The trading time for three days is from 9: 00 am to noon 12: 00 (Hong Kong time), and the trading time for the last trading day is from 9: 00 am to 1 1: 00 (Hong Kong time). Moreover, during the five trading days in Hong Kong up to the last trading day (including that day), each customer has a total of * * * 8,000 net contracts in all contract months, and the open positions of spot monthly contracts do not exceed 2,000 large open positions in any contract month, and each exchange participant has 500 open positions in his own account; In any contract month, each customer will settle 500 open contracts according to the mechanism and terms stipulated in the trading rules of currency futures contracts and clearing house rules. The seller will pay the dollar amount stipulated in the contract, while the buyer will pay the RMB amount calculated by multiplying the final settlement price, final settlement value and contract amount by the final settlement price and the third Wednesday of the contract month. If the day is not a Hong Kong business day, the final settlement date is the next business day, the last trading day of the contract, the final settlement price of two Hong Kong business days before the final settlement date, and the spot exchange rate fixing transaction fee of USD against RMB (Hong Kong) announced by Treasury Market Association on the morning of the last trading day 1 15 (calculated unilaterally for each contract). The fee of the futures exchange (RMB) is more than RMB 8.00, and the levy (calculated unilaterally for each contract) may change from time to time. The investor compensation levy shall be agreed by paying the commission at the rate or amount stipulated from time to time in the Securities and Futures Ordinance.