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5 Reasons to Use a Holdings-Based Style Analysis for Risk Assessment

The value of reviewing a current portfolio versus reviewing past returns

Scott Burns


What can March Madness teach us about the most effective approach to investment analysis? Quite a bit. 

The tradition most associated with the annual college basketball tournament—filling out your bracket—works off a number of the same principles as investing, especially when it comes to reaping the benefits of a holdings-based style analysis over a returns-based style analysis.  

Here are the top reasons a holdings-based style analysis can serve your investments, as well as your March Madness bracket. 

The benefits of a holdings-based style analysis

1. You wouldn’t look at a team’s past record to evaluate its chance of success this year; you would consider the new roster and coach.  

The same is true with portfolios of investments. Whether you’re evaluating a portfolio of individual stocks and bonds or that of a fund manager, the underlying holdings are constantly evolving both in terms of representation and their reaction to different events. Therefore, a holdings-based style analysis, which evaluates a portfolio by those holdings (or what it currently is), can be considered more relevant than returns-based style analysis, which evaluates a portfolio based on its historical returns (or what it previously did). 

2. When a portfolio is outperforming, holdings-based style analysis will show you the true source of these gains so you can determine how to keep growing your client’s investments. A returns-based style analysis would only show that the fund is outperforming, without explaining the source of these gains—which may include high-momentum stocks from the previous year. It would be like looking at the raw numbers that make up a team’s record, rather than digging into the precise factors that contributed to those wins and losses. 

3. What impact did the previous year’s highest-scoring players have on a team’s performance? And, if only some players remain on the team this year, how can we expect scores to play out? While returns-based style analysis uses regression to estimate how currency and geography have contributed to performance overall, holdings-based style analysis evaluates how each of those factors specifically impacted the holdings.  

4. Because holdings-based style analysis uncovers the details of all holdings, it reveals asset classes and the risk of derivatives up front. A returns-based style analysis will not do this—which means in the event of index-return swaps, you and your client could be caught off guard by exposure at a different asset class.  

5. Holdings-based style analysis generally produces more accurate results because it is a more stable form of analysis—just like a bracket that is built on the most current, detailed information.  

Essentially, it’s important to understand that risk-factor models are at their most powerful when you use them to look into the future, rather than seek to explain the past. The past track record of returns for a fund or manager will not help you identify the current exposure of a fund’s holdings.  

Constructing a portfolio without the foundational understanding of holdings-based style analysis is like only using past records to build your NCAA bracket. For both ventures, you need to take a closer look at the specific elements that make up the portfolio—or team—in order to be successful. 

To learn more about how holdings-based style analysis can help you manage your clients’ expectations, download our white paper. 

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