Silver: Fixed margin400USD in one hand/5000Ounces, fluctuating0.01美元茴本,波动0.01USD profit and loss25USD, no spread, no excess.Night fee. BeautygoldFixed margin400USD in one hand/100Ounces, fluctuating0.2美元茴本,波动0.1USD profit and loss10USD, no spread, no excess.Night fee. Natural gas: Fixed margin400USD in one hand/10000mmBtuFluctuation0.·002USD return, fluctuating0.001USD profit and loss10USD, no spread, no overnight fee. 布伦特crude oilFixed margin400USD in one hand/1000Bucket, Fluctuation0.02USD return, fluctuating0.01USD profit and loss10USD, no spread, no overnight fee. Meijing Copper: Fixed margin400USD in one hand/25000Pound, fluctuation0.001USD return, fluctuating0.0005Profit and loss12.5USD, no spread, no overnight fee. Hang Seng Index: Fixed margin600USD in one hand/50港币,波动2港币回本,波动1Profit and loss of Hong Kong dollars50Hong Kong dollars, no spread, no overnight fee.