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In finance, the beta (β or market beta or beta coefficient) is a statistic that measures the expected increase or decrease of an individual stock price in proportion to movements of the stock market as a whole. Beta can be used to indicate the contribution of an individual asset to the market risk of a portfolio when it is
Using beta to evaluate a stock’s risk. Beta allows for a good comparison between an individual stock and a market-tracking index fund, but it doesn’t offer a complete portrait of a stock’s ...
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Beta is an important measure of one type of risk, but it doesn’t encapsulate all of a stock’s risk. Stocks are shares of real-life businesses , which subjects them to the economic fortunes of ...
In investing, downside beta is the beta that measures a stock's association with the overall stock market only on days when the market’s return is negative. Downside beta was first proposed by Roy 1952 [ 1 ] and then popularized in an investment book by Markowitz (1959) .
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For an investment that involves risk to be worthwhile, its returns must be higher than a risk-free investment. The risk is related to volatility. A measure of the factors influencing an investment's volatility is the beta. The beta is a measure of the risk arising from exposure to general market movements as opposed to idiosyncratic factors.
In investing, upside beta is the element of traditional beta that investors do not typically associate with the true meaning of risk. [1] It is defined to be the scaled amount by which an asset tends to move compared to a benchmark, calculated only on days when the benchmark's return is positive.