The red, green and gray of the fund represent the rise, fall and level of the fund respectively. The fund's return rate and the stock's rise and fall adopt the same color system, which is convenient for investors to see the fund's income on the same day intuitively through different colors. The red and green of the fund represents whether the fund is losing or earning on that day, that is, red represents the profit of the fund on that day, green represents that the fund has fallen to a certain extent on that day, and gray represents that the non-trading day or the net value has not changed.