Why is "Efficient market hypothesis" trending?
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Trend Analysis
- Ranking position: #
- Date: 2026-06-13 05:08:26
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
Trend Insight
Efficient_market_hypothesis entered the ranking for the first time today at position #. This is its highest position ever recorded.
Trend History
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-06-13 and was most recently seen on 2026-06-13.
Wikipedia Overview
The efficient-market hypothesis (EMH) is a hypothesis in financial economics that states that asset prices reflect all available information.
A direct implication is that it is impossible to "beat the market" consistently on a risk-adjusted basis since market prices should only react to new information.
Because the EMH is formulated in terms of risk adjustment, it only makes testable predictions when coupled with a particular model of risk.
As a result, research in financial economics since at least the 1990s has focused on market anomalies, that is, deviations from specific models of risk.
The idea that financial market returns are difficult to predict goes back to Bachelier, Mandelbrot, and Samuelson, but is closely associated with Eugene Fama, in part due to his influential 1970 review of the theoretical and empirical research.
The EMH provides the basic logic for modern risk-based theories of asset prices, and frameworks such as consumption-based asset pricing and intermediary asset pricing can be thought of as the combination of a model of risk with the EMH.
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