IDMO offers a momentum play on large- and mid-cap developed market stocks, ex-US. 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. IDMO has the potential for significant deviation from market cap-weighted exposure and performance given its methodology and the absence of sector and country constraints. The index is rebalanced semi-annually. Note: IDMO began tracking its momentum index on March 21, 2016. Prior to that it tracked a high-beta index of international stocks under a different name (PowerShares S&P International Developed High Beta) and ticker (IDHB). Prior to May 31, 2024, the fund tracked the S&P Momentum Developed ex-U.S. & South Korea LargeMidCap Index.