Tail-risk protection: Machine Learning meets modern Econometrics

Bruno Spilak and Wolfgang Karl H\"ardle

Papers from arXiv.org

Abstract: Tail risk protection is in the focus of the financial industry and requires solid mathematical and statistical tools, especially when a trading strategy is derived. Recent hype driven by machine learning (ML) mechanisms has raised the necessity to display and understand the functionality of ML tools. In this paper, we present a dynamic tail risk protection strategy that targets a maximum predefined level of risk measured by Value-At-Risk while controlling for participation in bull market regimes. We propose different weak classifiers, parametric and non-parametric, that estimate the exceedance probability of the risk level from which we derive trading signals in order to hedge tail events. We then compare the different approaches both with statistical and trading strategy performance, finally we propose an ensemble classifier that produces a meta tail risk protection strategy improving both generalization and trading performance.

Date: 2020-10, Revised 2021-08
New Economics Papers: this item is included in nep-big, nep-cmp, nep-fmk, nep-ore and nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:2010.03315

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