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skkk80(Newbie)Newbie
21 Sept 2025

Hi there,

I completed nearly 7,000 transactions during the 2024–2025 financial year. My initial investment was approximately $3,500 AUD, which I transferred from my bank account into a crypto exchange before starting trading. I later sold the assets for $5,600 and transferred back to my bank account.


However, when calculating using the FIFO method, the results are highly inconsistent. It shows a $70k gain versus a $56k loss, leaving me with an artificial $14k capital gain, which is clearly incorrect. Given that the ATO continues to classify crypto transactions as CGT events, what other calculation methods can I use to more accurately reflect my true input and output? The reported $14k figure is clearly incorrect (as I don't have this amount in crypto assets). Should I simply calculate it as the total invested ($3,500) versus the total sold ($5,600), which would leave me with the correct net profit of $2,100?


Cheers,

Sam


188 views
2 replies
188 views
2 replies

All replies

YellowPotato(Taxicorn)Taxicorn
22 Sept 2025

Don't know. Would be best to go to a tax agent to check the CGT calculation.


I don't think the simple numbers would be a good idea, as the questions for CGT ask for "Total current year capital gains", this is the capital gains before applying capital losses. And then asks for the "Net capital gain", after applying capital losses and discount

DamienATO(Community Support)Community Support
23 Sept 2025

Hi @skkk80,

 

You would need to calculate each transaction separately, not the amounts you simply put into and took out of your crypto exchange. We have a CGT calculator or you can do the maths yourself.

 

To work out CGT:

  1. for each transaction, calculate sell price minus buy price (cost base), equalling your capital gain or loss (for that transaction)
  2. then add all the capital gains together to get your total capital gain (you need to report this number)
  3. then add all your capital loses together and subtract the number from your total capital gain, equalling your net capital gain/loss (you need to report this number).

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Clarification on Crypto CGT Calculation Methods for 2024–2025 | ATO Community