Total profit of the owner-total loss of the owner+total handling fee of the owner =0

Futures contracts are in pairs. If you have one more hand, you must have one free hand, so it is a zero-sum game.

Therefore, there are always people who earn and lose in futures.

In order to achieve long-term profitability, futures need a good firm attitude in addition to technical success. For traders with some preliminary knowledge, then fund management is a key and difficult point, and only after this pass can they be qualified traders. (Futures leverage is high, fund management is in place, and positions are not exploded)