![]() Broadly, the results showed that small and medium size portfolios experiencing positive over reaction while larger size portfolios experiencing negative under reaction to information events in Indian equity market. But trading on noninformation days leads to reduction in behavioral error across all the portfolios with small size portfolios experiencing larger percentage of correction compared to medium and large size portfolios. It was observed that behavioral error increases across all the portfolio’s returns in the trading on information events with small size portfolios assuming larger behavioral error compared to medium and larger size portfolios. In the presence of high optimistic irrational sentiment, the correction in excess returns are higher in large cap portfolios compared to that in small and medium size portfolios and vice versa in case of high pessimistic irrational sentiment in the market even though the sensitivity is not linear across the portfolios. ![]() The analysis revealed that behavioral risk factor of the portfolios being inversely related to market size, indicating that the size effect observed as the price for behavioral risk prevailing in the market. The study observed significant presence of size effect in the portfolio returns which is not in line with the movement of market beta factor. Statistical techniques such as correlation analysis, Regression analysis and Principle Component Analysis were applied in this study. ![]() It also studied the market under reaction and over reaction to information events across size wise portfolios in Indian market over the period spanning from 2004 to 2016. This paper examined size effect and its linkages to behavioral risk. ![]()
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