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Hello Coders,
I am looking for a function (not a complete EA, but a function that I can use from any of my EA´s that I code) that I simply can call like:
Lotsize = ExampleLotFunction(BalanceToRiskInPercent, StopLossPrice);
so for example with values:
Lotsize = ExampleLotFunction(2, 1.23456);
... and it returns the correct lot-size to risk exactly 2% of my current Account balance in my base-currency with the StopLoss passed to it and taking into account the account-base-currency and ANY conversions needed of course if the pair I trade is not in the account-base-currency (example: trading the AUDNZD on a account with the base currency EUR). I have found code on the forum that does work correctly if my account-base-currency is included in the pair that I trade (example: EUR is the account-base-currency and I trade EURUSD), but none yet that calculates correctly if trading AUDNZD, GBPCAD, NZDJPY or whatever and my account-base-currency is in EUR. Hence this request here in the hope someone can finally code something like this for me:)
The code should be of good quality and just be in a simple complete function so that I can use it for any of the EA´s I will be coding in the future without creating a mess and just should take those 2 input variables: Percent of current account balance to risk for the current trade by taking into account the stop loss I´ve passed to it.
Of course it should also be highly adaptive and should have no hard-coded constraints, meaning that it should adapt to different account-base-currencies, 4 and 5 digit brokers, check for the correct lot-step, lot-min and lot-max, etc. etc. Just what a professional function requires.
Thank you:)
P.S.: IMPORTANT: THS IS FOR MT4, not MT5 !