(1) The daily mark-to-market system settles the transactions and positions of all accounts according to the contracts of different varieties and different months, so as to ensure that the gains and losses of each trading account can be timely, concretely and truly reflected, and provide a basis for timely adjustment of account funds and risk control.

(2) Because this system stipulates that one trading day is the longest settlement period, all the gains and losses of the transaction are required to be settled in time within one trading day to ensure that the debt phenomenon in the member's margin account does not exceed one day, thus controlling the market risk in a relatively minimum time unit of the whole trading process.