Article Abstract:
This article investigates whether differences in information-based trading can explain observed differences in spreads for active and infrequently traded stocks. Using a new empirical technique, we estimate the risk of information-based trading for a sample of New York Stock Exchange (NYSE) listed stocks. We use the information in trade data to determine how frequently new information occurs, the composition of trading when it does, and the depth of the market for different volume-decile stocks. Our most important empirical result is that the probability of information-based trading is lower for high volume stocks. Using regressions, we provide evidence of the economic performance of information-based trading on spreads. (Reprinted by permission of the publisher.)
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Article Abstract:
An econometric time-series model of off-board trading of NYSE-listed stocks shows that high NYSE commission rates were an incentive for third-market trading but that trading on the regional exchanges, which is most of the off-board trading, has been affected very little by commissions or their deregulation. The effects of some changes in the trading organization and rules are estimated, including several that are part of the emerging National Market System. The estimates imply that the NMS has increased competition for the NYSE, as Congress intended, and has prompted the NYSE to improve its performance to retain market share. (Reprinted by permission of the publisher.)
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Article Abstract:
This research empirically investigates the relation between common stock and call option trading volumes. The paper hypothesizes and tests a sequential flow of information between the stock and option markets. If information trading for CBOE-listed firms is predominantly accomplished through option trading, then existing research methodologies may be biased against finding any significant economic consequences in those instances where option listing is an important variable. Results indicate that trading in call options leads trading in the underlying shares, with a one-day lag. (Reprinted by permission of the publisher.)
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