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5270金融与交易中等数值题short

Return Maximization Under Variance Cap 5

题目

A fully invested long-only portfolio allocates weight w to asset 2 and 1-w to asset 1. Asset 1 has expected return 0.05 and volatility 0.025. Asset 2 has expected return 0.14 and volatility 0.12. Their correlation is 0.3. If portfolio variance must not exceed 0.006, what is the largest admissible weight on asset 2, and what expected return does that deliver?

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w_asset2

mean