
Performance attribution reporting is a powerful tool for investors to analyze their portfolio's performance and make informed decisions. This type of reporting breaks down the performance of a portfolio into its individual components, providing a clear understanding of what drove the portfolio's returns.
By attributing the performance of a portfolio to specific factors, investors can identify areas of strength and weakness, and make adjustments to optimize their portfolio's performance. For example, a portfolio's return might be attributed to 30% from the overall market movement, 20% from the manager's stock selection, and 50% from the asset allocation.
With performance attribution reporting, investors can also compare their portfolio's performance to a benchmark, such as the S&P 500, to see how they're doing relative to the market. This can be a valuable exercise in evaluating the effectiveness of their investment strategy.
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Understanding Performance Reports
Performance reports can be overwhelming, but understanding their structure can make all the difference. The Performance Attribution Report contains two tables: Weighting by Sector and Returns and Attribution Effects by Sector.
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These tables provide a clear breakdown of how different sectors contribute to the overall performance. A similar approach is taken with the Performance Attribution Charts, which show two charts: the Cumulative Attribution Effect and the Attribution Effect.
The Cumulative Attribution Effect chart plots return percentage over time, giving you a visual representation of how performance has changed over the period. The Attribution Effect chart, on the other hand, breaks down the allocation, selection, and total attribution effect percentages for each period.
Understanding Performance Report Table
The Performance Report Table is a key part of the Performance Attribution Report, and it's divided into two main sections.
The first section is the Weighting by Sector table, which provides a clear breakdown of the sectors and their corresponding weights.
The second section is the Returns and Attribution Effects by Sector table, which shows the returns and attribution effects for each sector.
These two tables work together to give you a comprehensive view of the performance of your investments.
The tables are organized in a way that makes it easy to compare the performance of different sectors over time.
The Weighting by Sector table shows the percentage allocation of each sector, while the Returns and Attribution Effects by Sector table shows the actual returns and attribution effects for each sector.
This information is essential for understanding how your investments are performing and making informed decisions about your portfolio.
Here's a summary of the key information provided by the Performance Report Table:
Understanding the Charts
The Performance Attribution Report is packed with useful charts that help you make sense of your investment performance. The second page of the report shows two main charts: the Cumulative Attribution Effect and the Attribution Effect.
The Cumulative Attribution Effect is a line chart that plots return percentage over time, covering the entire time period of the report. This chart gives you a clear picture of how your investments have performed over time.
The Attribution Effect chart breaks down the allocation, selection, and total attribution effect percentages for each period in the report. This chart helps you understand which factors have contributed to your investment returns.
If you're looking for a more visual representation of your sector performance, the Performance Attribution Scatter Plot is a great tool. This scatter plot compares your sector weights and contribution to return with the S&P 500 for the period.
The scatter plot has four quadrants, each representing a different combination of sector weight and contribution to return. By analyzing the quadrant your sector falls into, you can quickly see whether it has under- or overperformed the S&P 500.
Here's a quick summary of the four quadrants:
These charts and the scatter plot are just a few of the tools available to help you understand your investment performance. By analyzing these charts and using the report's customization options, you can gain a deeper understanding of your fund performance and make informed investment decisions.
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Analyzing Investment Performance
Attribution analysis is a sophisticated method for evaluating the performance of a portfolio or fund manager, attempting to quantitatively analyze aspects of an active fund manager's investment selections and decisions.
It focuses on three factors: the manager's investment picks and asset allocation, their investment style, and the market timing of their decisions and trades. The manager's investment style reflects the nature of the holdings: low-risk, growth-oriented, etc.
Attribution analysis can be an effective tool to assess strategies for portfolio managers and investment firms, and for investors to assess the performance of fund or money managers.
Here's a breakdown of the attribution effects:
Returns by Sector
Analyzing investment performance requires a deep dive into the numbers, and one crucial aspect is understanding returns by sector.
The Returns and Attribution Effects by Sector table is a powerful tool for comparing your returns in each of the ten sectors, plus cash and unclassified, to those of the S&P 500.
This table lets you see why your returns in a particular sector were better or worse than those of the S&P 500, thanks to attribution effects.
The Period Return part of the table shows the absolute return percentage for each sector in your portfolio and for the S&P 500, and the difference between the two.
A positive difference indicates outperformance, while a negative difference shows underperformance.
The Contribution to Return part of the table measures the contribution of each sector to the overall return, using the formula: Period Return x Beginning Weight = Contribution to Return.
The attribution effect dissects the return and illustrates the reason for your outperformance or underperformance.
Here are the key components of the attribution effect:
- Allocation effect: measures whether the overweighting or underweighting of sectors relative to a benchmark contributes positively or negatively to the account's return.
- Selection effect: measures the account's ability to select securities within a sector relative to the benchmark.
A positive allocation effect occurs when the portfolio is overweighted in a sector that outperforms the benchmark, and underweighted in a sector that underperforms the benchmark.
A positive selection effect occurs if the account made better stock selections within the sector compared to the benchmark.
Passive Investment
Passive investments require careful management to earn their keep, as they must track a specific market index without adding additional costs.
Tracker funds, which are a type of passive investment, need to handle complexities in an efficient manner to provide accurate returns.
In order to do this, passive investments must be managed with precision, taking into account the intricacies of the market they're tracking.
This requires a deep understanding of the underlying assets and their performance over time.
By doing so, investors can rest assured that their passive investments are working towards their goals, without incurring unnecessary fees.
Passive investments are a popular choice for many investors, as they offer a low-cost alternative to actively managed funds.
For more insights, see: Equity Market Report
Performance Metrics and Calculations
Performance metrics and calculations are crucial for evaluating a portfolio's or fund manager's performance. This involves various calculations, including true daily time-weighted return calculations.
These calculations can be performed with fixed or dynamic return cash flow timing, allowing for flexibility in start, mid, or end-of-day based on tolerance or cash flow direction. This helps to accurately reflect the performance of the portfolio.
In addition to return calculations, attribution analysis also involves isolating returns adjusted for derivatives, cash, fees, and tax. This helps to provide a comprehensive view of the portfolio's performance.
Here are some examples of performance metrics and calculations:
- True daily time-weighted return calculations
- Fixed or dynamic return cash flow timing
- Inbuilt effective exposure, effective cash flow, and synthetic interest calculations for derivatives
- Isolation of returns adjusted for derivatives, cash, fees, and tax
- Unitized returns supporting estimate or final hard close values, growth, and distribution components and TER/MER gross adjustments
Benchmark Calculations
Benchmark Calculations are a crucial part of performance metrics and calculations. They help you understand how your portfolio is performing compared to a specific benchmark.
The Performance Attribution Report Table includes two tables, one for Benchmark Calculations, which allows you to import index returns or calculate them using index levels and market capitalization at total, sector or stock levels. This is supported at different levels, including total, sector, or stock levels.
You can also construct a custom benchmark with historical point-in-time re-weighting, which is a useful feature for investors who want to track their portfolio's performance over time. This allows you to exclude stocks or sectors for defined time periods, giving you a more accurate picture of your portfolio's performance.
Automatic support for de-compounding of infrequently provided periodic benchmark rates is also available, which helps to ensure that your benchmark calculations are accurate and consistent.
Here are the types of Benchmark Calculations supported:
- Import of provided index returns or calculation using index levels and market capitalization at total, sector or stock levels
- Custom benchmark construction with support for historical point-in-time re-weighting
- User defined index recalculation allows stocks or sectors to be excluded for defined time periods
- Automatic support for de-compounding of infrequently provided periodic benchmark rates
Performance Calculations
Performance Calculations are a crucial aspect of evaluating investment performance. True daily time-weighted return calculations are supported, allowing for accurate assessment of investment returns.
Fixed or dynamic return cash flow timing can be set for start, mid, or end-of-day based on tolerance or cash flow direction. This flexibility ensures that performance calculations are tailored to meet specific needs.
Inbuilt effective exposure, effective cash flow, and synthetic interest calculations for derivatives are also available. These calculations help investors understand the impact of derivatives on overall performance.
Returns can be isolated and adjusted for derivatives, cash, fees, and tax. This ensures that performance calculations are accurate and take into account all relevant factors.
Unitized returns support estimate or final hard close values, growth, and distribution components, as well as TER/MER gross adjustments. This level of detail provides investors with a comprehensive understanding of investment performance.

Here are some key performance calculation features:
- True daily time-weighted return calculations
- Fixed or dynamic return cash flow timing
- Inbuilt effective exposure, effective cash flow, and synthetic interest calculations for derivatives
- Isolation of returns adjusted for derivatives, cash, fees, and tax
- Unitized returns supporting estimate or final hard close values, growth, and distribution components and TER/MER gross adjustments
Understanding Scatter Plots
A scatter plot is a visual representation of data points, like the one in the Performance Attribution Report, which shows average weight versus percent contribution return for each sector.
This type of plot lets you quickly compare your sector allocation and return contribution to that of the S&P 500 for the given period.
The scatter plot has four quadrants, each representing a different combination of under- or overperformance.
In the Performance Attribution Report, the scatter plot is used to analyze how each sector's average weight and contribution to return compare to the S&P 500.
Each sector appears in one of the four quadrants based on its average weight and contribution to return.
The scatter plot results can be interpreted by looking at the quadrant each sector is in, which indicates whether its average weight percent and contribution to return percent under- or overperformed the S&P 500.
Performance Analysis Tools
Performance Analysis Tools are essential for creating accurate performance attribution reports. They help identify the sources of return or loss, and can be categorized into three main types: attribution models, risk models, and data quality tools.
Attribution models, such as the Brinson-Fachler model, are used to decompose returns into different components, including active return and passive return.
Risk models, like the Value-at-Risk (VaR) model, help quantify the potential losses of a portfolio over a specific time horizon.
Data quality tools, such as data validation and data cleansing software, are used to ensure that the data used in performance attribution reports is accurate and complete.
These tools can be used in conjunction with each other to provide a comprehensive view of a portfolio's performance.
Reporting and Implementation
Query support provides a powerful approach to assembling and executing complex queries over large data sets.
With configurable reporting, you have a choice of formats including PDF, HTML, CSV and XML outputs.
This flexibility allows you to tailor your reports to suit your specific needs.
A key feature of this reporting system is its ability to handle large data sets, making it ideal for complex performance attribution reporting.
Here are the available output formats:
- HTML
- CSV
- XML
Reporting
Reporting is a powerful tool that helps you get the insights you need to make informed decisions. Our report hub links together performance, attribution, weights, and market intelligence to display accurate and insightful returns.
You can customize reports with a mix of tables, graphs, and explanatory text, and easily export them as Excel sheets or PDFs. This makes it easy to share your findings with others or use them for further analysis.
Our reporting capabilities are flexible and configurable, allowing you to choose from a variety of formats, including PDF, HTML, CSV, and XML outputs. This ensures that you can get the information you need in a way that works best for you.
Query support provides a powerful approach to assembling and executing complex queries over large data sets. This means you can dive deep into the data and get the specific insights you're looking for.
Here are some of the key features of our reporting capabilities:
- Customizable reports with tables, graphs, and text
- Exportable in Excel, PDF, HTML, CSV, and XML formats
- Query support for complex data analysis
Implementation
Implementing a performance attribution software solution requires flexibility and attention to detail. This is especially true when dealing with input data.
Getting the input data right is crucial for the success of the implementation. We take your input data into account to ensure a tailored solution.
Investment Strategies
Investment style analysis is a crucial step in attribution analysis, providing a benchmark to gauge a manager's performance.
American economist Bill Sharpe introduced returns-based style analysis in 1988, which charts a fund's returns and seeks an index with comparable performance history.
This method allows for a more accurate assessment of a manager's performance by comparing it to a blend of indices that correlate most closely to their returns.
Analyzing Investment Style
Analyzing Investment Style is a crucial step in attribution analysis, as it helps to identify the manager's investment style and provides a benchmark for gauging their performance.
American economist Bill Sharpe introduced returns-based style analysis (RBSA) in 1988, which charts a fund's returns and seeks an index with comparable performance history. This method allows for a more accurate evaluation of a manager's investment style.

A manager's investment style can be categorized into various types, including value- or growth-oriented, and large-cap or small-cap companies. For instance, if a manager focuses on small-cap companies, their investment style would be classified as small-cap growth.
Sharpe refined RBSA with a technique called quadratic optimization, which assigns a blend of indices that correlates most closely to a manager's returns. This technique provides a more precise evaluation of a manager's investment style.
Here are some common investment styles:
- Value-oriented: Focuses on undervalued stocks with potential for long-term growth
- Growth-oriented: Focuses on stocks with high growth potential
- Low-risk: Focuses on stable and secure investments
- Large-cap: Focuses on large-cap companies with established track records
- Small-cap: Focuses on small-cap companies with potential for high growth
By understanding a manager's investment style, investors can make more informed decisions about their investments and assess the performance of their portfolio managers.
ESG Implementation
ESG Implementation is a crucial aspect of investment strategies. We regularly incorporate ESG and analysts' ratings into attribution.
This can benefit asset managers by providing a more comprehensive view of a company's performance. We have seen how ESG considerations can impact a company's long-term success.
By considering ESG factors, asset managers can make more informed investment decisions. This is especially important in today's market where sustainability and social responsibility are increasingly important to investors.
Market Timing

Market timing is a crucial aspect of investment strategies, and it's often debated among scholars.
Most analysts attribute less significance to market timing than asset selection and investment style, which are considered more reliable factors in determining a manager's performance.
A manager's ability to time the market can be measured by gauging their returns against benchmarks that reflect upturns and downturns.
Ideally, a fund will go up in bullish times and decline less than the market in bearish periods, but some scholars note that a significant portion of a manager's performance with respect to timing is random, or luck.
Risk and Ex-Post Analysis
Risk and Ex-Post Analysis is a crucial part of performance attribution reporting. It helps investors understand the actual risk taken by a portfolio manager.
Ex-Post Risk measures include Tracking Error, which reveals how much a portfolio's return deviates from a benchmark's return. This can be a useful metric for investors who want to gauge the portfolio manager's skill.

Sharpe Ratio, Information Ratio, Sortino Ratio, and R-Squared are other popular Ex-Post Risk measures that help investors assess a portfolio's risk-adjusted return.
Here are some common Ex-Post Risk measures:
By understanding these Ex-Post Risk measures, investors can make more informed decisions about their portfolios and hold portfolio managers accountable for their performance.
Explaining Performance Results
The Performance Attribution Report is a valuable tool for understanding how your investments have performed. It's divided into several sections, each providing crucial insights into your portfolio's performance.
The report contains two main tables in its first part: Weighting by Sector and Returns and Attribution Effects by Sector. These tables are essential for analyzing your investment performance.
The Weighting by Sector table shows how your investments are allocated across different sectors. This information is critical for understanding which sectors are driving your portfolio's performance.
The Returns and Attribution Effects by Sector table breaks down the returns and attribution effects for each sector. This table helps you see how each sector contributed to your overall portfolio performance.
By examining these tables, you can gain a deeper understanding of your investment performance and make informed decisions about your portfolio.
Frequently Asked Questions
What is attribution reporting?
Attribution reporting helps you understand how customers interact with your ads and which efforts drive conversions, revealing the paths to success. It shows you how different ad efforts work together to create conversions, giving you valuable insights to optimize your campaigns.
What is the difference between performance attribution and performance appraisal?
Performance attribution explains how investment performance was achieved, while performance appraisal assesses the quality of the investment process based on both returns and attribution. This distinction helps investors understand what drove their results and evaluate the effectiveness of their investment strategy.
What is the difference between risk attribution and performance attribution?
Performance attribution encompasses both return and risk attribution, while risk attribution specifically analyzes the risk consequences of active investment decisions. Return attribution, on the other hand, focuses on the impact of those decisions on returns.
Sources
- https://www.investopedia.com/terms/a/attribution-analysis.asp
- https://globaltrader-qa.interactivebrokers.ca/en/software/am/am/reports/runningaperformanceattributionreport.htm
- https://www.cloudattribution.com/services/reporting/
- https://www.kiski.com/blog-posts/understanding-brinson-analysis-as-a-performance-attribution-tool
- https://www.milestonegroup.com/solutions/performance-attribution
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