BSE-Sofia is the only market operator in the South-eastern Europe, which has developed its own web-based system, allowing retail investors to trade financial instruments, listed on the exchange.
The COBOS system is a unique BSE-Sofia product, developed by our own team of IT professionals. Its aim is to allow investors to place orders and trade over a secured internet connection. The system was launched on March 4-th 2003.
The rapid market development in 2005-2007 led to a tenfold increase in the number of users and an average of 70% COBOS entered orders, compared to all orders daily.  After the introduction of the XETRA trading system, the BSE members can develop their own remote trading systems. This lead to a decrease of COBOS clients, but their number up-to-date remains stable.