報酬率計算 - 股票

By Heather
at 2017-11-13T11:34
at 2017-11-13T11:34
Table of Contents
各位巴菲特、李嘉誠好:
小弟最近放特休,想說結算一下十多年來的投資報酬率,可是有一個地方卡住實在
很痛苦 >_< 。請大家幫幫忙,拜託拜託。
我分年度計算報酬時,得到的結果如下:
92年 93年 94年 95年 96年 97年 98年 99年 100年 101年 102年 103年 104年
4.1% 24.1% 82.1% 44.4% 1.6% -29.8% 51.3% 11.4% 10.3% 32.8% 38.5% 10.2% 24.6%
105年
39%
乍看之下除了金融海嘯那年之外績效都不錯,可是為何我用這十幾年的總損益去算年化
報酬率時竟然只有可笑的3.8%?是我的公式設錯了嗎?還是這就是殘酷的真相?
我的總損益率是用 [(期末庫存-期初庫存)+現金收支損益]/(總投入金額+期初庫存)
計算,算起來大約是70%
年化報酬率公式: [(1+總損益率)^(1/14)]-1 *計算至106年
到底哪裡不對??
感謝大家~
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