Repo transactions are very important segment of money market. The importance of repo deals continually growing, taking into account their main characteristics as well as reached trading volume on interbank market. Global financial crisis and individual speculative transactions significantly influenced on volume and frequency of repo transactions from the end of 2007, but clear signals of recovery show on undoubtfull significance of repo deals on total liquidity and financial markets development at whole. This paper is intended for broad economic auditorium and professionals in financial area, which are faced in daily operations with repo transaction subject matter on financial markets.