The 30-minute upward two-center structure can end at any time and start a correction. Pay attention to whether the 863 retracement position will stop the decline. If it does not re-enter the center, it will be a good opportunity to buy three times. Near 863, the last short-term long opportunity, and then the market will have a correction, and the amplitude will not be small. #比特币行情走势分析 #BTC合约 #跟单带单