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Efficient predictability of stock return volatility: The role of stock market implied volatility

机译:有效的股票回报波动性可预测性:股市暗示波动的作用

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This study examines the predictability of stock market implied volatility on stock volatility in five developed economies (the US, Japan, Germany, France, and the UK) using monthly volatility data for the period 2000 to 2017. We utilize a simple linear autoregressive model to capture predictive relationships between stock market implied volatility and stock volatility. Our in-sample results show there exists very significant Granger causality from stock market implied volatility to stock volatility. The out-of-sample results also indicate that stock market implied volatility is significantly more powerful for stock volatility than the oil price volatility in five developed economies.
机译:本研究审查了股票市场暗示波动性在五届发达经济体(美国,日本,德国,法国和英国)的股票波动性的可预测性使用2000年至2017年期间的月度波动数据。我们利用简单的线性自回归模型捕捉股市之间隐含波动性和股票波动之间的预测关系。我们的样本结果表明,股票市场隐含到股票波动性的股票市场暗示的格兰杰因果关系非常重要。除样品外的结果还表明,股市隐含的波动性比在五个发达经济体中的石油价格波动比石油价格波动显着更强大。

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