The PX increased 26 points or 2.52% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Czech Republic. Historically, the Czech Republic Stock Market (SE PX) reached an all time high of 1944.30 in October of 2007. The PX (until March 2006 the PX 50) is a major stock market index which tracks the performance of large companies listed in the Prague Stock Exchange, in Czech Republic. It is a free floating price-weighted index. The PX Index has a base value of CZK1000 as of April 5, 1994.