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- W2912337149 abstract "Forecasting and modelling commodities price movements and the activity of energy markets are of real interest to investors and policymakers, especially during turbulent times. This study investigates the volume–returns relationship for two major energy markets (oil and gas) during the recent global financial crisis. Unlike previous studies, we examine this relationship by applying an original fractal approach to intraday data, which has the advantage of accounting for further non-normality, nonstationarity, and fat-tailedness properties. Our study provides two interesting findings. First, we find a significant multifractal relationship between returns and volume in both markets and across all timescales, suggesting nonlinearity in the cross-correlation between returns and volume and rejecting the efficiency assumption. Second, the measure of multifractality in this relationship shows that the magnitude of the fluctuations during bearish and bullish trends affects the volume–return relationship differently, and that the oil market exhibits higher volatility than does the gas market." @default.
- W2912337149 created "2019-02-21" @default.
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- W2912337149 date "2019-02-14" @default.
- W2912337149 modified "2023-10-10" @default.
- W2912337149 title "On the relationship between energy returns and trading volume: a multifractal analysis" @default.
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- W2912337149 doi "https://doi.org/10.1080/00036846.2018.1564122" @default.
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