Multiple orders: In futures trading, holding futures contract positions is called holding positions. Among them, holding multiple positions is called holding multiple orders, which is referred to as holding multiple orders. Empty bill: in the foreign exchange and futures markets, even if there is no commodity, you can make a profit by selling it. Trading orders that sell goods short are called empty orders.

It is used in foreign exchange, futures market and stocks. The futures market is a place for futures trading and the sum of all kinds of trading relationships. It is a highly organized and standardized market form developed on the basis of the spot market according to the principle of "openness, fairness and justice". It is not only an extension of the spot market, but also another advanced development stage of the market. Even if there is no commodity, you can make a profit by selling it.