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Harnessing jump component for crude oil volatility forecasting in the presence of extreme shocks
Institution:1. School of Economics and Management, Nanjing University of Science and Technology, Nanjing, China;2. School of Finance, Yunnan University of Finance and Economics, Kunming, China;3. China Audit Intelligence Center, Nanjing Audit University, Nanjing, China;4. School of Economics and Management, Southwest Jiaotong University, Chengdu, China;1. School of Economics & Management, Southwest Jiaotong University, Chengdu, China;2. Department of Mechanical and Industrial Engineering, Ryerson University, Toronto, Canada
Abstract:Oil markets are subject to extreme shocks (e.g. Iraq’s invasion of Kuwait), causing the oil market price exhibits extreme movements, called jumps (or spikes). These jumps pose challenges on oil market volatility forecasting using conventional volatility dynamic models (e.g. GARCH model) This paper characterizes dynamics of jumps in oil market price using high frequency data from three perspectives: the probability (or intensity) of jump occurrence, the sign (e.g. positive or negative) of jumps, and the concurrence with stock market jumps. And then, the paper exploits predictive ability of these jump-related information for oil market volatility forecasting under the mixed data sampling (MIDAS) modeling framework. Our empirical results show that augmenting standard MIDAS model using the three jump-related information significantly improves the accuracy of oil market volatility forecasting. The jump intensity and negative jump size are particularly useful for predicting future oil volatility. These results are widely consistent across a variety of robustness tests. This work provides new insights on how to forecast oil market volatility in the presence of extreme shocks.
Keywords:Oil market  Volatility forecasting  Jump intensity  Signed jumps  Cojumps
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