Selling and closing: selling and opening positions, that is, shorting and shorting orders;
Buy and turn: buy and turn, that is, close the empty order;
Selling: selling, that is, closing positions and multiple positions;
The difference between Buyzhuan and Buyzhuan is that Buyzhuan is today's empty order, while Buyzhuan includes today's and previous empty orders;
The difference between selling to today and buying to transfer is that selling to today is multiple orders, and selling to transfer includes multiple orders today and before.
More questions can be found in Bohai Commodity Forum:
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