The MSM TOP 30 decreased 68 points or 1.87% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Oman. Historically, the Oman Stock Market (MSM 30) reached an all time high of 12164.54 in June of 2008. The MSM 30 Index is a major stock market index which tracks the performance of 30 most profitable companies traded in the Muscat Securities Market. It is a capitalization-weighted index. The MSM 30 Index has a base value of OMR1000 as of June 1, 1990.