1, ETF grid is a fund investment strategy, which is a portfolio composed of different types of ETFs in a certain proportion. The investment goal of ETF grid is to reduce risk and obtain higher return on investment by diversifying investment.

2. Convertible bonds are a kind of bonds, which can be converted into stocks, with a fixed interest rate and term, and also have certain equity attributes. The advantages of convertible bonds include: compared with ordinary bonds, convertible bonds have higher yield and can be converted into stocks to obtain higher return on investment.