International gold futures are also called "international gold futures contracts". Futures contracts that trade in gold. Like general futures contracts, international gold futures contracts also contain trading unit, quality grade, term, final expiration date, quotation method, delivery method, minimum range of price changes, limits of daily price changes, etc. International gold futures contracts can generally be divided into two specifications based on different units of measurement. Taking the Chicago Grain Exchange as an example, one is an international gold futures contract weighing 1,000 grams and with a purity of 99.5%, and the other is an international gold futures contract weighing 100 troy ounces. International gold futures with a purity of 99.5%.