The Tadawul All Share Index (TASI) is a major stock market index which tracks the performance of all companies listed on the Saudi Stock Exchange. The index has a base value of 1000 as of 1985 and it was reorganized on June 30, 2008.. This page provides - Saudi Arabia Stock Market (TASI) - actual values, historical data, forecast, chart, statistics, economic calendar and news. Saudi Arabia Stock Market (TASI) - actual data, historical chart and calendar of releases - was last updated on April of 2018.