Non-Gaussian optimization model for systematic portfolio allocation: How to take advantage of market turbulence?

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, we show how to build a systematic quantitative portfolio allocation strategy using non-Gaussian risk metrics and market turbulence detection. We propose a 3-step approach to build a reference second-order portfolio that will be optimally rebalanced according to increasing market skewness. The reference second-order portfolio uses a robust estimate of a covariance based on a semi-definite matrix calibration and incorporates risk aversion via a moving performance target depending on the volatility of the VIX index. As such, it is a dynamic strategy balancing robustness and reactivity to market volatility changes. A convex relaxation scheme allows to re-formulate the mixed second-order/third-order optimization problem as a tractable semi-definite program.

Original languageEnglish
Pages (from-to)237-244
Number of pages8
JournalRisk and Decision Analysis
Volume2
Issue number4
DOIs
StatePublished - 2011

Keywords

  • Markowitz optimization
  • convex relaxation
  • positive asymmetry
  • semi-definite least square

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