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Cost functions and model combination for VaR-based asset allocation using neural networks

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2 Author(s)
N. Chapados ; Dept. of Comput. Sci. & Oper. Res., Montreal Univ., Que., Canada ; Y. Bengio

We introduce an asset-allocation framework based on the active control of the value-at-risk of the portfolio. Within this framework, we compare two paradigms for making the allocation using neural networks. The first one uses the network to make a forecast of asset behavior, in conjunction with a traditional mean-variance allocator for constructing the portfolio. The second paradigm uses the network to directly make the portfolio allocation decisions. We consider a method for performing soft input variable selection, and show its considerable utility. We use model combination (committee) methods to systematize the choice of hyperparameters during training. We show that committees using both paradigms are significantly outperforming the benchmark market performance

Published in:

IEEE Transactions on Neural Networks  (Volume:12 ,  Issue: 4 )