At that time, the fund you bought with 1w was 1 yuan (unit net value) per share. After a while, it became 1.5 yuan. 1.5- 1=0.5 (unit net growth value), subscription fee 150 yuan, redemption fee 50 yuan (not exact, just an example), then your income is: your fund share is 10000 (actually less than/kloc-0. Give you a fund calculator, which is very easy to use. "U8 fund calculator"