1. Account opening margin refers to the minimum deposit amount that a dealer requires customers to pay when opening a foreign exchange margin trading account. Minimum deposit for opening an account: 100 USD.

2. Trading margin refers to the margin required by the dealer when the customer enters the market to buy and sell gold, that is, at the beginning of the transaction. London gold: 1000 USD/lot, London silver: 650 USD/lot.

3. Maintenance margin refers to the minimum amount that the customer's margin can maintain the trading account to continue to hold open positions during the position holding process. When the margin ratio of the customer account is 30%, the system will forcibly close the position.

London gold: 300 USD/lot, London silver: 195 USD/lot.

4. Lock-in margin refers to a transaction in which the customer manufactures the same product and the same quantity, but in the opposite direction. Lock margin refers to the margin collected for the position of the locked position, and the lock margin in the system is collected unilaterally.

5. Available margin refers to the balance of the net margin of the customer's account minus the used margin.

6. Extra profits. When the margin ratio of the customer's account is less than or equal to 100%, a notice of additional margin will be received.

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