The S&P/ASX200 is an index that represents the 200 top stocks based on their weighted market capital in the Australian stock market "Australian Securities Exchange". The index represents 72% of the total market value of all the stocks traded in the Australian Securities Exchange. The trading hours for the ASX 200 index takes place from 10:00 a.m. to 4:00 p.m. Sydney time. This index was created back in 2000 and it started with a value of 3,133.3. The 2015 market capitalization of the index amounts to A$ 1.1 trillion, which sets it around the same market capitalization with some of the major indexes of Europe. The ASX200 is an indicator that gauges the performance of the Australian stock market and this indicator could be used as a guide by investors that want to understand how the biggest economy in Oceania is performing. The sectors that contribute the most to the index are the financial sector, with 38.53% of the index, followed by the materials sector with 25.92%. It is well known that Australia is a provider of natural resources, including crude oil and gold. In times of growth, natural resource commodities are often in demand which can benefit the Australian economy. Therefore, this sector plays a huge role in the overall behavior of the index.