1 is the main contract, with a large turnover, indicating good liquidity and quick turnover.

The software you ordered is also very important. If you place an order at the market price, the transaction will be quick, but it may not be a good price. If you place a price limit transaction, it means that the order you submit must be fast, otherwise the price will change when you submit it, and if there is a price difference, the transaction cannot be completed.

3 Your ordering software should be easy to use, and the lightning hand is good.

Therefore, if you look at the varieties with large positions and turnover, you can place an order at the market price, and you can use "Lightning Hand" and "Yisheng" software to place an order according to the price limit. Good software is also crucial.