakes cost traders money?
Using the wrong cost base is the classic. If you bought the same shares in several lots, your average cost changes with each purchase. Forgetting foreign currency conversion on US stocks is another. Then there’s losing track of fees, which reduce the gain and are easy to skip. A few bucks of commission per trade looks small until you’ve made fifty trades.
And don’t assume a loss is always usable. We left out the superficial loss rule here because we haven’t confirmed its details, so read the CRA’s page before you sell at a loss and buy the same stock back.
The easiest fix is a simple spreadsheet. Log the date, number of shares, price and fees for every trade as it happens. At tax time you’ll thank yourself, and your broker’s year-end summary becomes a double check instead of your only record.
The sources behind this page
Checked in November 2026. The treatment of gains, Schedule 3 and line 12700 come from the CRA’s line 12700 page. The one-half inclusion rate comes from the CRA’s January 2025 update linked above and the Prime Minister’s release of 21 March 2025. The $1.275 million exemption is from the Finance Canada release of 15 September 2026. The business income test comes from CRA bulletin IT-479R, which is archived. Examples are estimates from our calculators for Ontario, and the Jordan example is our own arithmetic. Related reading: the capital gains tax calculator, Canadian tax numbers: 2026 vs 2027 and our guide to how Canadian income tax works. This is information only, not tax advice.
Frequently asked questions
Does Canada tax short term gains at a higher rate?
No. The CRA's capital gains pages draw no line between short and long holding periods, and there is no one-year rule or special rate for quick trades. You work out the gain, add the taxable part to income and pay tax at your normal rates. If trading looks like a business, the gain can be business income instead.
How much of a capital gain is taxable in 2026?
One half, at the one-half inclusion rate the CRA says it administers. The CRA reverted to it in a January 2025 update, and the planned increase to two thirds was cancelled in March 2025. The line 12700 page does not print the rate, so check the CRA before you file.
How much tax on a $10,000 gain in Ontario with a $60,000 salary?
About $1,483 in our engine on 2026 data at a 50% inclusion rate, or 14.8 cents on the dollar, compared with $2,965 if the same $10,000 were ordinary income. At a $30,000 salary it is about $953, and at $200,000 it is about $2,563. Your own result depends on your whole year.
Can frequent trading be taxed as business income?
Yes. If you buy with the intention of reselling at a profit, the gain can be business income, taxed in full with no one-half inclusion. The CRA's archived bulletin IT-479R treats your intention at purchase as a major factor. We found no fixed number of trades or holding period, so get advice on your facts.
What is the lifetime capital gains exemption for 2026?
The limit was $1,250,000 for dispositions on or after 25 June 2024. A Finance Canada release of 15 September 2026 lists raising it to $1.275 million for eligible entrepreneurs, with no effective date given. It is aimed at qualifying business and farm shares, not ordinary share trading, so check the current rules.
- RRSP, TFSA, FHSA and retirement income in Canada
How the RRSP, TFSA and FHSA differ, the 2026 limits, what happens when you withdraw, and where CPP and OAS fit into your retirement income