I use a single line in a spreadsheet to show the buy/sell and...

I use a single line in a spreadsheet to show the buy/sell and associated costs and profit/loss calculations. As many rows as it needs for the number of trades in the year.

Would suggest that if you intend to be both trader and investor with a single broker account then you work closely with your tax agent as ...... as .....as I have no experience with this approach as I feel it is 'dangerous'.

If you just want to put in your tax return as an investor (not trader) you can still carry forward your capital gains losses and offset them in future years..........look at tax threads for info and ATO web site.

Hope that helps.