Is market fragmentation harming market quality?
AbstractWe examine how fragmentation is affecting market quality in US equity markets. We use newly available trade reporting facilities (TRFs) data to measure fragmentation, and we use a variety of empirical approaches to compare execution quality and efficiency of stocks with more and less fragmented trading. We find that fragmentation affects all stocks; more fragmented stocks have lower transactions costs and faster execution speeds; and fragmentation is associated with higher short-term volatility but greater market efficiency, in that prices are closer to being a random walk. Our results that fragmentation does not appear to harm market quality are consistent with US markets being a single virtual market with multiple points of entry.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of Financial Economics.
Volume (Year): 100 (2011)
Issue (Month): 3 (June)
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Web page: http://www.elsevier.com/locate/inca/505576
Market microstructure Security market regulation Market efficiency;
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