| Summary: | 碩士 === 國立政治大學 === 財務管理研究所 === 94 === 80% investors in Taiwan Stock Market are individual investors. In that, their participations have great impacts to the stock market prosperity. This research focuses on the market crash which has happened since 1990 and tracks the individual investors’ trading activities of the following fifteen years.
In research we found that, although the market index has decreased 83% since Feb.12, 1990, there are 90% individual investors remained trading in the market. Besides, we found the individual investors who keep trading (the survivor) increase both in their trading frequency and in trading amount which shows the survivors play an important role in the stock market during the following years. In further analysis, we also found the survivors had greater responses to the rises and falls of the stock market than total market individual investors’ average.
When we analyze the survivors’ pre-crash characters, which showed survivors were those who had greater average trading frequency and average trading volume. Besides, there also existed big variances in the survivor group. Both evidences showed there existed survivors who were high trading frequency with low trading volume and those who were low trading frequency with high trading volume. These proved the prior research evidence of individual investors’ character that the return and trading frequency distribute as U shape in Taiwan stock market. Investors in highest trading frequency group and lowest trading frequency group could get better return to survive.
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