Archive · 2 Jun 2025
Information Ratio: Measuring Fund Manager Skill and Consistency
The Information Ratio (IR) helps investors understand how good a fund manager is at picking investments.
It compares a fund's performance to a specific benchmark, like the NIFTY 50.
A higher IR means the manager consistently beats the benchmark with smart risk-taking.
It's calculated by dividing the extra return by the risk taken.
Investors use IR to compare similar funds, find funds with better risk-adjusted returns, and see how consistently a manager performs.
However, it only shows relative performance, depends on the benchmark used, and doesn’t account for market ups and downs or external events.
It is important for investors to consider the limitations before making financial decisions.
The Information Ratio (IR) assesses a fund manager's ability to generate excess returns compared to a benchmark.
IR is calculated as: (Portfolio Return – Benchmark Return) / Standard Deviation of Excess Return.
A higher IR indicates the fund manager consistently outperforms the benchmark with well-managed risk.
Investors use IR to compare funds, focus on risk-adjusted returns, and assess performance consistency.
Limitations of IR include its relative performance focus and dependency on the benchmark.
- Who
- Investors use the Information Ratio to evaluate fund managers.
- What
- The Information Ratio is a metric to assess a fund manager's skill in delivering risk-adjusted returns.
- When
- Investors can use it when selecting mutual funds.
- Where
- The Information Ratio applies to mutual fund investments.
- Why
- The IR helps investors compare funds, identify funds with superior risk-adjusted performance, and assess a manager’s consistency.
- Definition
- Measures a fund manager's ability to generate excess returns compared to a benchmark.
- Formula
- (Portfolio Return – Benchmark Return) / Standard Deviation of Excess Return
- Higher IR
- Indicates better risk-adjusted performance.
- Purpose
- To assess a fund manager's skill and consistency
- Benchmark Examples
- NIFTY 50 or BSE Sensex