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Why the trend can (often) be your friend


Why the trend can (often) be your friend

At Montgomery Investment Management, our philosophy is based on owning businesses with future cash flows that are expected to be large compared with their market value. Fundamental analysis is not the only way to think about equities, but it has a strong intuitive appeal, sound theoretical underpinnings, and has been applied to good effect by a number of very successful investors over the years.

Another approach in common use is technical analysis – the forecasting of future share prices based on observation of historical share prices. Fundamental investors tend to be dismissive of technical analysis, and it is certainly easier to make a list of notable (and rich) fundamental investors than it is a list of notable chartists. However, if we’re being completely honest, it is a bit of an over-simplification to say that one approach works and the other doesn’t.

The big challenge to fundamental investors’ claim to the high ground is price momentum. Numerous academic studies have shown that companies whose share prices have been rising over (typically) a 12-month period tend – on average – to outperform over a subsequent period. As far as I know there is no convincing evidence that future share prices can be successfully forecast by identifying complex patterns in past share prices, but this very simple idea of price trends has been shown to apply across different markets and different asset classes. In short, that old adage that “the trend is your friend” seems to have some basis in empirical truth.

There is no clear consensus on exactly why price momentum should work and, as fundamental investors, we may find the whole concept a little irksome, but that doesn’t make the evidence any less valid.  Compounding this, our own analysis shows that the Australian equity market is as susceptible as any other to this phenomenon, and in many cases more so. So, what is a fundamental investor to do when faced with this evidence?

Before we get too carried away, there is an important caveat.  If you hold a portfolio of stocks with strongly rising prices during a bull market, you will end up owning a portfolio of “high-beta” stocks – stocks that tend to move in the same direction as the market, but to a larger degree than the market.  If the bull market turns into a bear market, you can suddenly find yourself holding exactly the wrong portfolio.  In times of market distress, having a portfolio that falls faster than the overall market can have a devastating impact on portfolio value as well as limit the ability to take advantage of any bargains that may emerge.

With that in mind, our approach in managing the Montgomery Fund is this: Our investment decisions are driven by fundamentals, but in prioritising which companies to focus our fundamental analytic efforts on, we take some account of price momentum (as well as a host of more conventional metrics related to value and business quality, of course).  We do this because, every now and then, price momentum can alert you to situations where the market is gradually coming to appreciate the hidden long-term growth potential of a high-quality business. Being alerted to those situations early is obviously of interest to us.

At the end of the day, if we can’t see that fundamental investment case, we will move on to something else, and we certainly won’t invest in something simply because of a trend.  However, it seems logical to first enquire why the trend might be there, and then move on, instead of dismissing it without further thought.

Tim joined Montgomery as Head of Research and Portfolio Manager of The Montgomery Fund in July 2012. Prior to this, Tim was an Executive Director in the corporate advisory division of Gresham Partners, where he worked for 17 years. Before joining Gresham Partners, Tim worked for McKinsey & Company for four years, where he was involved in strategic consulting in both Australia and Denmark.

This post was contributed by a representative of Montgomery Investment Management Pty Limited (AFSL No. 354564). The principal purpose of this post is to provide factual information and not provide financial product advice. Additionally, the information provided is not intended to provide any recommendation or opinion about any financial product. Any commentary and statements of opinion however may contain general advice only that is prepared without taking into account your personal objectives, financial circumstances or needs. Because of this, before acting on any of the information provided, you should always consider its appropriateness in light of your personal objectives, financial circumstances and needs and should consider seeking independent advice from a financial advisor if necessary before making any decisions. This post specifically excludes personal advice.


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  1. dane campbell

    Would love to get an insight into the types of momentum indicators and timeframes MIM would use when assessing this side of your investment thesis…ADX springs to mind.

    • Peter (and others surprised by the references to technical analysis): Apologies. A somewhat misleading introductory sentence was added to my article post as part of our blog publication process. I’ve just seen it and asked that it be removed. Hopefully the rest of the article makes clear that we have not been seduced by astrology!

  2. Is there a softening in approach at MIM??…..I could be wrong but I believe this technical consideration was never previously embraced…..I’ve spent many entertaining nights watching Roger et al in glove slapping duels with the chartists on Your Money Your Call to know this……not complaining but looking forward to seeing the next episode and carefully listening to how this add on gets used in the Montgomery vernacular moving forward

    • Hi Richard. I should note that the way we invest hasn’t changed. The Montgomery Fund has since inception applied these principles as one way of screening for potentially interesting opportunities. Importantly, the final investment decision is driven by our assessment of fundamentals. On reflection, the title we put on this post probably sends the wrong message.

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