A censored-GARCH model of asset returns with price limits

Steven X. Wei (weix@uxmail.ust.hk)
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Steven X. Wei: Center for Operations Research and Econometrics (CORE), Université catholique de Louvain (UCL), Louvain la Neuve, Belgium and Department of Finance, The Hong Kong University of Science and Technology

No 1998015, LIDAM Discussion Papers CORE from Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)

Abstract: As one important form of market circuit breakers, price limits have been often imposed in stock and futures markets. This paper considers modeling the return process of such assets, focusing on the treatment of price limits. As a result, a censored-GARCH model is formulated and a Bayesian approach to this model is developed. An application is provided to Treasury bill futures over a period of high volatility and frequent limit moves. The impacts of price limits are demonstrated with the real data and confirmed with a simulation example

Keywords: Price limits; censored-GARCH model; griddy Gibbs sampler-data augmentation. (search for similar items in EconPapers)
JEL-codes: C13 C24 G19 (search for similar items in EconPapers)
Date: 1998-02
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:cor:louvco:1998015

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