The simple explanation is that you can make an appointment to buy this wealth management product during the fundraising period. After this period, you can't subscribe or buy.

Usually, wealth management products also involve an open period, that is, you can continue to buy and sell products within the agreed time, that is, you can purchase or redeem them.

Extended data:

Wealth management products, that is, products designed and issued by commercial banks and formal financial institutions themselves, are a kind of wealth management products that invest the raised funds in relevant financial markets, purchase relevant financial products according to product contracts, and then distribute them to investors according to contracts.

References:

Baidu wealth management products encyclopedia