Margin call is the aleart before less your equity and and it is different from one broker to the other and some allow it up to percent and some it is 100 and some 50% that is Like any other skill it has its good practitioners and bad ones Most good traders are bad analysts and vice versa The two mind sets are diff it's that which you did within the last minute before it takes place that counts best let alone ore fund it's just the same you're accelerate the loss of your entire capital