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Impact of the introduction of call auction on price discovery: Evidence from the Indian stock market using high-frequency data

Sobhesh Kumar Agarwalla, Joshy Jacob and Ajay Pandey

International Review of Financial Analysis, 2015, vol. 39, issue C, 167-178

Abstract: Call markets are claimed to aggregate information and facilitate price discovery where continuous markets may fail. The impact of the introduction of call auction has not been found uniformly beneficial, possibly due to poor design or due to ‘thick market externalities’. This paper examines the reintroduction of opening call auction at the National Stock Exchange of India in 2010. The results suggest that the auctions attract very little volume, the intraday pattern of volume and volatility in the continuous market remains unchanged and a large fraction of price discovery, measured by the Weighted Price Contribution, still takes place in the first 15min of continuous market. However, the market synchronicity has improved after the introduction of the auction. Our findings suggest that the ability to attract volume in the call auction for effective price discovery depends on the institutional settings and the characteristics of liquidity supply in the market.

Keywords: Call auction; Market opening; Market efficiency; Intraday behavior; Emerging markets (search for similar items in EconPapers)
JEL-codes: G12 G14 G15 (search for similar items in EconPapers)
Date: 2015
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