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Efficient capital market |
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Efficient capital marketA market in which new information is very quickly reflected accurately in share prices.Efficient capital market Similar MatchesInternally efficient marketInternally efficient marketSee: Operationally efficient market Efficient marketEfficient marketEconomy in which prices correctly reflect all relevant information. Efficient market theoryEfficient market theoryThe theory that claims that the current price of a share reflects everything that is known about the company and its future earnings potential, and that is it impossible to beat the market consistently.Efficient market theory suggests that the army of analysts and fund managers in the City whose job is to actively manage superior-performing portfolios are engaged in a futile exercise because everything they find out is rapidly transmitted around the market, and share prices instantly reflect the common knowledge. In other words, no one can get one up on anyone else. And the logical extension of this is that passive funds - tracker and index funds - are the best place to park your money, because their management costs are much lower and they are mathematically structured to match the performance of their chosen index.Plenty of people disagree with efficient market theory, and their ranks include people like Warren Buffett who has consistently produced returns of over 20% on his portfolio over a 30 year period. Efficient marketEfficient marketA market in which, at a minimum, current price changes are independent of past price changes, or, more strongly, price reflects all (publicly) available information. Some believe foreign exchange markets to be efficient, which in turn implies that future exchange rates cannot profitably be predicted. Information Coefficient (IC)Information Coefficient (IC)The correlation between predicted and actual stock returns, sometimes used to measure the contribution of a financial analyst. An IC of 1.0 indicates a perfect linear relationship between predicted and actual returns, while an IC of 0.0 indicates no linear relationship. Further SuggestionsMinimum efficient scaleEfficient markets theory(EMT) Coefficient of determination Coefficient of Variation Correlation coefficient Gini Coefficient Efficient frontier Operationally efficient market Inefficient portfolio Efficient set Earnings response coefficient Regression coefficient Efficient allocation Efficient diversification |
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