中 文 摘 要 本論文針對台灣上市公司股票,以移動停損方法作為投資策略,測試在不同的時段以不同多空停損率的組合,獲得正報酬之機率與報酬率之多寡,並測試大公司與小公司投資組合報酬率之差異,最後找出一組可行且穩定的投資組合.;Abstract This paper adopts the moving stop loss method as an investment strategy for the stocks of listed companies in Taiwan. It tests the probability and the rate of return that can be obtained by using different stop loss rates at different time periods. It also tests the returns of large companies and small-and-medium companies’ investment portfolios rate difference, and finally find a feasible and stable investment portfolio.