Weak-form efficiency

weak-form efficiency
Market prices rapidly reflect all information contained in the history of past prices.
Efficiency Wage ...

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.

Compare weak-form efficiency and strong-form efficiency. "Send it in" Market language: "I bought your stock - 'send it in' (and possibly more).

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.

A depreciated dollar with respect to other currencies, meaning that more dollars are needed to buy a unit of foreign currency. Antithesis of strong dollar.
Weak-form efficiency ...

Definition: [crh] A form of pricing efficiency that profits the price of a security fully reflects all public informatDefinition: ion (including, but not limited to, historical price and trading patterns). Compare weak-form efficiency and ...

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.

Although weak-form efficiency allows for profitable fundamental analysis, it is not difficult to imagine a market that is less than weak form but still relatively efficient in some sense.

See also: Strong-form efficiency, Expense, Capital structure, Values, Bills