1. Inquire about the matching conversion ratio of graded funds: First, inquire at the bank; Second, inquire in securities companies; Third, check in the fund company. Generally, it is more accurate to query in the fund company, because the data of the other two parties also come from the fund company, so the data can be updated quickly.

2. Structured Fund, also known as "structured fund", refers to a fund variety with two levels (or multiple levels) of risk-return performance with certain differentiated fund shares through the decomposition of 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 = the net value of the A type sub-base X A share%+the net value of the B type sub-base X B share%. If the parent fund is not split, it is a general fund.