Day-of-the-Week Effect on Trading and Non-Trading Stock Market Returns in India: A Parametric and Non-Parametric Testing
Arthavijnana, Vol. XLVIII, No. 4, pp. 279-304, Dec. 2006
27 Pages Posted: 3 Nov 2010 Last revised: 20 Jan 2015
Date Written: 2006
The present study examines the Day-of-the-Week effect anomaly in the Indian equity market during the period of July 1997 to March 2006 using daily data of NSE Nifty and BSE Sensex. The Day-of-the-Week effect implies that the stocks return is not independent of the Day-of-the-Week in which they are generated. If such an anomaly exists, market participants can take advantage of the same and adjust their buying and selling strategies accordingly to increase their returns. Both parametric and non-parametric approaches are applied to detect the Day-of- the-Week effect in both mean and volatility of returns. The results indicate that BSE starts upwards, declines in middle of the week and end downwards while NSE starts downward, upward in middle of the week and end downwards. The study reveals U-shaped intra-day pattern in price volatility in both the markets. The results also indicate differential pattern of movements in mean and variance of trading and non-trading returns across the weekdays. It is also observed that there is an improvement in the Day-of-the-Week anomaly during the period of January 2002 to March 2006.
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