Semistrong Form of the Efficient Markets Theory(redirected from Semistrong Efficiency)
Semistrong Form of the Efficient Markets Theory
A controversial model on how markets work. It states that the market efficiently deals with nearly all information on a given security and reflects it in the price immediately. The model holds that technical analysis, fundamental analysis, and any speculative investing based upon them, are useless because any facts that might cause technical or fundamental changes are already reflected in the security price. Investors and academics disagree on how well the model works. See also: Weak form of the EMT, Strong form of the EMT.
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