2011
DOI: 10.2139/ssrn.1343900
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Jumps in High-Frequency Data: Spurious Detections, Dynamics, and News

Abstract: Applying tests for jumps to financial data sets can lead to an important number of spurious detections. Bursts of volatility are often incorrectly identified as jumps when the sampling is too sparse. At a higher frequency, methods robust to microstructure noise are required. We argue that whatever the jump detection test and the sampling frequency, a highly relevant number of spurious detections remain because of multiple testing issues. We propose a formal treatment based on an explicit thresholding on availa… Show more

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Cited by 54 publications
(69 citation statements)
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“…We believe, however, that it is quite unlikely that jumps are influencing the analyses presented here to any meaningful degree. In fact, Christensen, Oomen, and Podolskij (2014) and Bajgrowicz, Scaillet, and Treccani (2016) have recently presented compelling evidence of the relative infrequency of jumps in asset prices, especially for highly liquid assets similar to the E-mini futures contract studied here.…”
Section: High-frequency Futures Price Datamentioning
confidence: 71%
“…We believe, however, that it is quite unlikely that jumps are influencing the analyses presented here to any meaningful degree. In fact, Christensen, Oomen, and Podolskij (2014) and Bajgrowicz, Scaillet, and Treccani (2016) have recently presented compelling evidence of the relative infrequency of jumps in asset prices, especially for highly liquid assets similar to the E-mini futures contract studied here.…”
Section: High-frequency Futures Price Datamentioning
confidence: 71%
“…The performance of the jump test is measured by its ability to identify actual jumps and avoid type I statistical errors (i.e., reject the null when there is no jump). By performing the test repeatedly within each day, the number of jumps spuriously detected converges to the test significance level (Bajgrowicz, Scaillet, and Treccani ). For example, if a jump test is conducted with a 5% significance level over 200 intraday returns, on average, ten jumps will be erroneously identified.…”
Section: Jump Identification Methodsmentioning
confidence: 99%
“…Bajgrowicz, Scaillet, and Treccani () have characterized Lee and Mykland's approach (2008) as excessively conservative when applied to high frequency data.…”
mentioning
confidence: 99%
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“…To je pravděpodobně důvod, proč v literatuře nedochází ke shodě ohledně optimality jednotlivých indikátorů (viz Dumitru a Urga, 2012). Na problém řádné identifi kace nedávno upozornilo několik studií, které hodnotí indiká-tory cenových skoků pomocí metody Monte Carlo (Theodosiou a Žikeš, 2011;Bajgrowicz a Scaillet, 2011;Dumitru a Urga, 2012;Hanousek et al, 2012;Vortelinos a Thomakos, 2013). I rozsáhlé studie metody Monte Carlo však stále nedokáží celý problém průkazně 1 Toto je nutné vnímat v kontextu stále se více integrujících trhů.…”
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