1. Opening a position means that the previous position is empty, and now the first operating position has been established in the market. The difference between them lies in the amount of funds and the way of operation;

2. Ordinary stocks have no leverage and the opening price is at a low level. At this time, they are bullish. If stocks want to get the same income as futures, they need to expand the capital order;

3. Futures don't necessarily open positions at a low level, because they can be short, high-priced positions can be short, and prices will fall for profit. Because of leverage, futures have greater profits and losses.