B*s
2 楼
buy 2 to cover at 1863.25
B*s
3 楼
积分=(1869.0-1863.25)x2-0.4=11.10
B*s
6 楼
buy 2
B*s
7 楼
sell 2 at 1876.75
积分=(1876.75-1860.25)x2-0.4=32.6
总分=11.10+32.60=43.70
积分=(1876.75-1860.25)x2-0.4=32.6
总分=11.10+32.60=43.70
B*s
8 楼
sell 2 at 1880 (limit order)
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