---
title: "Benchmark | Altss Glossary"
description: "A benchmark is a reference index, peer set, or target used to evaluate investment performance."
canonical: "https://altss.com/glossary/benchmark"
---

Performance Measurement

# Benchmark

Publisher: Altss LLCPublished 2026-01-05Content modified 2026-01-05

A benchmark is a reference index, peer set, or target used to evaluate investment performance.

**Allocator relevance:** **Benchmarks anchor performance evaluation, manager selection, and mandate fit—especially across vintages and strategy types.**

### Expanded Definition

Benchmarks provide context for whether performance reflects skill, risk-taking, market exposure, or simply favorable timing. In public markets, benchmarks are often clear indices. In private markets, benchmarking is more complex due to appraisal-based valuation, irregular cash flows, and wide dispersion across managers and vintages.

A high-quality benchmark aligns with the strategy’s risk profile, liquidity, and return drivers. Poor benchmark selection can create false confidence or unfair comparisons.

### How It Works in Practice

Allocators compare net and gross performance against relevant indices, peer quartiles, and strategy-specific references (e.g., private equity vs venture vs private credit). They often supplement benchmarks with attribution logic and scenario analysis to understand performance drivers.

### Decision Authority and Governance

Benchmarks are typically set through an Investment Policy Statement (IPS) and IC processes. Governance matters because benchmark changes can mask underperformance or shift accountability.

### Common Misconceptions

- One benchmark fits all strategies.

- Benchmark outperformance automatically implies alpha.

- Private market benchmarks are directly comparable to public indices.

### Key Takeaways

- Benchmark selection should match strategy risk and liquidity.

- Private market benchmarking requires vintage and peer context.

- Governance must prevent benchmark “moving targets.”

## Related terms

[Track Record](https://altss.com/glossary/track-record)[Alpha](https://altss.com/glossary/alpha)[Beta](https://altss.com/glossary/beta)[Investment Policy Statement (IPS)](https://altss.com/glossary/investment-policy-statement)[Vintage Year](https://altss.com/glossary/vintage-year)[Net IRR vs Gross IRR](https://altss.com/glossary/net-irr-vs-gross-irr)

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