STXE is designed to track an index of mid and large cap companies in emerging markets, excluding China. Securities eligible for inclusion in the index are screened based on factors such as free float market capitalization, trading volume thresholds, and market price cap levels. Constituents are then sorted by emerging markets country based on market size, liquidity, and capital market structure. Each security selected for the index is market cap-weighted. It includes both common stocks and real estate investment trusts. The index is rebalanced quarterly and reconstituted on a semi-annual basis in March and September.