This indicator will monitor all open trades in the account, no matter how many Symbols there are.It will also show the total lotsize for all open trades, and total Profit & Loss for all open trades.It's a very handy tool when you have multiple open trades for multiple symbols.
It's mostly to give you a list view of all your open trades in real time, with real time P&L.
It will also give you an idea the total lot size that's used in comparison to the account balance.