Short sales, and trade classification algorithms

"This paper demonstrates that short sales are often misclassified as buyer-initiated by the Lee-Ready and other commonly used trade classification algorithms. This result is due in part to regulations which require short sales be executed on an uptick or zero-uptick. In addition, while the li...

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Bibliographische Detailangaben
1. Verfasser: Asquith, Paul (VerfasserIn)
Weitere Verfasser: Oman, Rebecca (VerfasserIn), Safaya, Christopher (VerfasserIn)
Format: UnknownFormat
Sprache:eng
Veröffentlicht: Cambridge, Mass. National Bureau of Economic Research 2008
Schriftenreihe:NBER working paper series 14158
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Zusammenfassung:"This paper demonstrates that short sales are often misclassified as buyer-initiated by the Lee-Ready and other commonly used trade classification algorithms. This result is due in part to regulations which require short sales be executed on an uptick or zero-uptick. In addition, while the literature considers "immediacy premiums" in determining trade direction, it ignores the often larger borrowing premiums which short sellers must pay. Since short sales constitute approximately 30% of all trade volume on U.S. exchanges, these results are important to the empirical market microstructure literature as well as to measures that rely upon trade classification, such as the probability of informed trading (PIN) metric"--National Bureau of Economic Research web site
Beschreibung:29, [3] S.