Beta and alpha [y = α + βx] - Deepstash

Beta and alpha [y = α + βx]

  • One is beta, a measure of a portfolio’s relative sensitivity to market movements.
  • The other is alpha, which I define as personal investment skill, or the ability to perform that is unrelated to movement of the market.

portfolio with a beta above 1 is expected to be more volatile than the market, and a beta below 1 means it’ll be less volatile.Multiply the market return by the beta and you’ll get the return that a given portfolio should be expected to achieve, omitting nonsystematic sources of risk.If the market is up 15 percent, a portfolio with a beta of 1.2 should return 18 %.

  y = α + βx

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Similar ideas to Beta and alpha [y = α + βx]

y = α + βx

Here α is the symbol for alpha, β stands for beta, and x is the return of the market. Th e market- related return of the portfolio is equal to its beta times the market return, and alpha (skill- related return) is added to arrive at the total return (of course, theory says there’s no such thing a...

How many beta readers do I need?

  • It’s a good idea to line up multiple beta readers.
  • Keep variety in mind when you search for your readers.
  • Based on the subject matter of your draft, you may also want to consider seeking out a sensitivity reader.
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Thus, it’s our goal to do as well as the market when it does well and better than the market when it does poorly. At first blush that may sound like a modest goal, but it’s really quite ambitious.

In order to stay up with the market when it does well, a portfolio has to incorporate good mea...

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