The term refers to the expiration date of the parent product and the child product.

"Parent-child wealth management products" usually refer to structured wealth management products, which consist of a parent wealth management product and one or more child wealth management products. Parent wealth management products are usually fixed-income products, while child wealth management products are invested according to the income of parent wealth management products.

The maturity date of the sub-fund refers to the maturity date of the parent fund or the sub-fund, indicating the end of the term of investment products.