Clustering of Trading Activity in the DAX Index Options Market

Alexander Koch and Zdravetz Lazarov
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Zdravetz Lazarov: Bonn Graduate School of Economics, University of Bonn

No 05/02, Royal Holloway, University of London: Discussion Papers in Economics from Department of Economics, Royal Holloway University of London

Abstract: A common contention is that more liquid financial contracts draw trading volume from contracts for which they are close substitutes. This paper tests this hypothesis by analyzing clustering of trading activity in DAX index options. Contracts with identical maturities cluster around particular classes of strike prices. For example, options with strikes ending on 50 are less traded than options with strikes ending on 00. The degree of substitution between options with neighboring strikes depends on the strike price grid and options’ characteristics. Our empirical analysis finds a positive relation between clustering and substitutiability between option contracts, providing support to the initial hypothesis.

Keywords: Clustering; Incidental Truncation; Index Options; Volume. (search for similar items in EconPapers)
JEL-codes: C24 G10 (search for similar items in EconPapers)
Pages: 35 pages
Date: 2005-03, Revised 2005-03
New Economics Papers: this item is included in nep-fin
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