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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 added in small quantity.
Beta is a way of measuring a stock’s volatility compared with the overall market’s volatility. By definition, the market as a whole has a beta of 1, and everything else is defined in relation ...
The overall market has a beta of 1.0, as it is the benchmark by which the varying returns of individual stocks are measured. So, a stock that is 20% less volatile than the overall market will have ...
β, Beta, is the measure of asset sensitivity to a movement in the overall market; Beta is usually found via regression on historical data. Betas exceeding one signify more than average "riskiness" in the sense of the asset's contribution to overall portfolio risk; betas below one indicate a lower than average risk contribution.
Cost of equity = Risk free rate of return + Beta × (market rate of return – risk free rate of return) where Beta = sensitivity to movements in the relevant market. Thus in symbols we have = + where: E s is the expected return for a security; R f is the expected risk-free return in that market (government bond yield); β s is the sensitivity ...
e. In the context of operational risk, the standardized approach or standardised approach is a set of operational risk measurement techniques proposed under Basel II capital adequacy rules for banking institutions. Basel II requires all banking institutions to set aside capital for operational risk. Standardized approach falls between basic ...
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) .
Risk parity (or risk premia parity) is an approach to investment management which focuses on allocation of risk, usually defined as volatility, rather than allocation of capital. The risk parity approach asserts that when asset allocations are adjusted (leveraged or deleveraged) to the same risk level, the risk parity portfolio can achieve a ...