通过对我国商品期货市场上“即日交易者”交易频率和收益情况的研究,发现此类投资者中存在过度自信现象,且投资者的过度自信程度与其交易频率之间呈倒“U”型曲线关系。
This paper analyzes the trade frequency and gains of the day traders in commodity futures market of our country. It was found that overconfidence really exists in the day traders, and the degree of overconfidence and the trade frequency presents inversed U'curve.