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Greenwashing is the act of distributing false information about something being more environmentally friendly than it actually is.

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In this video, Max discusses the cost-of-living crisis currently enveloping the UK. He examines its impact on households as well as the overall economy.

CSR and Sustainability in Financial Services

In the first video of this two-part video series, Elisa introduces us to sustainability. She begins by looking at the difference between sustainability and corporate social responsibility, two terms that can be easily confused.

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What is Beta?

What is Beta?

Abdulla Javeri

30 years: Financial markets trader

In the earlier video on the overview of linear regression, Abdulla explained the process of how to construct the regression line. In this video, Abdulla will discuss the related jargon used in financial markets and calculate the numbers for the regression line using Microsoft Excel functions.

In the earlier video on the overview of linear regression, Abdulla explained the process of how to construct the regression line. In this video, Abdulla will discuss the related jargon used in financial markets and calculate the numbers for the regression line using Microsoft Excel functions.

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What is Beta?

5 mins 38 secs

Key learning objectives:

  • Define beta

  • Understand how to calculate beta from a linear regression

Overview:

Beta is the relationship between an asset and the general return of the market. A positive beta means the asset’s value moves positively with the market and vice versa for assets with negative betas.

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Summary

What is beta?

Beta can be any positive or negative number. Positive means if one goes up, you expect the other one to generally go up as well. The convention is to assign a beta of plus one to the market itself. So, a stock with a beta of plus one should track the market.  A negative beta suggests that if one goes up, you expect the other one to generally go down. A beta of 0 implies that the stock or portfolio is insensitive to market movements.

Take another example. If the beta of the stock or portfolio is 1.20 and the market goes up by 1%, we expect the stock to go up by 1.20% and to fall by 1.20%, if the market fell by 1%. In effect we’re saying that it is 20% more volatile than the market. Clearly then, beta can also be seen as a measure of a stocks’ relative volatility compared to the market.

How is beta calculated from a linear regression?

Beta can be calculated as the slope of the regression line. Linear regression provides the line of best fit that defines the relationship between two variables in the form of a simple formula:

y = bx+ c

The result for y is an estimate or expected result. In financial markets, x and y are usually measures of return, and the slope of the regression line is referred to as beta. Beta is used in estimating the return for y given a return for x as well as an indicator of the relative volatility of the stock or portfolio compared to the market.

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Abdulla Javeri

Abdulla Javeri

Abdulla’s career in the financial markets started in 1990 when he entered the trading floor of the London International Financial Futures Exchange, LIFFE, and qualified as a pit trader in equity and equity index options. In 1996, Abdulla became a trainer for regulatory qualifications and then for non-exam courses, primarily covering all major financial products.

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