Explanation:
Peer group comparisons often suffer from significant biases, particularly survivorship bias, where funds that performed poorly are closed and excluded from the peer universe, artificially inflating the average historical returns of the peer group. Additionally, differences in fund size, strategy, and risk tolerance make peer groups a less reliable and accurate benchmark compared to a well-matched index. Option A is incorrect because outperforming a broad market index (S&P 500) with a sector-specific fund (technology) does not prove superior skill; the technology sector as a whole may have outperformed, so an appropriate technology benchmark should have been used. Option B is incorrect because alpha represents excess return adjusted for beta risk, not riskiness. Option C is incorrect as a simple linear regression does not definitively separate skill from leverage or other structural factors without more comprehensive multi-factor modeling.
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Q.6 Mark is an experienced portfolio manager with ABC Funds. His fund has a focus on the US technology sector. Over the past five years, Mark's fund has consistently outperformed the S&P 500. To evaluate the fund's performance, Mark has decided to use alpha, benchmarks, and peer groups as inputs in the performance measurement tools. Mark has conducted a linear regression analysis, regressing the excess returns of his fund against the excess returns of the S&P 500. This has produced an alpha output that is positive and statistically significant. Simultaneously, he conducted a similar analysis against the excess returns of a group of technology-focused funds, his peer group. Given this scenario, which of the following conclusions can Mark most reliably make?
A
The positive alpha indicates superior management skills compared to the S&P 500.
B
The positive alpha against the S&P 500 is surefire proof of Mark's fund being riskier than the market.
C
Mark can definitively separate the impact of his skill and leverage on the excess returns of his fund.
D
The regression analysis against the peer group provides a less reliable comparison due to potential survivorship bias and differences in fund sizes.
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