Rolling delivery means that after the contract enters the delivery month, the seller's customer holding the standard warehouse receipt and one-way selling position takes the initiative to propose, and the exchange organizes the two parties to complete the delivery within the specified time.

(1) Rolling delivery, customers apply for delivery, and members handle it on behalf of customers. The processing time is from the first trading day of the delivery month to the trading day before the last trading day of the delivery month.

(2) Carry out delivery matching according to the principle of "the buying position with declared delivery intention takes precedence, and the buying position with the longest holding time takes precedence".

(3) The settlement price of rolling delivery is the settlement price on the matching date.

(4) After the market closes on the matching day, the matching position is deducted from the position of the delivery month contract and is no longer limited by the position limit.

(5) After the market closes on the last trading day, the Exchange will match the positions in the delivery month by computer according to the principle of "minimum matching number".