Among professional money managers who trade the futures markets, known as Commodity Trading Advisors or CTAs, those who trade with mechanical trading systems outnumber so-called discretionary traders by a ratio of six to one (source: SafeMoneyMetrics Stark Managed Futures Indexes). The pros use trading systems because they work.
wat
Source: http://www.breakoutfutures.com/
And then they go on to try and sell you a few systems, one of which is $5k, wtf????