Shuangliu fund refers to a statistical method of data in the field of fund investment, which usually reflects the investment income and investment outflow of the fund. Among them, "inflow" refers to the total amount of funds bought by investors, and "outflow" refers to the total amount of funds redeemed by investors. By comparing "inflow" and "outflow", we can evaluate the fund's capital flow and the overall market situation. If the "inflow" is greater than the "outflow", the fund company will get more investment. On the contrary, "outflow" is greater than "inflow", which means that a large number of investors are redeeming funds, and the market situation may be unstable.

The dual flow of funds is very important for investors, because it can help investors better understand the overall trend of the fund market. By observing the double-flow data of the fund, investors can more accurately understand the trend of the fund and the attitude of investors, and further decide whether to increase or decrease the investment in a fund. In addition, the double-stream data of the fund can also provide reference and basis for investors to formulate more optimized investment strategies.

Double-stream data of funds are usually publicly released by fund companies, and can also be queried on the websites of third-party financial institutions. Investors can get the latest fund double-flow data on these websites, and make analysis and decision accordingly. It should be noted that the double-stream data of the fund is not a single factor to judge whether the fund is suitable or not. Investors still need to comprehensively consider the historical performance of the fund, management fees and other factors before making a final decision.