We study the degree of overreaction and the relation of overreaction and psychological biases as well as financial consequences of overreaction in a controlled experimental setting with 104 participants. The majority of participants tend to overreact, however, the degree of overreaction is heterogeneous. A few subjects even underreact. We also measure the overconfidence of the participants with...

Many empirical studies document the value effect. One explanation is that investors overreact to growth aspects for growth stocks. We apply Stein's (1989) method to investigate whether the degree of overreaction differs between value and growth stocks using the implied volatility from option prices. A finding of overreaction for either value stocks or growth stocks would lend support to overrea...

Behavioral Finance aims to explain empirical anomalies by introducing investor psychology as a determinant of asset pricing. Two kinds of anomalies, namely underreaction and overreaction, have been established by an impressive record of empirical work. While underreaction defines a slow adjustment of prices to corporate events or announcements, overreaction deals with extreme stock price reacti...

We propose a concept of intraday overreaction characterized by intraday price movements which are corrected within the same trading day. It is a concept of relative overreaction in the sense that the price range within a trading day is large in comparison with the openclose return volatility. As a one-sided concept it allows to distinguish between upward and downward overreaction. A test for ov...

This paper challenges the research hypothesis that psychological factors and market sentiment can influence and alter the trajectory of state-owned equities. For this purpose, an overreaction analysis was performed in a wide data spectrum consisting of daily returns of 184 state-owned enterprises operating in countries from three continents, over a ten year period divided in five biannual test ...

Using “A” shares accessible only to local investors (who account for 99% of stock investors in China), this paper tests if short-horizon contrarian and intermediate-horizon investment strategies generate abnormal profits. We find statistically significant abnormal profits for both the arbitrage portfolio-investment strategies. Detailed analysis indicates that: (1) an absolute dominance of non-i...

We study the degree of individual and aggregate market overreaction in a dynamic experimental auction market. In 13 sessions with overall 101 students we find overreaction to new information both in stock price forecasts and transaction prices. Interestingly, market forces do not seem to help in lowering overreaction to new information in our setting. Moreover, we illustrate that subjects are n...

In this research, overreaction and underreaction have been studied by assessing profitability and excess returns of investment strategies and evaluating price adjustment speed in short and long terms. The results showed that the momentum investment strategies had higher annual returns in comparison to contrarian strategies in all short and long periods which led to confirmation of underreaction...