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A term used by brokerage houses to describe the amount you are in excess of the minimum margin requirements, based upon the last days closing prices of your portfolio.
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The realized volatility of a financial instrument over a given time period. Generally, this measure is calculated by determining the average deviation from the average price of a finan[阅读全文:]
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In statistics, when the standard deviations of a variable, monitored over a specific amount of time, are non-constant. Heteroskedasticity often arises in two forms, conditional and unc[阅读全文:]
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A slang term for a short-term disruption within a longer-term plan, goal, or trend. A hiccup can be used to describe the business actions of a particular company, a stock price downtur[阅读全文:]
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A tactic used by stock manipulators; they make small trades at high prices during the final minutes of trading to give the impression that the stock did very well.
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A stock that has seen its share price - and subsequently its valuation - rise to high multiples on metrics such as current earnings and current sales. Usually, the rise will happen qui[阅读全文:]
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A program trading platform that uses powerful computers to transact a large number of orders at very fast speeds. High-frequency trading uses complex algorithms to analyze multiple mar[阅读全文:]
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An exotic equity option belonging to a class known as mountain range options. Himalayan options are based on a basket of underlying securities, as opposed to the typical listed (vanill[阅读全文:]
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A technical indicator named after the famous crash of the German airship of the late 1930s. The Hindenburg omen was developed to predict the potential for a financial market crash. It [阅读全文:]
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The past performance of a security or index. Analysts review historical return data when trying to predict future returns, or to estimate how a security might react to a partic[阅读全文:]