The soybean meal etf( 159985) is t+0, that is, investors can buy and sell on the same day. Therefore, investors can use their short-term trend to sell high and suck low to earn the difference. Only commission fee is charged when trading, and the rate is not more than three thousandths. Different securities companies have different rates, generally around three thousandths.

At the same time, investors can refer to the trend of soybean meal futures to buy and sell soybean meal ETFs, that is, if soybean meal rises in the futures market, investors can consider buying some soybean meal ETFs, and vice versa.