AFK provides exposure to the whole African continent and not just South Africa. The fund focuses on gross domestic product (GDP) rather than market cap. This places the emphasis on each country's economic footprint rather than the market value of equity. The index takes a broad approach to eligibility: It includes companies from all caps that earn a majority of revenues in Africa, rather than restricting eligibility to companies domiciled in the continent. A minimum of 25 constituents will compose the index and their weights are capped at 8%. The index is reviewed quarterly, while GDPs are reviewed annually in June.