if you go in mt4 terminal, then signals, and order by rating, the number 1 have this expectations:
:: Monthly Expected Return = 5%
:: Annual Expected Return = 50%
:: Drawdown Risk < 20%
:: Margin Used per Trade = 2 - 5%
:: Max. Open Margin Used = 20%
He is rating number 1, and you can see his performance, then if you scroll down, and see the number, 2, 3, etc, will see similar results. No often but now i know why you are sharing any system, But if you can find such amazing holy grail, let us know.
I may trade any system that give a high porcetange of not blowing my account, specially if it worked for many years back, every system may fail, we can only choose better chances of succees.