Military B grading fund is the split of index grading securities investment fund. Note: Fund split, also known as split fund, refers to a way to change the corresponding relationship between the net fund share and the total fund share and recalculate the fund assets on the premise of keeping the total assets of fund investors unchanged. After the fund is split, the original portfolio remains unchanged, the fund manager remains unchanged, the fund share increases, and the net value of unit share decreases.

The split of fund shares can reduce the net value of fund shares by directly adjusting the number of fund shares, without affecting the realized income, unrealized income and paid-in fund. StructuredFund, also known as "structured fund", refers to a fund variety with two levels (or multiple levels) of risk-return performance with a certain differentiated fund share by decomposing the fund income or net assets under a portfolio.

Its main feature is to divide the fund products into two or more types of shares and give different income distribution respectively. The sum of the products of the net value of each sub-fund of the graded fund and the share ratio is equal to the net value of the parent fund. For example, the net value of the parent fund split into two types of shares =% of the net value of the A-type subunit XA and% of the net value of the B-type subunit XB. If the parent fund is not split, it is a general fund.