We were talking at work about signals,this signal PSAR is still used by professional traders today even though its 30 years old,used in conjunction with other signals like ADI and Bollinger bands can provide some interesting results.Do some back testing on your product that you trade with first.0.02 for everything except stocks,usually 0.01,play around with the numbers see what works best.

be lucky!
"They mistook leverage with genius".