If you are a professional client at the RoboMarkets website, then there are different kinds of bonuses that you will get when you are trading on their website. The most common and the best bonus is the deposit bonus, where sometimes you can get a bonus of up to %120 of the amount which you have invested. This means double your deposit so you can invest more and earn double without paying extra to the company. You can learn in detail about this bonus by going on this link www.robomarkets.com/for-professionals/overview/how-to-become-a-professional-client.