RSJ a.s. (a joint-stock company) is the largest proprietary trader in the Czech Republic. The company is also fully licensed to operate as a brokerage firm and  is regulated by the Czech National Bank.

RSJ trades financial derivatives with yearly notional trading volume exceeding of 2 quadrillion (2 million of billions) CZK. Our company is the largest trader on NYSE Liffe. We have been actively trading at NYSE Liffe since 2000. In 2004, RSJ was appointed as a designated market maker. RSJ is also a very active trader on the CME in Chicago.

RSJ‘s trading is fully automated, using our in-house software that implements advanced mathematical models (algorithmic trading). We employ modern technologies. Our servers are hosted with the exchanges, where we use their proximity services. All of our servers around the world are interconnected creating a unique world-wide sub-millisecond decision making framework.

RSJ considers participation in socially responsible activities and programs as part of being a successful company. In particular, we consider support of university education a top priority. Towards this, RSJ is a generous provider of financial aid directly to universities. We also support employment and opportunities to well qualified mathematicians and information technology graduates and students. We feel that supporting educational institutions ensures bright opportunities for both students and the communities they live in.