首先基金公司报的都是净回报,除非有withholding tax。
比如美国基金管理公司管理的共同基金如果投了外国股票,股票红利有时会有withholding tax的,允许把withholding tax放回来算回报。这是GIPS许可的,原因是你可以报税时算回来。
'40 Act Fund监管很严的,搞砸了关门、关人。
把BayFamily算的验证了一下,供参考
Date | SP500 Tot Rt Idx | Year Tot Rt | Fund Fee | Fund Net Return | Year PnL | YE Contribution | YE Balance |
1/4/1988 | 256.02 | 7,000 | 7,000 | ||||
12/30/1988 | 288.12 | 12.54% | 0.25% | 12.29% | 860 | 7,313 | 15,173 |
12/29/1989 | 379.41 | 31.68% | 0.25% | 31.43% | 4,770 | 7,627 | 27,570 |
12/31/1990 | 367.63 | -3.10% | 0.25% | -3.35% | -925 | 7,979 | 34,624 |
12/31/1991 | 479.63 | 30.47% | 0.25% | 30.22% | 10,462 | 8,475 | 53,561 |
12/31/1992 | 516.18 | 7.62% | 0.25% | 7.37% | 3,948 | 8,728 | 66,236 |
12/31/1993 | 568.20 | 10.08% | 0.25% | 9.83% | 6,510 | 8,994 | 81,740 |
12/30/1994 | 575.70 | 1.32% | 0.25% | 1.07% | 875 | 9,240 | 91,855 |
12/29/1995 | 792.04 | 37.58% | 0.25% | 37.33% | 34,288 | 9,240 | 135,383 |
12/31/1996 | 973.90 | 22.96% | 0.25% | 22.71% | 30,747 | 9,500 | 175,629 |
12/31/1997 | 1298.82 | 33.36% | 0.25% | 33.11% | 58,156 | 9,500 | 243,285 |
12/31/1998 | 1670.01 | 28.58% | 0.25% | 28.33% | 68,920 | 10,000 | 322,205 |
12/31/1999 | 2021.40 | 21.04% | 0.25% | 20.79% | 66,990 | 10,000 | 399,195 |
12/29/2000 | 1837.36 | -9.10% | 0.25% | -9.35% | -37,343 | 10,500 | 372,352 |
12/31/2001 | 1618.98 | -11.89% | 0.25% | -12.14% | -45,187 | 10,500 | 337,665 |
12/31/2002 | 1261.18 | -22.10% | 0.25% | -22.35% | -75,469 | 11,000 | 273,196 |
12/31/2003 | 1622.94 | 28.68% | 0.25% | 28.43% | 77,681 | 12,000 | 362,877 |
12/31/2004 | 1799.55 | 10.88% | 0.25% | 10.63% | 38,581 | 13,000 | 414,459 |
12/30/2005 | 1887.94 | 4.91% | 0.25% | 4.66% | 19,321 | 14,000 | 447,780 |
12/29/2006 | 2186.13 | 15.79% | 0.25% | 15.54% | 69,605 | 15,000 | 532,385 |
12/31/2007 | 2306.23 | 5.49% | 0.25% | 5.24% | 27,917 | 15,500 | 575,802 |
12/31/2008 | 1452.98 | -37.00% | 0.25% | -37.25% | -214,472 | 16,000 | 377,329 |
12/31/2009 | 1837.50 | 26.46% | 0.25% | 26.21% | 98,914 | 16,500 | 492,743 |
12/31/2010 | 2114.29 | 15.06% | 0.25% | 14.81% | 72,992 | 17,500 | 583,235 |
12/30/2011 | 2158.94 | 2.11% | 0.25% | 1.86% | 10,859 | 18,000 | 612,094 |
12/31/2012 | 2504.44 | 16.00% | 0.25% | 15.75% | 96,425 | 18,000 | 726,519 |
12/31/2013 | 3315.59 | 32.39% | 0.25% | 32.14% | 233,492 | 18,000 | 978,011 |
12/31/2014 | 3769.44 | 13.69% | 0.25% | 13.44% | 131,429 | 18,000 | 1,127,439 |
12/31/2015 | 3821.60 | 1.38% | 0.25% | 1.13% | 12,782 | 18,000 | 1,158,222 |
12/16/2016 | 4312.40 | 12.84% | 0.25% | 12.59% | 145,852 | 18,000 | 1,322,074 |
数据来源:Bloomberg SPXT Index (最早的是1/4/1988,权当是12/31/1987数吧,最晚12/16/2016)
基金费用:0.25%/年 (看看 VFINX,费用约0.15%,大概连Tracking Error也能打进去了吧?新的VFIAX费用只有0.05%/年)
假定:从1987年起,每年年底一次投满,distribution再投资。
算例:1987年底投7,000,到1988年底净回报率12.29%,PnL = 7,000×12.29% = 860,7,000(上年底结余)+860(本年增减)+7,313 (本年底新投)= 15,173。余类同。
这个与我自己的经验基本符合(本人退休计划基本上是set it and forget about it)