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Bootstrapping High-Frequency Jump Tests

Prosper Dovonon, Silvia Goncalves (), Ulrich Hounyo and Nour Meddahi

Journal of the American Statistical Association, 2019, vol. 114, issue 526, 793-803

Abstract: The main contribution of this article is to propose a bootstrap test for jumps based on functions of realized volatility and bipower variation. Bootstrap intraday returns are randomly generated from a mean zero Gaussian distribution with a variance given by a local measure of integrated volatility (which we denote by {v^in}$\lbrace \hat{v}_{i}^{n}\rbrace $). We first discuss a set of high-level conditions on {v^in}$\lbrace \hat{v}_{i}^{n}\rbrace $ such that any bootstrap test of this form has the correct asymptotic size and is alternative-consistent. We then provide a set of primitive conditions that justify the choice of a thresholding-based estimator for {v^in}$\lbrace \hat{v}_{i}^{n}\rbrace $. Our cumulant expansions show that the bootstrap is unable to mimic the higher-order bias of the test statistic. We propose a modification of the original bootstrap test which contains an appropriate bias correction term and for which second-order asymptotic refinements are obtained.

Date: 2019
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Citations: View citations in EconPapers (5)

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Related works:
Working Paper: Bootstrapping high-frequency jump tests (2017) Downloads
Working Paper: Bootstrapping high-frequency jump tests (2016) Downloads
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DOI: 10.1080/01621459.2018.1447485

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