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Realized candlestick wicks

Author

Listed:
  • Li, Yifan
  • Nolte, Ingmar
  • Nolte, Sandra
  • Yu, Shifan

Abstract

We develop a novel nonparametric estimator of integrated variance by summing up the squared wick lengths of intraday candlesticks over a fixed time interval. The proposed wick-based estimator is robust to short-lived extreme price movements, such as gradual jumps and flash crashes. We investigate the asymptotic properties of the proposed estimator, and show that its asymptotic variance is about four times smaller than the state-of-the-art differenced-return volatility (DV) estimator. We also develop a Hausman-type test for the presence of both jumps and episodic extreme price movements. Monte Carlo simulations and empirical applications further validate the practical reliability of our proposed estimator.

Suggested Citation

  • Li, Yifan & Nolte, Ingmar & Nolte, Sandra & Yu, Shifan, 2025. "Realized candlestick wicks," Journal of Econometrics, Elsevier, vol. 250(C).
    • Handle: RePEc:eee:econom:v:250:y:2025:i:c:s0304407625000685
    DOI: 10.1016/j.jeconom.2025.106014
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    Keywords

    High-frequency data; Integrated variance; Range-based volatility estimation; Drift burst; Extreme price movements;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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