Examlex
Which of the following statements is correct?
Semi-strong-form Efficient
Semi-strong-form efficiency is a class of market efficiency that posits that all public information is already reflected in stock prices, making it impossible to consistently achieve higher returns by trading on that information.
Historical Prices
The past trading prices of a security or commodity, often analyzed to identify trends and patterns for future trading decisions.
Variance
A statistical measure of the dispersion of data points in a data set around the mean, indicating the volatility and risk associated with a particular asset or investment.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how much the values in a data set differ from the mean of the data set.
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