Questions / Quant research, Portfolio & factor risk

Aggregate factor exposures

Foundation, about 6 minutes. Question R027.

A portfolio puts 60% in a beta-1.5 asset and 40% in a beta-0.5 asset. What is portfolio market beta?

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Answer: 1.1 beta (11/10)

  1. Portfolio beta is the weighted sum: 0.6×1.5 + 0.4×0.5 = 1.1.

Interview shortcut. Portfolio beta is the weighted average of betas.

In the app this has a follow-up where one thing about the setup changes. Try the follow-up.

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