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Price discovery in the round-the-clock U.S. Treasury market

Listed author(s):
  • He, Yan
  • Lin, Hai
  • Wang, Junbo
  • Wu, Chunchi

We evaluate the efficacy of price discovery in the round-the-clock U.S. Treasury market. Using a comprehensive intraday database, we explore informational role of trades over the 24-hour day. We find that information asymmetry is generally highest in the preopen period and lowest in the postclose period. Information asymmetry in the overnight period is comparable to that in the regular trading period. However, on days with macroeconomic announcements, information asymmetry peaks shortly after the news release at 8:30. Moreover, information asymmetry is higher on Monday morning and higher immediately before than after the open of U.S. Treasury futures trading. Although volume is low after hours and trading cost is relatively high, overnight trading generates significant price discovery. Results suggest that overnight trading activity is an important part of the Treasury price discovery process.

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File URL: http://www.sciencedirect.com/science/article/pii/S1042-9573(09)00003-5
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Article provided by Elsevier in its journal Journal of Financial Intermediation.

Volume (Year): 18 (2009)
Issue (Month): 3 (July)
Pages: 464-490

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Handle: RePEc:eee:jfinin:v:18:y:2009:i:3:p:464-490
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/622875

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