Microstructure Effects on Daily Return Volatility in Financial Markets

Andreas Krause

Papers from arXiv.org

Abstract: We simulate a series of daily returns from intraday price movements initiated by microstructure elements. Significant evidence is found that daily returns and daily return volatility exhibit first order autocorrelation, but trading volume and daily return volatility are not correlated, while intraday volatility is. We also consider GARCH effects in daily return series and show that estimates using daily returns are biased from the influence of the level of prices. Using daily price changes instead, we find evidence of a significant GARCH component. These results suggest that microstructure elements have a considerable influence on the return generating process.

Date: 2000-11
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Published in International Journal of Theoretical and Applied Finance, Vol. 6, No. 7 (2003) 739-765

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