There are two kinds of settlement methods: hedging one by one and marking the market day by day, while futures trading adopts the debt-free settlement system of the day, and calculates the profit and loss of the day every day, that is, chooses the profit and loss calculation method of marking the market day by day. Calculation formula:

(1) Closing profit and loss = daily average warehouse profit and loss+historical average warehouse profit and loss.

Profit and loss of warehouse on the current day = difference between opening price and closing price on the current day × number of positions closed × trading unit (contract multiplier)

Average historical warehouse profit and loss = difference between closing price and yesterday's settlement price × number of positions closed × trading unit (contract multiplier)

(2) Position profit and loss (floating profit and loss) settled on a daily basis = current position profit and loss+historical position profit and loss.

Profit and loss of positions held on that day = difference between settlement price and opening price on that day × number of lots × trading unit.

Historical warehouse profit and loss = the difference between today's settlement price and yesterday's settlement price × lots × trading units.

(3) Profit and loss of the day = liquidation profit and loss+position profit and loss

(4) Available funds = customer's equity-security deposit occupation

(5) Risk = position margin occupation/customer's equity × 100%

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