Every 300 yuan. If the margin ratio is set to 10%, it will cost about 5350 * 300 *10% =160,000, and 8% is130,000. Man Cang wants to die, 1: 2 is the bold limit. It costs at least 300,000 yuan to do this, usually 1/3 or 1/4.

Conclusion: If you want to do stock index futures, you should prepare 300,000-500,000 yuan.