国际黄金交易是利用资金杠杆原理进行的一种合约式买卖。根据国际黄金保证金合约的交易标准,利用一盎司的价格购买一百盎司的黄金的交易权。利用这100The trading rights of ounces of gold are bought up and sold down, earning a profit margin in the middle. And if the price difference is fully replenished, physical gold can be extracted, with the lowest100ounce.