Ljubljana, 17 September (STA) - The Ljubljana, Vienna, Budapest and Prague stock markets will operate as of Thursday within the CEE Stock Exchange Group, the umbrella brand of stock exchanges of Central and Eastern Europe. The group has launched two joint indices. These are CEETX - CEESEG Traded Index and CESSEG Composite, the Ljubljana Stock Exchange said in a press release. CEETX is a a capitalisation-weighted price index and is the benchmark index for the region. It consists of 25 most traded and highest capitalised shares of each member of the CEE Stock Exchange Group. The index will be calculated and disseminated in real-time in euros and US dollars. Due to the excellent liquidity of the constituents, the index can be used as a basis for structured products and for standardised derivatives. CEESEG Composite is also a capitalisation-weighted price index. It consists of the leading stock indices of the member of the CEE Stock Exchange Group - Vienna's ATX, Budapest's BUX, Prague's PX and Ljubljana's SBI TOP. It will also be calculated and disseminated in real-time in euros and US dollars. Together, the four exchanges calculate 52 indices covering Central and Eastern Europe, the Commonwealth of Independent States, and China. According to data as of July 2009, the CEE Stock Exchange Group has a EUR 128bn market capitalisation and accounts for half of the total market capitalisation in the region. With a joint average monthly turnover of EUR 11bn it accounts for around two-thirds of the total turnover.