Weak form efficiency

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. Related: Semistrong form efficiency, strong form efficiency. The New York Times Financial Glossary

Financial and business terms. 2012.

Look at other dictionaries:

  • Weak Form Efficiency — One of the different degrees of efficient market hypothesis (EMH) that claims all past prices of a stock are reflected in today s stock price. Therefore, technical analysis cannot be used to predict and beat a market. Theoretical in nature, weak… …   Investment dictionary

  • weak-form efficiency — A pricing theory that the price of a security reflects the past price and trading history of the security. Theory implies that security prices follow a random walk. Related: semistrong form efficiency, strong form efficiency. Bloomberg Financial… …   Financial and business terms

  • semistrong-form efficiency — A form of pricing efficiency that profits the price of a security fully reflects all public information ( including, but not limited to, historical price and trading patterns). Compare weak form efficiency and strong form efficiency. Bloomberg… …   Financial and business terms

  • strong-form efficiency — A form of pricing efficiency, that posits that the price of a security reflects all information, whether or not it is publicly available. Related: Weak form efficiency , semi strong form efficiency . Bloomberg Financial Dictionary …   Financial and business terms

  • Strong-form efficiency — Pricing efficiency, where the price of a, security reflects all information, whether or not it is publicly available. Related: Weak form efficiency, semi strong form efficiency …   Financial and business terms

  • 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. The New York… …   Financial and business terms

  • Weak gravitational lensing — While the presence of any mass bends the path of light passing near it, this effect rarely produces the giant arcs and multiple images associated with strong gravitational lensing. Most lines of sight in the universe are thoroughly in the weak… …   Wikipedia

  • Price Efficiency — The premise that asset prices are efficient, to the extent that they already factor in or discount all available information. The theory of price efficiency follows from the efficient market hypothesis, which holds that since markets are… …   Investment dictionary

  • Commission on Economy and Efficiency — The Commission on Economy and Efficiency was a presidential commission appointed by President William Howard Taft between 1910 and 1913 to look at and propose reforms for the United States federal government. It is also known in government… …   Wikipedia

  • Efficient-market hypothesis — Financial markets Public market Exchange Securities Bond market Fixed income Corporate bond Government bond Municipal bond …   Wikipedia

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