1. Long positions, commonly known as long positions, generally mean that investors are bullish in the futures market and then buy futures contracts to earn profits after the price rises. In addition, in all the receipts and payments of the day, the income is greater than the expenditure, which is called multi-position. If the pay is greater than the income, it is called a short position.

2. Long position means that investors are optimistic about the trend of the market, so they buy first and then sell to earn profits or price difference; Short position means that investors or speculators regard the future trend as a decline, so they throw out their securities and wait for an opportunity to buy them.