Title: A comparison of trading and non-trading mechanisms for price discovery
Abstract: This paper compares trading and non-trading mechanisms for price discovery during the Nasdaq pre-open and examines whether prices discovered though non-trading mechanisms are less efficient or reveal less information than prices discovered through trading. As Nasdaq pre-open trading volume increased, the opening price became more efficient and price discovery shifted from the opening trade to the pre-open. Price discovery shifted from the trading day to the pre-open only for the highest-volume stocks. These results suggest that pre-open trading contributes to the efficiency of the opening price, but that a critical threshold of trading volume is required to increase the amount of information in the opening price.
Publication Year: 2008
Publication Date: 2008-12-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 111
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