1, the stock index was launched less than a year ago, and the market mechanism is still immature.

2. The reason why the country has set the threshold at 500,000, and it is rumored that it was launched in 2007 and released last year, also considering the risks, so most people are still kept out at present.

3. Futures are not launched for speculation, but for hedging and hedging risks.

When there is a tool to short the stock market, the stock market has a chance to be attacked.