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Using a sample that post-dates important regulatory changes in Europe, we show that a buy recommendation from an analyst on a “consensus sell” stock is, on average, sufficient to cause the stock to start to rise in value. Similarly, a sell recommendation on a “consensus buy” stock can...
Persistent link: https://www.econbiz.de/10013146416
We provide some new tools to evaluate trading strategies. When it is known that many strategies and combinations of strategies have been tried, we need to adjust our evaluation method for these multiple tests. Sharpe Ratios and other statistics will be overstated. Our methods are simple to...
Persistent link: https://www.econbiz.de/10012904784
Stock characteristics have two sources of predictive power. First, a characteristic might be valuable in identifying high or low expected returns across industries. Second, a characteristic might be useful in identifying individual stock expected returns within an industry. Past studies...
Persistent link: https://www.econbiz.de/10013321780
Turning points are the Achilles' heel of time-series momentum portfolios. Slow signals fail to react quickly to changes in trend while fast signals are often false alarms. We examine theoretically and empirically how momentum portfolios of various intermediate speeds, formed by blending slow and...
Persistent link: https://www.econbiz.de/10013250406