NO.PZ2018101901000026
问题如下：
Which of the following is not an assumption of technical analysis?
选项：
A.Security markets are efficient.
The security under analysis is freely traded.
Market trends and patterns tend to repeat themselves.
解释：
A is correct.
Technical analysis works because markets are not efficient and rational and because human beings tend to behave similarly in similar circumstances. The result is market trends and patterns that repeat themselves and are somewhat predictable.
技术分析的假设之一是“The market discount everything”，即市场反应了所有信息。这为什么是假设市场无效呢？
