How does IB TWS calculate PandL

thread: How does IB TWS calculate PandL

  1. #1

    How does IB TWS calculate PandL

    I find that if I scale out and in Realised and Unrealized PnL's IB calculation is incorrect.
    Because you can see in the morning, I only had 1 loseing trade which was the first one. I have to have experienced a -77.6$ reduction, however it reveals -117$

    I already opened a ticket on it but IB reacts very late and by that time, my rankings have shifted.

    Does any one know or come accross this issue

  2. #2
    Junior Member mneseas's Avatar
    27
    The image contains your live account amount. I suggest that you take down the image or edit your account # from the image for your security? I realize the safety device might negate what I wrote still.

    I feel that the PL is reported based on midpoint bid/ask, not on real bid/ask. Not sure about # s shing in your case and scaling in / out. What do you mean by scale?

  3. #3
    Offering you FXEz,
    when you examine the trades
    the initial 2 executions led to a loss

    The other executions were profitable and I have been at middle of a trade with open position. So the Realized PnL relies on the 2 executions.

    Realized PnL relies on actual net gains at time of trade. After a transaction is closed, the Realzied PnL amount can't change based on price as its deal.

    I am still trying to figure out why there is this discrepency.
    IB hasn't reacted yet.

  4. #4
    Junior Member mneseas's Avatar
    27
    I did some calculations and place them in an Excel sheet. I might be away in my calculations. Maybe it will give you a few ideas?

    I believe they compute pnl by ordinary position.


    https://www.cliqforex.com/attachment...1681284656.xls

  5. #5
    Thank you a lot for your attempt. This could be the excuse that is closest that I got so far. Makes me wonder how to track my pnl heading forward.
    I probably need to write a program to monitor for the correct particulars.
    My target is 20 pips a day and I did not pay close attention to this earlier.

  •