The 30 constituents of the Straits Times Index are a collection of blue chip companies listed on SGX. The STI is a market value weighted index, so that larger value companies have a larger influence on the index. These companies cover a majority of the total market capitalisation of all Singapore Exchange listed companies. On this page you will find stock quotes (time delayed) and historical share price graphs for each of these companies. To see a graph of the stock price over a shorter period, select the appropriate tab on top of the graph. Hover the pointer over any point on the historical price chart to see stock prices and trading volumes on a particular day.