我们坐时光机，回到最衰时刻，最后一天都是最低点
: 1.ALL IN 0050
: 2.一半00631L，一半现金
: 4.加权报酬指数
时间订在2020/05/18买进，2021/05/17卖出
1.0050，83.15买进，126.5卖出，股息3.75
报酬率(126.5-83.15+3.75)/83.15=56.64%
2.00631L，42.89买进，99.1卖出，全年定存利率1%
报酬率(99.1-42.89)/42.89=131.06%
合计(131.06%/2+1%/2)=66.03%
: 4.加权报酬指数
110/05/17 29,698.31
109/05/18 20,084.97
(29,698.31-20,084.97)/20,084.97=47.86%
简单比较：2>1>4
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
时间订在2019/03/20买进，2020/03/19卖出
1.0050，78.5买进，68.55卖出，股息3.6
报酬率(68.55-78.5+3.6)/78.5=-8.09%
2.00631L，36.75买进，26.4卖出，全年定存利率1%
报酬率(26.4-36.75)/36.75=-28.16%
合计(-28.16%/2+1%/2)=-13.58%
: 4.加权报酬指数
109/03/19 16,228.60
108/03/20 18,824.92
(16,228.60-18,824.92)/18,824.92=-13.79%
简单比较：1>2>4
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
时间订在2018/01/05买进，2019/01/04卖出
1.0050，83.75买进，72.2卖出，股息3
报酬率(72.2-83.75+3)/83.75=-10.21%
2.00631L，36.43买进，29.37卖出，全年定存利率1%
报酬率(29.37-36.43)/36.43=-19.38%
合计(-19.38%/2+1%/2)=-9.19%
: 4.加权报酬指数
108/01/04 16,739.23
107/01/05 18,640.70
(16,739.23-18,640.70)/18,640.70=-10.2
简单比较：2>1>4