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Are your factors aligned?

categories: Portfolio Management Analytics, Americas, EMEAI, Factor and Risk Modeling, Investing (Investment Management), Performance Analysis, Portfolio Construction and Optimization, Asia Pacific, Asset Owners, Hedge Funds, Equities, Research Paper, MELAS Dimitris, BAYRAKTAR Mehmet, Asset Managers (Quant or Fundamental), ROISENBERG Leon, general

Many institutional investors develop proprietary return forecasting models, but use third-party/alternative models such as the MSCI Global Equity Total Market Model to measure risk and transaction costs. While there may be a significant overlap between the factors used in alpha and risk models, at times they may be misaligned. For managers who optimize their portfolios, the optimizer will tend to amplify the component of alpha that is not aligned with the risk model; this may lead to unintended portfolio exposures and unnecessary trading. This Research insight describes a practical process for detecting and addressing misalignment between alpha and risk factors.

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