Margin refers to the total amount of margin used by investors to offset margin, financial market value and margin trading profit, minus the investor's outstanding margin, relevant interest and margin trading fee account balance.

under the background of the lack of security deposit established by law, it is very necessary to discuss the types of security deposit, the types of security deposit, the types of security deposit, the types of security deposit, lease security deposit, decoration security deposit, the types of security deposit, the security deposit of creditor's rights claim, and the security deposit with no double refund effect, so as to clarify their respective legal effects. Investors need to pay their own funds when purchasing securities through market financing.

margin refers to that investors deposit part of their funds into financial institutions in order to handle certain financial business, as a guarantee for investors to fulfill certain obligations. Margin can be roughly divided into seven categories, including margin without double refund effect, margin, decoration margin, margin, lease margin, advance payment guarantee fund and reserve margin. In various financial product transactions, loan guarantees will be formulated according to the characteristics of financial products. For example, spot gold loan guarantees include additional loan guarantees, available loan guarantees, locked loan guarantees, maintenance guarantees, sales guarantees and account opening loan guarantees.