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Autoregressive conditional duration modelling of high frequency data

2021/11/03 by Xiufeng Yan, Yan, Xiufeng
Economics, Econometrics and Finance · #Applications (stat.AP) #Econometrics (econ.EM) #FOS: Computer and information sciences #FOS: Economics and business #Financial Risk and Volatility Modeling #Monetary Policy and Economic Impact #Stochastic processes and financial applications

paper · pdf · doi:10.48550/arxiv.2111.02300

openalex publication_date 2021/11/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

This paper explores the duration dynamics modelling under the Autoregressive Conditional Durations (ACD) framework (Engle and Russell 1998). I test different distributions assumptions for the durations. The empirical results suggest unconditional durations approach the Gamma distributions. Moreover, compared with exponential distributions and Weibull distributions, the ACD model with Gamma distributed innovations provide the best fit of SPY durations.

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