Many times, you can't hold a contract in a certain pattern. You have to leave after you have made a certain profit. From 2017 to now, the contract has suffered a lot of losses. It won't work if you hold a certain pattern. So we have to achieve compound interest and take one step at a time. Strictly manage positions and manage principal#5月市场关键事件 #香港加密货币ETF #BTC下跌分析