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Abstract
The authors present a machine learning approach to regime-based asset allocation. The framework consists of two primary components: (1) regime modeling and prediction and (2) identifying a regime-based strategy to enhance the performance of a risk parity portfolio. For the former, they apply supervised learning algorithms, including the random forest, based on a large macroeconomic database to estimate the probability of an upcoming recession or a stock market contraction. Out-of-sample tests show the reliability of these predictions, especially for recessions in the United States, over the period 1973 to 2020. The probability estimates are linked to a dynamic investment overlay strategy. The combined approach improves risk-adjusted returns by a substantial amount over nominal risk parity in two-asset and multi-asset test cases, even during rising interest rates in the late 1970s.
TOPICS: Big data/machine learning, portfolio construction, performance measurement
Key Findings
▪ We examine a regime prediction problem with supervised learning approaches and implement regime-switching risk parity portfolios.
▪ All recession periods after 1973 are captured by the random forest model, and stock market regime predictions lead to better portfolio performance.
▪ Regime-switching models enhance risk parity portfolios, even during a rising interest rate period. Regime-based overlay strategies provide higher risk-adjusted returns in risk parity strategies.
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US and Overseas: +1 646-931-9045
UK: 0207 139 1600