A general overview of our pricing can be found here.
If you want to see what trading conditions are applied to a specific instrument, from your account find the instrument and from the Product Overview click on the "i".
In the Trading Conditions, you can navigate to the header Costs to get a complete breakdown of the fee/charges you will be paying for a specified period.
Do you want to check the costs of trade already executed?
If you want to look at the costs applied to open trade, please read How to view position details?
For closed trades, use the "Trades executed" report. Trades are visible there the day after they have been closed:
SaxoTraderGO: click Account > Historic reports > Trades
SaxoTraderPRO: click Add Module > Trades Executed report under Account section.