In finance, technical analysis is an analysis methodology for analysing and forecasting the direction of prices through the study of past market data, primarily price and volume.[1] As a type of active management, it stands in contradiction to much of modern portfolio theory. The efficacy of technical analysis is disputed by the efficient-market hypothesis, which states that stock market prices are essentially unpredictable,[2] and research on whether technical analysis offers any benefit has produced mixed results.[3][4][5] It is distinguished from fundamental analysis, which considers a company's financial statements, health, and the overall state of the market and economy.
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