The efficient market hypothesis is based on the notion that prices for securities or assets in a market are always reflective of all information available to investors. The efficient market ...

The idea that market prices reflect the latest data and information available to the public is known as price efficiency. Price efficiency refers to the idea that the price of a security or asset ...

Weak form market efficiency is a concept that suggests past stock prices and trading volumes do not predict future stock prices. In a weak form efficient market, all historical information is ...

In fact, the working definition that some commenters used ... that earnings yield will be equal to the cost of equity in an efficient market. One of the advantages of this very simple illustration ...