The calculation of capital preservation depends on the subscription fee of the fund. For example, the subscription fee for a fund is 1.5%. If an investor buys a fund with a net value of 1 yuan, the subscription fee is 1 0000×1.5% =150 yuan. The subscription fee will not be charged extra, but will only be deducted from the share, so investors can only get 9850 yuan at this time. At this time, the fund can't be sold until it rises by 1.6%, so we buy the fund to make money, so it's best to sell it after three or four points.

After buying a fund, the fund may not necessarily go up, or it may run in the opposite direction. If the fund is lost, investors can continue to hold it or make up their positions on the way down. If you make money, you can make a profit:

Valuation profit:

If you buy an index fund, you can lighten up on rallies when the fund is highly valued. There are usually pe/pb and PE/PB percentiles for reference valuation: when the PE/PB percentile is lower than 20%, it means it is underestimated; When the percentage of pe/pb is higher than 80%, it means it is overvalued.

Target rate of return: For example, the target rate of return for investors is 200%. When the funds they hold reach such high returns, they will strictly implement the operation. Everyone wants to sell at the highest point, but it is unrealistic.