Portfolio beta given weights 0.6 and 0.4 and betas 1.3 and 0.5 equals what?

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Study for the Finance and Investment Challenge Test. Approaches include flashcards and multiple-choice questions with hints and explanations. Ready yourself to ace the exam!

Multiple Choice

Portfolio beta given weights 0.6 and 0.4 and betas 1.3 and 0.5 equals what?

Explanation:
The main idea here is that a portfolio’s beta is the weighted average of the betas of its components. Each asset’s beta is scaled by how much of the portfolio it represents, and then those contributions are summed. Compute the contributions: 0.6 × 1.3 = 0.78 and 0.4 × 0.5 = 0.20. Add them together: 0.78 + 0.20 = 0.98. So the portfolio beta is 0.98. This means the portfolio’s value is expected to move about 0.98% for every 1% move in the market, slightly less than the market because part of the portfolio is held in the lower-beta asset.

The main idea here is that a portfolio’s beta is the weighted average of the betas of its components. Each asset’s beta is scaled by how much of the portfolio it represents, and then those contributions are summed.

Compute the contributions: 0.6 × 1.3 = 0.78 and 0.4 × 0.5 = 0.20. Add them together: 0.78 + 0.20 = 0.98. So the portfolio beta is 0.98.

This means the portfolio’s value is expected to move about 0.98% for every 1% move in the market, slightly less than the market because part of the portfolio is held in the lower-beta asset.

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