1. The calculation method of "basic deposit of current position" in the daily statement of personal gold extension Au(T+D) contract of China Industrial and Commercial Bank is: for gold extension Au(T+D), basic deposit of current position = number of positions after closing at the end of today * 1000* settlement price today * deposit ratio.

2. Precious metal deferred settlement business, like other investment products, has high returns and hidden high risks. Do not use 100% of the available funds as a margin to postpone the transaction.

3. installment trading, traders can choose to deliver or postpone delivery on the contract trading day, and introduce a deferred compensation mechanism to stabilize the contradiction between supply and demand. This trading mode can provide hedging function for gold producers and users, and also meet the investment needs of investors, with low investment cost and high market liquidity; At the same time, it also provides investors with a short-selling mechanism and trading platform, which is suitable for investment and financial management.