Disliked{quote} Hi abowaik, Thanks for sharing your code. I hope this is not out of place, but here are a couple of tips... A necessary step in working with multiple symbols is to first ensure that the symbol is selected in the market watch window. Since the SymbolSelect function will return false if the symbol does not exist, I would recommend replacing your invalid_pair function with if(!SymbolSelect(pairs,true)) { Alert("Error : Invalid Pair : "+pairs+"\nCheck Symbol Settings"); return(INIT_FAILED); } Or even better yet use CSymbolInfo which already...Ignored
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