Exposure to market risk is a core objective of the Capital Asset Pricing Model (CAPM) with a focus on systematic risk. However, traditional OLS Beta model estimations (Ordinary Least Squares) are plagued with several statistical issues. Moreover, the CAPM considers only one source of risk and...

An efficient market should not show any anomalies. When new information reaches a market which is efficient, it should automatically translate into prices of assets, which ought to eliminate the possibility of gaining an advantage over other investors, thus preventing excess profits. However,...

We document evidence consistent with retail day traders in the Forex market attributing random success to their own skill and, as a consequence, increasing risk taking. Although past performance does not predict future success for these traders, traders increase trade sizes, trade size...

The present study explores the effect of the gambler’s fallacy on stock trading volumes. I hypothesize that if a stock’s price rises (falls) during a number of consecutive trading days, then the gambler’s fallacy may cause at least some of the investors to expect that the stock’s price...

We use novel data on individual activity in a sports betting market to study the effect of past performance sequences on individual behavior in a real market. The revelation of fundamental values in this market enables us to disentangle whether behavior is caused by sentiment or by superior...

We develop a utility and asset pricing theory that features a novel measure of tail risk. Our model determines investor demand for both left and right-tail risk premia from an indifference curve incorporating tolerance for variance and tail risk. We show that the systematic tail risk factors...

Investors' perception of performance is biased because the relevant measure, returns, is rarely displayed. Major indices ignore dividends, inducing mechanical underperformance on ex-dividend days. Newspapers are more pessimistic on these days, consistent with mistaking the index for a return....

We examine whether initial returns influence investors' decisions to return to the stock market following withdrawal. Using a survival analysis technique to estimate Finnish retail investors' likelihood of stock market re-entry reveals that investors who experience lower initial returns are less...

Among other macroeconomic indicators, the monthly release of U.S. unemployment rate figures in the Employment Situation report by the U.S. Bureau of Labour Statistics gets a lot of media attention and strongly affects the stock markets. I investigate whether a profitable investment strategy can...

This paper analyzes three aspects of over-the-counter (OTC) stocks: (1) the recent trends in the OTC stock market structure and size; (2) the documented properties of OTC stocks; and (3) the differences in returns based on investor and stock characteristics. Approximately 10,000 OTC stocks were...