Milesg, I think you are correct in that only the main figures are sent to the ATO. To arrive at the figures there are questions under the CGT section and the only way that you could shorten the work is by working out the total cost and sale for all trades in one particular company and enter that and repeat for all other companies in a similar fashion. I'm still of the opinion that each and every event needs to be documented. The following link explains the treatment and process of CGT