(), Jonas Niemeyer
() and Gunnar Rosenqvist
Kaj Hedvall: Department of Finance, Postal: Swedish School of Economics and Business Administration, P.O. Box 479, FIN-00101 Helsinki, FINLAND
Jonas Niemeyer: Department of Financial Stability, Postal: Sveriges Riksbank, SE- 103 37 Stockholm, SWEDEN
Gunnar Rosenqvist: Department of Statistics and Computer Science, Postal: Swedish School of Economics and Business Administration, P.O. Box 479, FIN-00101 Helsinki, FINLAND
Abstract: The symmetry of an electronic limit order book is studied using high-frequency data. Is the order flow generated by buyers of the same structure as the one by sellers or would factors such as short selling restrictions and information trading result in asymmetries in the order flow? A model expressing symmetry of a limit order book is developed and tested within a log.-linear Poisson regression framework. Although the orderflow was found to be quite symmetric in general, clear asymmetries were identified for various trade categories suggesting differences between the order submission of buyers and sellers using a limit order book.
23 pages, February 1997
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