The impact of macroeconomic announcements on implied volatility

Abstract

While many studies analyse the impact of scheduled macroeconomic announcements on equity market volatility, few focus on the impact on option implied volatilities. In this study, we examine the link between German and US macroeconomic events and the implied volatility indices DAX Volatility Index (VDAX) and Chicago Board Options Exchange, CBOE Volatility Index (VIX). We find that both indices fall on announcement days, with the strongest reactions occurring during the financial crisis from 2008 to 2009. Further, we identify a volatility spillover effect and significant covariance clustering between VDAX and VIX.

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