Dollar Cost Averaging has been widely discussed as an effective method for regular investing in the stock market. The DCA strategy involves buying less shares when prices are high and more when prices are low. This negates the need for market timing and is one of the reasons why the strategy is...

I investigate whether the relation between investor sentiment and profitable trading strategies is due to short sale constraints. I find that the average security in these strategies is not hard-to-short. Furthermore, the short leg does not appear to be harder to short or more overvalued than...

In contrast to studies that focus on investment accounts, this study examines local bias in investor attention by analyzing messages posted by investors on China's Internet stock message boards. We find that individual investors pay more attention to stocks of local companies than to those of...

Systematic, rules-based investment strategies are where academia and practice are currently interacting strongly. My objective in this editorial is to offer some thoughts on research on systematic investing, including three articles in this issue, that can provide significant practical benefits...

In this paper we introduce a new jump-diffusion model for stock prices, which takes into account over and under-reaction of the market to incoming news. The jumps' impact on the assets dynamics is twofold: on one hand we use a Poisson process as a driver to obtain discontinuous trajectories and...

ETFs attract a larger proportion of institutional investors than do the underlying markets. The price of an ETF will deviate from the price of the underlying, if institutional investors are less prone to investor sentiment-driven mispricing, than are retail investors. We employ a unique...

Stock momentum, long-term reversal, and other past return characteristics that predict future returns also predict future realized betas, suggesting these characteristics capture time-varying risk compensation. We formalize this argument with a conditional factor pricing model. Using...

I study the market for lending and borrowing securities in the United States. I find that by making securities available for borrowing, mutual funds acquire information about short selling, which they exploit for trading. Funds with discretion in their investment choices rebalance their...

Recent evidence shows that investor sentiment is a contrarian predictor of stock returns with speculative stocks earning lower (higher) future returns than safe stocks following high (low) sentiment states. We extend this argument by conditioning expected stock returns on sentiment dynamics and...

We provide strong evidence that the dispersion of individual stock options trading volume across moneynesses (IDISP) contains valuable information about future stock returns. Stocks with high IDISP consistently underperform those with low IDISP by more than 1% per month. In line with the idea...