BEFORE ZHIVIM PERSON.
Speed. Trading robot can track dozens, hundreds of securities prices, to make complex computations quickly, make decisions and then put the application. The man would not be able to quickly analyze so much information. Traders using the trading system in its large volumes of complex calculations, who entrusted trade counselor, gain an advantage over their colleagues, trading in the manual. Traders who do not use advisers who are forced to reduce the number of trading instruments that are used to increase the time intervals (timeframes) and to abandon promising but complex trading systems. 
Acc. Trading robot does not make mistakes (unless the error has crept into the code of the program when it is created), all input and output can be calculated to within a few decimal places if necessary. Exposing an application robot picks up an extra zero by accident and will not put a comma in the wrong place. Traders selling hand, sometimes make mistakes in the calculations, and for billing applications. Some of these errors can protect the well-designed trading platform, but the chance for error remains. 
Trading robot is not affected by emotions. Too many traders, especially beginners, suffering the emotional impulse, make a deal, contrary to the logic of the trading system, and in most cases, these transactions are at a loss. Trading robot always strictly adhered to its logic. He is not frightened of three consecutive losing trades, it is no bad mood. 
Trading robot does not get tired, he is ready to work 24 hours a day. You can go about their business, work, sleep, relax, and your robot will be trading, and steadily increase your bankroll. If you trade manually, you will not be able to hold 100% of time on the computer, even if the trading session on the Stock Exchange a total of 8 hours. Weaned off the computer, the trader may miss an important signal for the entry or exit and this can cause damage. As you can see, shopping robots, give traders a great advantage.