For Forex Pairs, it is calculated as follows:
Lot Size * Contract Size / Leverage or * Margin %.
The result is always in the instrument's currency.
The result is always in the instrument's currency.
For Metals, Energies, Equity Indices and Stocks it is calculated as follows:
Lot Size * Contract Size * Opening Price / Leverage or * Margin %.
The result is always in the instrument's currency.
The result is always in the instrument's currency.
Please note that leverage applies for all instruments. This means you must calculate each tier separately and sum up the results.