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Dperson(Initiate)Initiate
12 Apr 2026

If I were to use US dollars to buy Canadian dollars with the intention of purchasing a Canadian stock would the capital gains tax event occur when I convert from USD to CAD or only after the stock has been bought and sold? Keeping in mind I’m an Australia tax resident.

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2 replies
75 views
2 replies

Most helpful response

Most helpful reply

NikkiATO(Community Moderator)Community Moderator
13 Apr 2026

Hi @Dperson,


Because you’re an Australian tax resident, a taxing event can occur before you buy or sell the shares.


When you convert US dollars to Canadian dollars, you’re disposing of one foreign currency and acquiring another. That conversion can give rise to a foreign exchange gain or loss, which is generally taxed under the foreign currency (forex) rules rather than the ordinary CGT rules. So yes, a taxing event can arise at the point you convert USD to CAD, even though no shares have been bought yet.


Buying the Canadian shares using the CAD doesn’t trigger tax. Instead, the AUD value of the CAD at the time you buy the shares becomes the cost base of the shares. A separate CGT event happens later when you sell the Canadian shares, and any capital gain or loss on the shares is worked out by comparing the AUD value at purchase and sale.


You can read more about foreign exchange gains and losses and common transactions on our website.

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Colin_Oscopy(Champion)Champion
12 Apr 2026

You should start by referring to CGT events A1 and C2.

Also consider whether division 775 might apply instead of any CGT.

You should consider having a meaningful discussion with an accountant who is fully experienced with foreign investments and CGT matters.

Most helpful reply

NikkiATO(Community Moderator)Community Moderator
13 Apr 2026

Hi @Dperson,


Because you’re an Australian tax resident, a taxing event can occur before you buy or sell the shares.


When you convert US dollars to Canadian dollars, you’re disposing of one foreign currency and acquiring another. That conversion can give rise to a foreign exchange gain or loss, which is generally taxed under the foreign currency (forex) rules rather than the ordinary CGT rules. So yes, a taxing event can arise at the point you convert USD to CAD, even though no shares have been bought yet.


Buying the Canadian shares using the CAD doesn’t trigger tax. Instead, the AUD value of the CAD at the time you buy the shares becomes the cost base of the shares. A separate CGT event happens later when you sell the Canadian shares, and any capital gain or loss on the shares is worked out by comparing the AUD value at purchase and sale.


You can read more about foreign exchange gains and losses and common transactions on our website.

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Is using a foreign currency to buy another foreign currency a capital gains tax event? | ATO Community