Does oil price uncertainty matter in stock market volatility forecasting?

We analyze whether oil price uncertainty and U.S. stock uncertainty can simultaneously provide additional information to volatility forecast of six major stock indexes. For model settings, we find not only the uncertainty information of previous day, but that of previous week and month will also pro...

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Main Authors: Peng Qin, Manying Bai
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2022-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0277319
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author Peng Qin
Manying Bai
author_facet Peng Qin
Manying Bai
author_sort Peng Qin
collection DOAJ
description We analyze whether oil price uncertainty and U.S. stock uncertainty can simultaneously provide additional information to volatility forecast of six major stock indexes. For model settings, we find not only the uncertainty information of previous day, but that of previous week and month will also provide incremental predictive power for the stock market volatility. Based on that, from in-sample and out-of-sample perspective, the empirical evidences imply separately incorporating oil price uncertainty into the model can significantly improve the stock market volatility forecasting performance, but the improvements vanish after controlling the effects of volatility spillover from U.S. stock market while the effect of U.S. stock uncertainty is nonnegligible and sustainable for stock volatility forecasting. We confirm this finding from average and dynamic perspective. We further proceed the process in longer-horizon volatility forecasting, the evidences cannot overturn our conclusion. This conclusion implies that we should be cautious about the stock volatility predictability based on the oil price uncertainty, which further provide some important implications for researchers, regulators and investors.
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spelling doaj.art-047dc046db4c435db3881557c9e9760b2023-01-11T05:32:22ZengPublic Library of Science (PLoS)PLoS ONE1932-62032022-01-011712e027731910.1371/journal.pone.0277319Does oil price uncertainty matter in stock market volatility forecasting?Peng QinManying BaiWe analyze whether oil price uncertainty and U.S. stock uncertainty can simultaneously provide additional information to volatility forecast of six major stock indexes. For model settings, we find not only the uncertainty information of previous day, but that of previous week and month will also provide incremental predictive power for the stock market volatility. Based on that, from in-sample and out-of-sample perspective, the empirical evidences imply separately incorporating oil price uncertainty into the model can significantly improve the stock market volatility forecasting performance, but the improvements vanish after controlling the effects of volatility spillover from U.S. stock market while the effect of U.S. stock uncertainty is nonnegligible and sustainable for stock volatility forecasting. We confirm this finding from average and dynamic perspective. We further proceed the process in longer-horizon volatility forecasting, the evidences cannot overturn our conclusion. This conclusion implies that we should be cautious about the stock volatility predictability based on the oil price uncertainty, which further provide some important implications for researchers, regulators and investors.https://doi.org/10.1371/journal.pone.0277319
spellingShingle Peng Qin
Manying Bai
Does oil price uncertainty matter in stock market volatility forecasting?
PLoS ONE
title Does oil price uncertainty matter in stock market volatility forecasting?
title_full Does oil price uncertainty matter in stock market volatility forecasting?
title_fullStr Does oil price uncertainty matter in stock market volatility forecasting?
title_full_unstemmed Does oil price uncertainty matter in stock market volatility forecasting?
title_short Does oil price uncertainty matter in stock market volatility forecasting?
title_sort does oil price uncertainty matter in stock market volatility forecasting
url https://doi.org/10.1371/journal.pone.0277319
work_keys_str_mv AT pengqin doesoilpriceuncertaintymatterinstockmarketvolatilityforecasting
AT manyingbai doesoilpriceuncertaintymatterinstockmarketvolatilityforecasting