当然不能直接用平均5%,至少每年5%p.a. 或者同样用年利率的算法才能比较
如果我知道以下,然而想找到Number years held?应该怎样搬?
如果我知道以下,然而想找到Number years held?应该怎样搬?
Annualized Return = ((Ending value of investment / Beginning value of investment) ^ (1 / Number years held)) - 1
4.99 = ((23110.31 / 14202.26) ^ (1 / Number years held)) - 1 4.99 = ((1.6272) ^ (1 / Number years held)) - 1
1 + 4.99 = ((1.6272) ^ (1 / Number years held))
5.99 = ((1.6272) ^ (1 / Number years held))
之后要怎样?
1.0499 = ((1.6272) ^ (1 / Number years held))
log 1.0499 = log ((1.6272) ^ (1 / Number years held))
log 1.0499 = (1 / Number years held) log 1.6272
Number years held = log 1.6272 / log 1.0499
谷歌搜到的