What I'm trying to do is have my strategy define order size (forex) based on a risk in USD. Let's say the ammount I'm willing to risk on any trade is USD$100.
Risk would be the stoploss amount; let's say I'm using ATR*2.
-What would be the formula for currency pairs involving USD (EURUSD/USDJPY...)?
-What would be the formula for pairs not involving USD (Say EURJPY)? I assume I will need to use the EUR/USD exchange rate, or the USD/JPY exchange rate, or both?
Any help would be appreciated!
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