What is the meaning of Efficient Market Hypothesis (EMH)?

Efficient Market Hypothesis (EMH) is a hypothesis that U. S. Equity markets are efficient.

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APABarry Goldsmith. (2010). Efficient Market Hypothesis (EMH). Retrieved September 24, 2026, from http://smartdefine.org/efficient_market_hypothesis_(emh)/definitions/1152789
ChicagoBarry Goldsmith. 2010. "Efficient Market Hypothesis (EMH)" http://smartdefine.org/efficient_market_hypothesis_(emh)/definitions/1152789 (accessed September 24, 2026).
HarvardBarry Goldsmith 2010, Efficient Market Hypothesis (EMH), Smart Define, viewed 24 September, 2026, <http://smartdefine.org/efficient_market_hypothesis_(emh)/definitions/1152789>.
MLABarry Goldsmith. "Efficient Market Hypothesis (EMH)" 21 October 2010. Web. 24 September 2026. <http://smartdefine.org/efficient_market_hypothesis_(emh)/definitions/1152789>