Which Daily Price is Less Noisy?
AbstractThe daily efficient price is the price that would prevail if the market were frictionless. I show that volume-weighted average price (VWAP) provides a less noisy estimate for the unobservable efficient price as compared to the closing price. The variance of daily returns computed with VWAPs is smaller than that computed with closing prices. The difference between these two realized variances is economically significant. The volatility of log closing price change tends to understate the beta risk and Sharpe ratio. A higher noise level in the closing price leads to derivative prices that favor option and volatility-related swap writers.
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Bibliographic InfoArticle provided by Financial Management Association in its journal Financial Management.
Volume (Year): 35 (2006)
Issue (Month): 3 (Autumn)
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- Edward W. Sun & Timm Kruse, 2013. "Economic Modeling for Optimal Trading of Financial Asset in Volatile Market," Economics Bulletin, AccessEcon, vol. 33(3), pages 1788-1795.
- Hu, Gang, 2009. "Measures of implicit trading costs and buy-sell asymmetry," Journal of Financial Markets, Elsevier, vol. 12(3), pages 418-437, August.
- Pham, Thu Phuong, 2013. "Broker ID Transparency and Price Impact of Trades: Evidence from the Korean Exchange," Working Papers 17211, University of Tasmania, School of Economics and Finance, revised 16 Oct 2013.
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