#key
buy only after 16 sat
sell : (21 - 28) <----mid - (34 - 45 - 57 - 65) <----long
buy only after 16 sat
sell : (21 - 28) <----mid - (34 - 45 - 57 - 65) <----long
交易开始
交易开始
交易结束：到达目标
