For OTC funds, the rise and fall of the fund is related to the trend of the fund's subject matter, that is, when the trend of the fund's subject matter rises, it will promote the rise of the fund's net value, and when the fund's subject matter falls, it will lead to the decline of the fund's net value.

For on-site funds, the trend of the fund is not only influenced by the theme of the fund, but also by the trading volume in the market. When the buying quantity in the market is greater than the selling quantity, the fund price will rise, and conversely, the selling quantity is greater than the buying quantity, which will lead to the price decline.