Hellström, Jörgen () (Department of Economics, Umeå University) Simonsen, Ola () (Department of Economics, Umeå University)
Abstract
This paper empirically tests whether an open limit order book contains information about future short-run stock price movements. To account for the discrete nature of price changes, the integer-valued autoregressive model of order one is utilized. A model transformation has an advantage over conventional count data approaches since it handles negative integer-valued price changes. The empirical results reveal that measures capturing offered quantities of a share at the best bid- and ask-price reveal more information about future short-run price movements than measures capturing the quantities offered at prices below and above. Imbalance and changes in offered quantities at prices below and above the best bid- and ask-price do, however, have a small and significant effect on future price changes. The results also indicate that the value of order book information is short-term.
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Publisher Info
Paper provided by Umeå University, Department of Economics in its series Umeå Economic Studies with number
687.
Length: 26 pages Date of creation: 24 Aug 2006 Date of revision: Handle: RePEc:hhs:umnees:0687
Contact details of provider: Postal: Department of Economics, Umeå University, S-901 87 Umeå, Sweden Phone: 090 - 786 61 42 Fax: 090 - 77 23 02 Email: Web page: http://www.econ.umu.se/ More information through EDIRC
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