The Mean-Value at Risk Static Portfolio Optimization Using Genetic Algorithm

In this paper, the authors solve the problem of static portfolio allocation based on historical Value at Risk (VaR) by using Genetic Algorithm (GA). VaR is a predominantly used measure of risk of extreme quantiles in modern finance. For estimation of historical static portfolio VaR, calculation of time series of portfolio returns is required. To avoid daily recalculations of proportion of capital invested in portfolio assets, they introduce a novel set of weight parameters based on proportion of shares. Optimal portfolio allocation in the VaR context is computationally very complex since VaR is not a coherent risk metric while number of local optima increases exponentially with the number of securities.

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Resource Details

Provided by:
ComSIS Consortium
Topic:
Security
Format:
PDF