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We propose a protocol for identifying genuine risk factors. The underlying premise is that a risk factor must be related to the covariance matrix of returns, must be priced in the cross-section of returns, and should yield a reward-to-risk ratio that is reasonable enough to be consistent with...
Persistent link: https://www.econbiz.de/10012933462
Daily returns for stocks listed on the New York Exchange (NYSE) are not serially dependent. In contrast, order imbalances on the same stocks are highly persistent from day to day. These two empirical facts can be reconciled if sophisticated investors react to order imbalances within the trading...
Persistent link: https://www.econbiz.de/10012785422
Spreads, depths and trading activity for US equities are studied over an extended time sample. Daily changes in market averages of liquidity and trading activity are highly volatile, negatively serially correlated and influenced by a variety of factors. Liquidity plummets significantly in down...
Persistent link: https://www.econbiz.de/10012742920
Traditionally and understandably, the microscope of market microstructure has focused on attributes of single assets. Little theoretical attention and virtually no empirical work has been devoted to common determinants of liquidity nor to their empirical manifestation, correlated movements in...
Persistent link: https://www.econbiz.de/10012743582
The market micro-structure literature has typically focussed on single assets. Prior to this paper there has been virtually no empirical work on the common determinants of liquidity. This paper documents that quoted spreads, quoted depth and effective spreads co-move with market-wide and...
Persistent link: https://www.econbiz.de/10012788160
Daily returns for stocks listed on the New York Exchange (NYSE) are not serially dependent. In contrast, order imbalances on the same stocks are highly persistent from day to day. These two empirical facts can be reconciled if sophisticated investors react to order imbalances within the trading...
Persistent link: https://www.econbiz.de/10012739153
We focus on an intuitive measure of trading activity: the aggregate daily order imbalance, buy orders less sell orders, on the NYSE. Order imbalance increases following market declines and vice versa, which reveals that investors are contrarians in aggregate. Order imbalances in either...
Persistent link: https://www.econbiz.de/10012739182
In this paper, we focus on a previously unexplored but an intuitive measure of trading activity: the aggregate daily order imbalance, buy orders less sell orders, on the NYSE. Order imbalance increases following market declines and vice versa, which reveals that investors are contrarians on...
Persistent link: https://www.econbiz.de/10012786202
We study the effect of options trading volume on the value of the underlying firm after controlling for other variables that may affect firm value. The volume of options trading might have an effect on firm value because it helps to complete the market (allocational efficiency) and because the...
Persistent link: https://www.econbiz.de/10012725759
Market efficiency, the timely incorporation of information into prices, remains a central and controversial issue in finance. The short-horizon predictability of returns from past order flows is an inverse indicator of efficiency. We analyze this predictability for NYSE stocks that traded every...
Persistent link: https://www.econbiz.de/10012732072