
Forex trading profit/loss calculator calculate a trade's profit or loss. compare the results for different opening and closing rates (either historic or hypothetical).. The transaction size is 100,000 euros. to calculate your profit or loss, you take the selling price of $1.2188, subtract the buying price of $1.2178 and multiply the difference by the transaction size of 100,000. ($1.2188 – 1.2178) x 100,000 = $100. in this example, you would have a $100 profit from this transaction.. Profit calculator before entering a trade, it makes sense that you would want to know what you stand to gain or lose from it. fxtm’s profit calculator...