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 efficiency is one of three types under this hypothesis, the others being semi-strong and strong forms. In weak form markets, prices reflect all historical information, leaving only new ...

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 ...