Crude oil etf can't be short. For the crude oil funds on the market, T+0 trading rules are implemented, that is, investors can buy crude oil funds on the same day and sell them on the same day, while for the crude oil funds off the market, investors need to wait for the share confirmation before selling them.

At the same time, when the on-site crude oil fund is sold, its funds will be immediately transferred to the securities account, but it will not be withdrawn until the next trading day, and the fluctuation limit is10%; When buying and selling, a certain transaction commission is charged according to the transaction amount. According to different securities companies, the charging standards are different. When the trading commission is less than that in 5 yuan, it will be charged in 5 yuan.