Forecasting realized volatility of crude oil futures with equity market uncertainty

Forecasting realized volatility of crude oil futures with equity market uncertainty
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预测股市不确定性下原油期货的实际波动率

DOI:
10.1080/00036846.2019.1619023
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发表时间:
2019-05
期刊:
影响因子:
2.2
通讯作者:
Hu CY
Hu CY
中科院分区:
经济学4区
文献类型:
--
作者:
Wen FH;Zhao YP;Zhang MZ;Hu CY

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本文研究了股票市场不确定性(EMU)指数是否包含用于预测原油期货已实现波动性的增量信息。我们使用WTI原油期货的5分钟高频交易数据,并在经典HAR型模型的基础上开发了六种异质自回归(HAR)模型。实证结果表明,EMU 比经济政策不确定性(EPU)包含更多的增量信息来预测原油期货的实际波动性。更重要的是,我们认为EMU是一个不可忽视的附加预测变量,可以显着提高所有六种HAR类型模型的提前1天预测精度,并提高HAR-RV、HAR-RV-J、HAR-RSV、HAR-RV-SJ模型的提前1周预测性能。这些发现凸显了EMU对原油期货市场的短期预测能力强、中期预测能力弱。
This paper examines whether the equity market uncertainty (EMU) index contains incremental information for forecasting the realized volatility of crude oil futures. We use 5-min high-frequency transaction data for WTI crude oil futures and develop six heterogeneous autoregressive (HAR) models based on classical HAR-type models. The empirical results suggest that EMU contains more incremental information than the economic policy uncertainty (EPU) for forecasting the realized volatility of crude oil futures. More importantly, we argue that EMU is a non negligible additional predictive variable that can significantly improve the 1-day ahead predictive accuracy of all six HAR-type models, and improve the 1-week ahead forecasting performance of the HAR-RV, HAR-RV-J, HAR-RSV, HAR-RV-SJ models. These findings highlight a strong short-term and a weak mid-term predictive ability of EMU in the crude oil futures market.
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