Capture Ratio

The capture ratio is a measure of an investment’s performance, such as that of mutual funds, during periods when the market is moving up (bull market) and down (bear market).
What is Capture Ratio
3 min
09-December-2024

Capture ratio measures how well an investment, like a mutual fund, performs compared to its benchmark index during market ups and downs. Primarily, there are two types of capture ratios: the upside capture ratio, which shows how much of the market's gains the fund captures when the market is rising, and the downside capture ratio, which shows how much of the market's losses the fund experiences when the market is falling.

By using them together, investors can understand how effectively the fund manager deals with different market conditions. Also, the information obtained helps in assessing risk and performance.

Mutual funds offer a simple way for people to invest their money and potentially earn returns. But with so many mutual funds available, how do you choose the right one?

One tool that can help you in this process is called the capture ratio. Understanding capture ratio can help you evaluate how well a mutual fund performs in different market conditions. In this article, we will explore the concept of capture ratio, its types, and how you can use it to select the right mutual fund for your investment needs.

What is the Capture Ratio?

Capture ratio is a measure used by investors to assess how well a mutual fund performs compared to the overall market. It helps investors understand how a mutual fund behaves in both rising and falling markets. In simple terms, capture ratio indicates the fund's ability to capture the positive movements (upside) and negative movements (downside) of the market.

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What is a good capture ratio?

A good capture ratio occurs when an investment gains more value when the market is rising, i.e. during an uptrend, than it loses when the market is performing poorly, i.e. during a downtrend. In simple words, the fund benefits more from the rising markets and is less affected by the falling markets. This balance is what makes the investment attractive, as it indicates that the fund manager is effectively managing risk while still capturing growth.

The capture ratio is calculated by dividing the “upside capture ratio” by the “downside capture ratio”. A ratio greater than 1 is ideal, as it indicates strong risk-adjusted returns. However, if the ratio is negative, it can still be good if the negativity comes from a lower downside capture ratio, which means the fund loses less in falling markets.

Types of Capture Ratios

There are two main types of capture ratios:

  • Up-market or Upside capture ratio
  • Down-market capture ratio.

What is Up-market or Upside Capture Ratio?

The up-market capture ratio assesses how well an investment performs compared to a benchmark index during positive market conditions. A mutual fund with an up-market capture ratio exceeding 100 indicates it has outperformed the benchmark. For instance, a ratio of 108 means the fund has surpassed the index by 8%.

This ratio helps investors evaluate the reliability of fund managers and the products managed by them, especially those aiming for relative returns and active fund management instead of absolute returns.

What is Down-market or Downside Capture Ratio?

The down-market or downside capture ratio is the opposite of the up-market ratio. It measures how well an investment performs compared to a benchmark index during negative market conditions. If a mutual fund has a down-market ratio below 100, it means it performed better than the index. For example, a ratio of 92 indicates the investment lost only 92% as much as the benchmark.

Investors often consider the down-market capture ratio along with the up-market ratio. Sometimes, mutual funds with an up-market ratio below 100 still have a favourable down-market ratio.

Formula and calculation of Capture Ratio

The formulas for both the up-market and down-market capture ratios are expressed as follows:

Up-market or Upside capture ratio = (Mutual fund returns during a upside market)/(Benchmark index returns) X 100


An up-market capture ratio exceeding 100 is desirable because it signifies that the mutual fund outperformed the benchmark index during the chosen period.

For example, if the stock market rises by 10% during a specific period and the fund increases by 15%, the capture ratio would be 1.5.

Down-market or Downside capture ratio = (Mutual fund returns during a downside market)/(Benchmark index returns) X 100


A down-market capture ratio below 100 can be advantageous as it indicates that the mutual fund lost less than the benchmark index during the selected period.

Note: Before investing, you can also get an estimate of the future value of your mutual fund investments by using the Bajaj Finserv SIP Calculator, eventually helping you to make informed decisions.

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Important things to note about upside and downside capture ratios

  • If a fund's up-market and down-market ratios are both around 100, it means the fund performs similarly to its benchmark. The fund gains when the market rises and loses equally when the market falls.
  • If a fund's upside ratio is over 100, it tends to earn more than the market when prices are rising. However, this can also mean that the fund is riskier and might lose more than the market during downturns.
  • It must be noted that mutual funds with a particular asset class are compared to a specific index. Now, if the fund manager invests in assets that are different from the benchmark, the fund's upside and downside capture ratios will differ from the index.
  • A negative capture ratio suggests the fund gains when the market loses. Similarly, a negative upside or downside ratio indicates the fund moves contrary to the market. It goes up when the market falls and vice versa.

How to use Capture Ratios for mutual funds analysis

When deciding which mutual fund to invest in, capture ratios can be incredibly useful. The upside capture ratio reflects gains, while the downside capture ratio indicates losses experienced by the funds, aiding in mutual fund selection.

The main principle is to opt for a fund with greater gains, reflected by an upside capture ratio above 100, and fewer losses, denoted by a downside capture ratio below 100. In simpler terms, choose an investment with the highest upside ratio and the lowest downside ratio. It's essential to establish a goal for your fund and evaluate its performance accordingly.

For instance, Atul aimed for his fund to outperform the benchmark and achieve more gains. His fund achieved an up-market capture ratio of 140, signifying a 40% increase, thus meeting his objective. Conversely, Neha aimed for her fund to minimise losses. However, her fund couldn't achieve a down-market capture ratio below 100, remaining stagnant at 100. This indicates Neha's fund fell short of its goal.

Important things to note about capture ratio while assessing funds

Firstly, it is important to understand that capture ratios are mostly calculated for different periods like 1 year, 3 years, 5 years, and even 10 years. Investors must choose a capture ratio that matches their investment horizon. This helps them accurately assess how the fund might perform over their intended investment period.

Secondly, if both upside and downside capture ratios are close to 100, the fund will likely perform similarly to its benchmark during both:

  • Market upturns (bull markets)
    and
  • Downturns (bear markets)

Now, understand that if a fund has an upside capture ratio above 100, it usually gains more than the market during rising markets (bull markets). However, this higher sensitivity to market movements also means that the same fund might lose more than the market during falling markets (bear markets). This situation will lead to a downside capture ratio above 100.

At the same time, it must be noted that a low downside capture ratio doesn’t automatically mean a high upside capture ratio. Hence, when assessing these ratios, always compare the fund with an appropriate benchmark index to ensure accurate evaluation.

Also read: What is dearness allowance

Conclusion

Understanding capture ratio can help investors make informed decisions when selecting mutual funds. By analysing both up-market and down-market capture ratios, investors can gain insights into how a mutual fund performs in different market conditions.

However, it's essential to remember that capture ratios are just one of the many tools available for evaluating mutual funds. Investors should consider other factors such as risk tolerance, investment objectives, and fund expenses before making investment decisions. By combining these factors with capture ratios, investors can build a well-rounded investment portfolio that aligns with their financial goals and objectives.

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Frequently asked quetions

How do you calculate capture ratio?

There are two primary types of capture ratios: upside capture ratio and downside capture ratio. You can calculate them using the following formulas:

Upside Capture Ratio = (Fund's returns during rising markets)/(Benchmark returns during rising markets) x 100

This ratio measures how well the fund performs compared to its benchmark when the market is going up. For example, if the market goes up by 10% and the fund goes up by 12%, the ratio would be 120. This shows the fund’s performance in a bullish market.

Downside Capture Ratio = (Fund's returns during falling markets)/(Benchmark returns during falling markets) x 100

This ratio measures how well the fund performs compared to its benchmark when the market is going down. For example, if the market falls by 10% and the fund falls by 8%, the ratio would be 80. This indicates the fund’s performance in a bearish market.

How do you calculate upside capture ratio?

The upside capture ratio measures how much a fund gained during periods when the market was rising (bull market). To calculate it, divide the fund's returns by the market index's returns during these periods and multiply by 100. This shows how well the fund performed compared to the market in good times. Mathematically, we can represent the equation as:

Upside Capture Ratio = (Fund's returns during rising markets)/(Benchmark returns during rising markets) x 100

What does an up-market capture ratio greater than 100 indicate?

If the upside capture ratio is greater than 100, it means the fund performed better than the market during uptrends. For example, if the market gained 10% and the fund gained 12%, the upside capture ratio would be 120. This indicates the fund manager was able to outperform the market when it was doing well.

Why should investors consider both the up-market and down-market capture ratios?

Investors should look at both the up-market and down-market capture ratios to get a full picture of how a fund performs in different market conditions. By analysing both ratios, you can understand if the fund is good at capturing gains in positive markets and protecting against losses in negative markets. Also, this helps in evaluating the fund manager's overall effectiveness and how well they manage risk.

How does the up-market capture ratio differ from the down-market capture ratio?

The up-market capture ratio measures how well a fund performs when the market is going up by showing its ability to capture gains. Conversely, the down-market capture ratio shows how the fund performs when the market is falling by indicating how well it minimises losses. A combined analysis gives information related to the fund's behaviour in both positive and negative market environments.

What is a good up-market capture ratio for passive index funds?

For passive index funds, a good up-market capture ratio is close to 100. This indicates that the fund's performance closely matches that of the benchmark index in rising markets.

Moreover, since passive funds aim to replicate the index, a ratio near 100 shows that the fund is doing its job correctly by following the market's gains without significant deviation.

What does it mean if the up-market capture ratio is lower than the down-market capture ratio?

If the up-market capture ratio is lower than the down-market capture ratio, it means the fund performs better during market declines than during market uptrends. This suggests that the fund manager might be using a conservative strategy to protect against losses rather than focusing on maximising gains in rising markets.

How do analysts use the up-market capture ratio in their assessments?

Analysts use the up-market capture ratio to find fund managers who consistently do better than the benchmark when the market is rising. This way, it helps in evaluating the performance of managers who excel in good market conditions. Such an assessment is especially useful for funds aiming to outperform the market.

What is a capture ratio in mutual funds?

The capture ratio measures how well a mutual fund performs compared to a benchmark index during both bullish and bearish market phases. Also, it indicates whether the fund is beating or lagging behind the market. Such information helps investors understand its effectiveness in different market conditions.

What are the different types of capture ratios?

There are two main capture ratios: the upside capture ratio and the downside capture ratio. The upside capture ratio measures how well a fund performs when the market is rising. On the other hand, the downside capture ratio evaluates the fund’s performance during market declines. Together, they provide a full picture of how the fund handles both bullish and bearish market conditions.

What does an upside capture ratio of more than 100 signify?

An upside capture ratio above 100 means the fund gained more than the benchmark index when the market was rising. For example, if the market went up by 10% and the fund went up by 12%, the ratio would be 120. This indicates the fund outperformed the market during bullish periods.

Over what time periods are capture ratios typically calculated?

Capture ratios are usually calculated for various periods like 1 year, 3 years, 5 years, or 10 years. This allows investors to evaluate a fund’s performance over different time frames and see how it aligns with their own investment goals and time horizons.

How should capture ratios be used when assessing mutual funds?

When evaluating mutual funds, capture ratios should be used alongside other metrics and compared to the right benchmark index. This provides a clearer picture of the fund's performance. Moreover, by using these ratios with additional factors, investors and analysts gain a more comprehensive understanding of how well the fund is managed in different market conditions.

Can a mutual fund have an upside capture ratio over 100 and a downside capture ratio also over 100?

Yes, a mutual fund can have both an upside capture ratio and a downside capture ratio above 100. This means the fund might outperform the benchmark when the market is rising but could also lose more than the benchmark during market declines. In other words, it indicates that while the fund does well in positive markets, it might also be more volatile in negative markets.

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Bajaj Finance Limited (“BFL”) is an NBFC offering loans, deposits and third-party wealth management products.

The information contained in this article is for general informational purposes only and does not constitute any financial advice. The content herein has been prepared by BFL on the basis of publicly available information, internal sources and other third-party sources believed to be reliable. However, BFL cannot guarantee the accuracy of such information, assure its completeness, or warrant such information will not be changed. 

This information should not be relied upon as the sole basis for any investment decisions. Hence, User is advised to independently exercise diligence by verifying complete information, including by consulting independent financial experts, if any, and the investor shall be the sole owner of the decision taken, if any, about suitability of the same.