You can check the average buying price of your client's shares in the Unrealized P&L Report. This report is available on AAA by navigating to Reports > Individual Clients > Trading > Unrealized P&L.
The average traded price is what buyers have paid for one share/contract on average, during a trading session. The average traded price is also referred as the volume-weighted average price.
The last traded price (LTP) usually differs from the closing price of the day. This because the closing price of the day is the weighted average price of the last 30 mins of trading. The last traded price of the day is the actual last traded price. ...