Practical analysis for investment professionals
01 July 2020

What Most Active vs. Passive Debates Miss

Do active funds outperform their passive counterparts?

From the 1970s, when passive funds first launched, up until today, when their assets under management (AUM) have overtaken those of active funds, the active vs. passive debate has centered on that question.

But this is only one of the issues that investors have to consider. And it’s not the most important. The other considerations are more critical for two reasons: because they help us understand the first principles of the debate and because they elevate that debate from the theoretical to the practical.

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When it comes to the choice between active and passive, both the professional and retail investors among us have at least three questions to consider:

1. Can it be done?

Is it possible for any fund, or any investor, to outperform a market index? Of course. But why is it possible?

Let’s imagine the market is composed of only two stocks of equal size and value, A and B. In a given year, Stock A’s price increases by 20% and B’s falls by 20%. The total performance of the market index is the average of the two stocks: 0%. As active investors, we could have picked Stock A and invested all or most of our money in it. And we could have added more value by shorting Stock B.

Of course, with only two stocks to choose from, we have a very limited number of potential decisions. But what if there were 5,000 stocks and they each yielded a roughly 15% return? Then, even if we did the research, the lack of dispersion of returns would mean we couldn’t add value. So for active investors to have a chance to succeed, performance among securities has to vary widely.

Therefore, a rough gauge of whether active can outperform — of the active opportunity — is the number of securities available in a given market, the dispersion between the best- and worst-performing among them, and the proportion of retail versus professional investors. Big equities markets like those in the United States or India have more than 3,000 listed stocks with huge dispersions between them. So active investors do have plenty of opportunities to add value.

But the number of securities and the dispersion between the best- and worst-performing varies from market to market and from type of security to type of security, whether equities, fixed income, private equity, real estate, or something else. So not all markets are equal. Indeed, in some, the active opportunity may be close to zero.

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2. Is it done?

This second question is what most active vs. passive debates seek to answer. Adherents on each side quote the statistics on how many active funds have outperformed their respective market indices and how long they were able to maintain that outperformance.

But what do their analyses prove? Just because most funds don’t outperform doesn’t mean picking funds is an impossible or meritless endeavor. It just means it’s hard. Otherwise, what would research houses and investment consultants offer as value propositions?

Fund pickers also know that active funds have to choose an “investment style” to express their investment philosophy. That style will necessarily underperform at times. If it didn’t, if the market didn’t go against it every now and then, there would be few opportunities for stock selection within that style.

The purists compare funds of a particular style to a market index designed to match that style — for example, benchmarking value funds to value factor-based indices. This approach might help distinguish skill from style / factor returns, but it forces managers to define their philosophy based on the herd. And how does that help retail investors who tend not to have much knowledge about styles or opinions about which will outperform over the near- or long-term, whether they should invest in a combination of styles to dampen volatility, etc.? What good does this approach do for them?

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3. Can I do it?

This is the most relevant question for any investor. Active investors and active funds can outperform the market, but different investors have different abilities. Few of us can pick outperforming stocks and funds in advance. And for those that succeed, reversion to the mean eventually brings them back down to earth.

But while investors tend to be skeptical about stock-picking talent, we can be overconfident in our fund-picking abilities. The fund data flows suggest investors follow the past one, three, or five years’ performance. Or perhaps the correlation is indirect: Maybe we follow star ratings that, in turn, are based on past performance. Or we follow the recommendations of financial advisers, which — Guess what? — are also based on past performance. Or we follow the regulators’ suggestions and assess track records — another synonym for past performance.

What should we follow if not past performance and portfolio analytics?

Now that is a good question. The most influential research houses and consulting firms look at such qualitative factors as people, philosophy, process, the firm’s commitment to and alignment of interests, etc. They meet the investment, management, and even the operations teams. They then write ratings reports and sell them to financial advice intermediaries.

The current practice has a number of issues:

  • The fund assessment process, conducted through in-person meetings and email exchanges, is cumbersome, opaque, and costly.
  • Only large research and advisory firms are influential enough to meet with management teams. Smaller firms and individual advisers lack that access. Thus the ratings market may be dominated by a handful of players.
  • Not all financial advisers agree with the value proposition and investment philosophy of the larger research firms or buy their research. They might conduct their own analysis in-house, but without comparable scale and access, they are at a considerable disadvantage. Then there are the incentives for financial advisers: The model is evolving around the world from commissions to fee-based advice, which is putting pressure on the industry.
  • If investors want to assess and buy funds directly, as the Indian regulator encourages them to do, we can’t possibly have the scale and access unless we are multimillionaires.
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Why are fund ratings business models more reminiscent of those from the credit ratings industry than from stock research? Why are only a few ratings houses getting paid by the fund houses? Why aren’t there hundreds of opinions on funds just like there are on stocks?

The answer, to my mind, is because of the information gap. Much of the necessary data — the performance / portfolio stats, the fund manager interviews about investment philosophy and process, about operational due diligence, etc. — are available and accessible to only a few.

In the meantime, as investors — professional and otherwise — we should ask ourselves:

  • Can I pick good funds with the time and information I have?
  • Can I trust my financial adviser / myself to have the right expertise, access, and incentives to select good funds for me or my clients?
  • Can I monitor the funds on an ongoing basis, changing the funds when necessary, such that any outperformance is not negated by the associated costs?

If the answer to any of these is no, then we should consider going passive.

At the very least, by contemplating these questions, we have taken a considered, deliberate, and intentional approach.

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All posts are the opinion of the author. As such, they should not be construed as investment advice, nor do the opinions expressed necessarily reflect the views of CFA Institute or the author’s employer.

Image credit: ©Getty Images / Grant Faint

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About the Author(s)
Hansi Mehrotra, CFA

Hansi Mehrotra, CFA, is the founder of The Money Hans, a personal finance education blog aimed at retail investors, and founder and editor of Money Management India. Mehrotra has over 20 years of financial services industry experience, primarily in online delivery of investment research and consulting for the wealth management industry. She set up the wealth management business for Mercer’s Investment Consulting business across Asia Pacific. She also led a number of projects in India including design of the investment options for the National Pension Scheme. She holds a Bachelor of Arts degree from Delhi University, and a Graduate Diploma of Applied Finance and Investments. Mehrotra has been named TopVoice and PowerProfile on LinkedIn.

7 thoughts on “What Most Active vs. Passive Debates Miss”

  1. Karan Mehta says:

    Thoughtful and precise. Great insights !

  2. John Dyall says:

    Nice summation of the issues. Particularly on why there aren’t more diverse opinions on funds. Part of the reason might be the difficulty in getting adequate time series on both fund performance and benchmark indexes at the right price (or even for free). In Australia try getting the level of franking credits on Australian equities managed funds. But thanks again Hansi, good article.

    1. Thanks John. Yes, isn’t it amazing how lack of data is still an issue?

  3. Andrew W Taylor says:

    Hansi. Well done. Your points are valid and very constructive, encouraging. I read most of it, but need to go back to one of your discussions shortly. I have this note:

    It is possible for the very reason that market outperformance is, rightly so, actually not a broad investment goal. People want to retire, not beat the market, and coming from a House of four P’s we were warned we’d be spanked by clients, forgetting that ever. It served us well.

    Back to something more threshold, that you touched on, the reason we don’t all outperform the market, is because we have a malady. Its the assumption that we must remain fully invested, at all times, that differentiates this generation from previous day’s and earlier scores of success. Taxes, play far too much a role, and frankly I think some CEOs would prefer the Momentum crowd out, before the inevitable hiccup, which is unfair and makes it harder for them.

    So, in a Wilshire 5000 that delivers 15% cada una on the nose at New Years, yes, but once again, this is my point. I want a Securities Market that is blatantly rigged, absolutely, in every single one of our favors, and you know, well, I hope I can count on your support for my proposed Theory of Planned Markets, forthcoming.

    Your point about investment philosophy I disagreed with, but it’s unfair, it is my wheelhouse and I think you, yes, you know the counterargument there.

    Meeting funds should be done in a way where the future recruit goes, builds a bridge between both companies, this is huge value added it is a must.

    I think my leading comment is in support of your point exactly, if I’m not mistaken. I’ll have to finish the article another day but it is fine work. Congratulations.

  4. Andrew W Taylor says:

    Yes, and again your view is supported, is understood, but, as an asset manager I must confide with you.

    The High Net Worth are demanding a return to commissions, and they’ll get it. There’s a deeper point here, that I can’t divulge.

    The truth of the profession, for most, is that we are in the unsavory position of criticizing management. Investment involves a lot of challenging and threatening of the Corporate, our friends and former peers, that needs to be alleviated. I submit, closing the information gap on us, yes, is beneficial, but what would you exactly like to know? He’s running the company, doing just fine, I’m his critic, you’re mine. 🤫

    I hope the Indian individual investor can band together. You have a chance to do this totally new learning from our mistakes. Just please don’t crush us, when you benefit, and take your turn, after China is ready to allow it.


    Andrew W Taylor

  5. Qizong wu says:

    I get the point about picking managers based on philosophy, process instead of past performance…but often doesnt work well with the compliance officers… Perhaps more work is to be done on helping the compliance system to become more modern?

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