The OMXS 30 increased 153 points or 8.14% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Sweden. Historically, the Sweden Stock Market (OMX 30) reached an all time high of 3009.03 in April of 1998. The OMX Stockholm 30 Index is a major stock market index which tracks the performance of 30 stocks that have the largest volume of the trading on the Stockholm Stock Exchange. It is a free float, capitalization weighted index. The OMX 30 index has a base value of 125 as of September 30, 1986. The index has been split by 4 on April 27, 1998.