Explanation:
Peer group comparisons are generally less reliable due to several issues, most notably survivorship bias. Survivorship bias occurs because funds that perform poorly are typically closed or merged, meaning only the "surviving" successful funds remain in the peer group over a five-year period. This artificially inflates the average performance of the peer group. Additionally, peer groups might include funds with different sizes, risk constraints, or niche focuses.
Option A is incorrect because the S&P 500 is a broad market index and not an appropriate benchmark for a technology-focused sector fund. The outperformance could simply be due to the sector's performance as a whole. Options B and C are incorrect because alpha measures risk-adjusted excess return and does not act as proof of the fund being riskier (beta measures market risk), nor does simple regression easily isolate the definitive impacts of leverage versus pure managerial skill.
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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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