Strong-form efficiency
Pricing efficiency, where the price of a, security reflects all information, whether or not it is publicly available. |
Similar financial terms
Weak form efficiencyAccording to the Efficient Markets Hypothesis (EMH) the weak form is a form of pricing efficiency where the price of the security reflects the past price and trading history of the security. In such a market, security prices follow a random walk.
Semi-strong form efficiency
A form of pricing efficiency where the price of the security fully reflects all public information (including, but not limited to, historical price and trading patterns). Compare weak form efficiency and strong form efficiency.
Pricing efficiency
Also called external efficiency, a market characteristic where prices at all times fully reflect all available information that is relevant to the valuation of securities.
Marketplace price efficiency
The degree to which the prices of assets reflect the available marketplace information. Marketplace price efficiency is sometimes estimated as the difficulty faced by active management of earning a greater return than passive management would, after adjusting for the risk associated with a strategy and the transactions costs associated with implementing a strategy.
Capital market efficiency
Reflects the relative amount of wealth wasted in making transactions. An efficient capital market allows the transfer of assets with little wealth loss.
