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May 07, 2017 | 12:00 | Dubai
The beta of the stock denotes the volatility of the stock in comparison with the market index usually which is taken to be 1. A beta lower than 1 indicates that the stock is less volatile as compared to the market ,while a beta higher than 1 indicates that the stock is more volatile than the market. A beta equal to 1 would indicate that the stock/security is as volatile as the market.
Suppose a stock has a beta of 1.3 ,this would mean numerically that the stock is 30% more volatile than the market . In the same way if the beta of a stock is 0.7 ,this would mean that the stock is 30% less volatile than the stock. Obviously, a beta less than 1 is by all means desired by the investors of the stocks.
Beta is a measure of the systematic risk of a portfolio (also known as the market risk ) and is not diversifiable since it is an uncertainty prevalent in the entire market segment. It is not limited to a particular business but is widespread across industries. It is the volatility or fluctuations in the price of the stocks on a day to day, monthly, yearly or even on a seasonal basis.
Such type of volatility can’t be avoided as it is always unforeseen ,and it can’t even be predicted with certainty .The best way to exemplify systematic risk is the unpredictable recession periods, like the great recession that hit the world (majorly USA ) in 2008.Such volatility can’t be avoided by methods such as diversification of stocks in the portfolio to counter or minimize the risk inherent in the portfolio of stocks. The ways to minimize this type of risk /volatility is hedging the risk by proper risk management or by deploying the right kind of asset allocation strategies.
Another method that could effectively work here is that asset classes are spread into stocks and bonds so that when the price of one falls , the price of the other one rises due to the changes in the interest rates ( since the relation between prices of stocks and bonds in inverse ). Other factors affecting beta might be the unforeseen contingencies like wars ,nuclear disasters, emergency ,floods, inflation risk that affects the entire economy overall and not just one sector.
In theory, beta is used (along with the risk free rate ), to calculate the market risk in the CAPITAL ASSET PRICING MODEL THEORY ,called the CAPM .It is generally considered that higher the risk, higher is the return !
Source: Trading Campus
Trading Campus specialises in creating hands-on knowledge of financial markets by delivering practical live market courses. We use simulators and 100+ trading strategies on a single platform. Focus is to train and upgrade market participants to global market standards by offering various modules on Algorithmic Trading, Technical Analysis, Fundamental Analysis, Portfolio & Risk Management.