1, stock index futures mini-contracts, such as a stock index 1 00000 but a mini-hand only needs10000 or 50000, are widely used in foreign exchange, because a foreign exchange standard contract costs10000 dollars, but a mini-hand is his fraction.

2. It is worth noting that although the small contract is of small value, it still has the general characteristics of futures and options trading, such as large market fluctuation, short investment period, diversified trading strategies and high operation difficulty; At the same time, small contracts involve a wide range of investors, with large dispersion and relatively low risk tolerance. In this regard, some insiders suggest that the specifications of small contracts must be reasonably designed to reduce the impact of market manipulation on small contract futures trading, and at the same time strengthen the education of small and medium investors, which is also the need for the long-term and stable development of the domestic futures market.