Super Finance Glossary
Over 10,000 financial glossary terms...
Weak-form Efficiency
Weak-form Efficiency
Definition: 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.
Definition: 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.