The Straits Times Index STI is a major stock market index which tracks the performance of the top 30 companies listed on the Singapore Exchange. It is a capitalization weighted index. The STI Index dates back to 1966. Yet, it was recalculated twice in 1998 and in 2008 according to the FTSE methodology. This page provides - Singapore Stock Market (STI) - actual values, historical data, forecast, chart, statistics, economic calendar and news. Singapore Stock Market (STI) - actual data, historical chart and calendar of releases - was last updated on June of 2018.