EEMO offers a momentum play on large- and mid-cap emerging market stocks. To determine a momentum score, the fund uses 12-month returns, skipping past the most recent month. It also makes an adjustment for volatility, favoring stocks with lower vol. per unit of return. Only stocks in the highest quintile of momentum scores are selected. Stocks are weighted by the product of momentum score and market cap. Notably, South Korea is eligible for inclusion here, and not in sibling fund IDMO. Also, EEMO has the potential for significant deviation from cap-weighted exposure and performance given its methodology and the absence of sector and country constraints. The index is rebalanced semi-annually. Note: EEMO started tracking its momentum index on March 21, 2016. Prior to that, it tracked a high beta index of EM stocks under a different name (PowerShares S&P Emerging Markets High Beta) and ticker (EEHB).