Here today, Hell tomorrow
Wednesday, March 9, 2011
年化報酬率公式
年化報酬率公式 = ( (期末金額 / 期初金額) ^ (1 / 年期) ) - 1
^ : 冪次方
Ex. 一開始以10萬元去投資, 3年後結束投資, 拿回 14萬. 年化報酬率為:
( 140000 / 100000 ) ^ ( 1 / 3 ) - 1 = 約 11.87%
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