Not suitable for jiacang. When the net value of the fund is higher than the cost of holding positions, adding positions will increase the cost of the fund. The high cost is not cost-effective for investors, and the risk is relatively large, so there is not much room for obtaining expected returns in the future.

When the net value of the fund is lower than the cost of holding positions, it is more suitable to add positions, which will reduce the cost of the fund. Low cost is more cost-effective for investors, with less risk, and more room for obtaining expected returns in the future.