I have setup a live demo account with FXCM (UK) using SIM101 account so have access to live data. I've managed to setup the commission costs per round trip for EUR/GBP instrument 1K lot size. But how do I calculate the quantity to use in my script to at least breakeven? the commission cost is £0.12 per round trip.
I'm hopping to see the unrealized PnL field changing value during the position and not just the commissioning costs in the final PnL.
Is there a guideline on how to do the above or even better could someone share even a basic script that I can run and test changing the quantity order to practice how those PnL values move up and down in my demo account?
Many thanks
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