2007
DOI: 10.2139/ssrn.855044
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Which Shorts are Informed?

Abstract: We use a long, recent panel of proprietary system order data from the New York Stock Exchange to examine the incidence and information content of various kinds of short sale orders. On average, at least 12.9% of NYSE volume involves a short seller. As a group, these short sellers are extremely well-informed. Stocks with relatively heavy shorting underperform lightly shorted stocks by a risk-adjusted average of 1.07% in the following 20 days of trading (over 14% on an annualized basis). Large short sale orders … Show more

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Cited by 333 publications
(463 citation statements)
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“…The relevance of the constrained portfolio optimization problem in Scenario 2 is supported by the fact that many institutional investors are forbidden by law from short selling. Furthermore, a recent study of Boehmer, Jones, and Zhang (2008) reveals that on the NYSE only up to 2% of short sales are undertaken by individual traders. Thus, we conclude that combining the precision of high-frequency data to measure realized volatility with a sensible timeseries model to forecast it, is a worthwhile strategy to pursue, as it has the potential of providing added economic value.…”
Section: Forecasting Resultsmentioning
confidence: 99%
“…The relevance of the constrained portfolio optimization problem in Scenario 2 is supported by the fact that many institutional investors are forbidden by law from short selling. Furthermore, a recent study of Boehmer, Jones, and Zhang (2008) reveals that on the NYSE only up to 2% of short sales are undertaken by individual traders. Thus, we conclude that combining the precision of high-frequency data to measure realized volatility with a sensible timeseries model to forecast it, is a worthwhile strategy to pursue, as it has the potential of providing added economic value.…”
Section: Forecasting Resultsmentioning
confidence: 99%
“…13 Asquith, Pathak and Ritter (2005) show that short interest rose dramatically from 1980 through 2003. Boehmer, Jones and Zhang (2006) report that short sales are 12.9% of NYSE volume during the period from January, 2000 through April, 2004, but that the percentage for the first four months of 2004 is 17.5%. They comment that short sales become "more prevalent as the sample period progresses."…”
Section: Resultsmentioning
confidence: 99%
“…Table 8 provides further evidence on the return predictability of short selling over the first month and the first three months of trading. Prior studies on short selling, for example, Diether, Lee, and Werner (2009a) and Boehmer, Jones, and Zhang (2008), find that the level of Table 6 Determinants of loan fees.…”
Section: The Cost Of Borrowing and Return Predictabilitymentioning
confidence: 99%