The ISEQ increased 139 points or 1.89% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Ireland. Historically, the Ireland Stock Market (ISEQ) reached an all time high of 10364.79 in May of 2007. The Ireland Stock Exchange Overall Index (ISEQ) is a major stock market index which tracks the performance of all (excluding UK registered) companies listed on the Irish Stock Exchange. It is a capitalization-weighted index. The ISEQ has a base value of 1000 as of January 4, 1988.