The BIST 100 increased 17 points or 1.17% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Turkey. Historically, the Turkey Stock Market (XU100) reached an all time high of 1582.04 in January of 2021. The Istanbul Stock Exchange National 100 Index XU100 is a major stock market index which tracks the performance of 100 companies selected from the National Market, real estate investment trusts and venture capital investment trusts listed on The Istanbul Stock Exchange. It is a capitalization-weighted index. The XU100 has a base value of 1 as of January 1986.