Reasonable margin level plays a major role in the stock index futures market, and it makes the stock index futures trades at high efficiency and safety. 合理的保证金水平在股指期货交易市场中起到关键作用,使股指期货交易能够高效率和安全进行。
In part of passive investment strategy summarize passive investment, and introduces in detail the three major theoretical origin of passive investment, namely the modern portfolio theory, capital asset pricing theory, efficient market theory, as well as the index of the investment motivation and advantages. 在被动投资策略部分对被动投资进行概述,并详细介绍了被动投资的三大理论溯源,即现代资产组合理论、资本资产定价理论、有效市场理论,以及指数化投资的动因和优势。