What Is The 'Information Ratio - IR': Portfolio Returns Benchmark Volatility Excess Returns

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What Is The 'Information Ratio - IR': Portfolio Returns Benchmark Volatility Excess Returns

capital assets pricing model capital assets pricing model capital assets pricing model capital assets pricing model capital assets pricing model

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Umair Ahmed Umi

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What is the 'Information Ratio - IR'

The information ratio (IR) is a ratio of portfolio returns above the returns of
a benchmark (usually an index) to the volatility of those returns. The information ratio (IR)
measures a portfolio manager's ability to generate excess returns relative to a benchmark,
but also attempts to identify the consistency of the investor. This ratio will identify if a
manager has beaten the benchmark by a lot in a few months or a little every month. The
higher the IR the more consistent a manager is and consistency is an ideal trait.

Rp = Return of the portfolio

Ri = Return of the index or benchmark
Sp-i = Tracking error (standard deviation of the difference between returns of the portfolio
and the returns of the index)

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Benchmark
Excess Returns
Leverage
Mutual Fund Liquidity Ratio

BREAKING DOWN 'Information Ratio - IR'

A high IR can be achieved by having a high return in the portfolio, a low return of the index
and a low tracking error.
For example:
Manager A might have returns of 13% and a tracking error of 8%
Manager B has returns of 8% and tracking error of 4.5%
The index has returns of -1.5%
Manager A's IR = [13-(-1.5)]/8 = 1.81
Manager B's IR = [8-(-1.5)]/4.5 = 2.11

Manager B had lower returns but a better IR. A high ratio means a manager can achieve
higher returns more efficiently than one with a low ratio by taking on additional risk.
Additional risk could be achieved through leveraging.

What Is The 'Information Ratio - IR': Portfolio Returns Benchmark Volatility Excess Returns

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What Is The 'Information Ratio - IR': Portfolio Returns Benchmark Volatility Excess Returns

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What is the 'Information Ratio - IR'

Rp = Return of the portfolio

BREAKING DOWN 'Information Ratio - IR'

Read more: Information Ratio (IR) Definition |

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