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Persistence in High Frequency Financial Data
Caporale, Guglielmo Maria; Plastun, Alex - 2022
This paper investigates persistence in high-frequency, intraday data (and also daily and monthly ones) in the case of the EuroStoxx 50 futures over the period from 2002 to 2018 (720 million trade records) using R/S analysis and the Hurst exponent as a measure of persistence. The results indicate...
Persistent link: https://www.econbiz.de/10014242794
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Persistence, Non-Linearities and Structural Breaks in European Stock Market Indices
Caporale, Guglielmo Maria - 2019
This paper examines persistence, structural breaks and non-linearities in the case of five European stock market indices, namely the FTSE100 (UK), DAX30 (Germany), CAC40 (France), IBEX35 (Spain) and FTSE MIB40 (Italy), using fractional integration methods. The empirical results provide no...
Persistent link: https://www.econbiz.de/10012866377
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Cycles and Long-Range Behaviour in the European Stock Market
Caporale, Guglielmo Maria - 2019
This paper uses a modelling framework which includes two singularities (or poles) in the spectral density function, one corresponding to the long-run (zero) frequency and the other to the cyclical (non-zero) frequency. The adopted specification is very general, since it allows for fractional...
Persistent link: https://www.econbiz.de/10012859046
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Volatility Forecasts for the RTS Stock Index : Option-Implied Volatility Versus Alternative Methods
Caporale, Guglielmo Maria - 2019
This paper compares volatility forecasts for the RTS Index (the main index for the Russian stock market) generated by … alternative models, specifically option-implied volatility forecasts based on the Black-Scholes model, ARCH/GARCH-type model … information content). Various forecasting performance tests are carried out which suggest that both implied volatility and …
Persistent link: https://www.econbiz.de/10012871648
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Predictability of Bull and Bear Markets : A New Look at Forecasting Stock Market Regimes (and Returns) in the Us
Haase, Felix; Neuenkirch, Matthias - 2021
The empirical literature of stock market predictability mainly suffers from model uncertainty and parameter instability. To meet this challenge, we propose a novel approach that combines the documented merits of diffusion indices, regime-switching models, and forecast combination to predict the...
Persistent link: https://www.econbiz.de/10013250734
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Aggregate Insider Trading and Stock Market Volatility in the UK
Caporale, Guglielmo Maria; Kyriacou, Kyriacos; … - 2023
This paper examines the relationship between aggregate insider trading (AIT) and stock market volatility using monthly …-run increase in stock market volatility; this can be attributed to a combination of insiders manipulating the timing and content of …-regulated market, it is plausible that the main driver of the increase in stock market volatility should be the information effect …
Persistent link: https://www.econbiz.de/10014347820
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Witching Days and Abnormal Profits in the US Stock Market
Caporale, Guglielmo Maria; Plastun, Alex - 2021
This paper examines price effects related to witching days in the US stock market using both weekly and daily data for three major indices, namely the Dow Jones, SP500 and Nasdaq, over the period 2000-2021. First it analyses whether or not anomalies in price behaviour arise from witching by...
Persistent link: https://www.econbiz.de/10013323081
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The Frequency of One-Day Abnormal Returns and Price Fluctuations in the Forex
Caporale, Guglielmo Maria - 2020
This paper analyses the explanatory power of the frequency of abnormal returns in the FOREX for the EURUSD, GBRUSD, USDJPY, EURJPY, GBPCHF, AUDUSD and USDCAD exchange rates over the period 1994-2019. Abnormal returns are detected using a dynamic trigger approach; then the following hypotheses...
Persistent link: https://www.econbiz.de/10012837673
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Macro-Financial Linkages in the High-Frequency Domain : The Effects of Uncertainty on Realized Volatility
Caporale, Guglielmo Maria - 2020
This paper estimates a bivariate HEAVY system including daily and intra-daily volatility equations and its macro …-augmented asymmetric power extension. It focuses on economic factors that exacerbate stock market volatility and represent major threats to … commodity markets on stock market realized volatility. Specifically, Economic Policy Uncertainty is shown to be one of the main …
Persistent link: https://www.econbiz.de/10012844423
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Persistence in the Realized Betas : Some Evidence for the Spanish Stock Market
Caporale, Guglielmo Maria - 2020
This paper examines the stochastic behaviour of the realized betas within the one-factor CAPM for the six companies with the highest market capitalization included in the Spanish IBEX stock market index. Fractional integration methods are applied to estimate their degree of persistence at the...
Persistent link: https://www.econbiz.de/10012838240