JSE Code: STXWIS. The Satrix MSCI World Islamic ETF will track the MSCI World Islamic Index which reflects Shariah investment principles and is designed to measure the performance of the large and mid-cap segments of the 23 Developed Markets (DM) countries that are relevant for Islamic investors. The index methodology includes a starting universe which applies screening based on business activity and financial ratios. Consituents are weighted by free-float-adjusted market capitalisation.