Weak-form efficiency is 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.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). weak-form efficiency. Retrieved September 25, 2026, from http://smartdefine.org/weak-form_efficiency/definitions/1166427 |
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