A benchmark is a standard against which the performance of a portfolio is measured.
Common benchmarks include stock indices like the S&P 500 or FTSE 100.
Why a Custom Benchmark is Required
When a portfolio spans several different asset classes, such as equities, fixed income, and alternative investments, a single pre-defined benchmark may not be sufficient.
A custom benchmark aligns with the specific composition and strategy of the portfolio, ensuring that performance is evaluated accurately.
Key Reason for Custom Benchmark
It reflects the diversity and allocation of the portfolio across asset classes.
Example: If a portfolio is 50% equity, 30% fixed income, and 20% real estate, the benchmark must reflect this mix, combining indices like MSCI World, Bloomberg Barclays Bond Index, and a real estate index.
ICWIM Study Material, Chapter on Performance Measurement: Highlights the necessity for custom benchmarks in multi-asset portfolios.
CFA Institute Standards: Custom benchmarks are required for complex portfolios spanning various classes.
ReferencesThus, the answer is D. The portfolio spans several different asset classes.
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