withoutJuly: -356.24 yuanSeptember: 11,228.38 yuan
February: -5741.46 yuanSeptember: 11,228.38 yuanMay: -4260.08 yuan
August: -5766.84 yuanThe higher the frequency of buying and selling, the more you lose, or you have to watch less and move less.March: 7393.83 yuan