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The greater a market’s valuation, the smaller the likely future returns

Markets may look precarious but what can be said with confidence is that with valuations so much higher than average, returns are likely to be lower than the long-term average over meaningful time periods

09/11/2017

Andrew Williams

Andrew Williams

Investment Specialist, Equity Value

Importance of valuation

In Be prudent, we argued the growing willingness for investors to pay higher and higher prices for stocks was a real cause for concern. Along the way, we highlighted how the main US index, the S&P 500, has only ever been more expensive on two previous occasions – just before the dotcom bubble burst in 2000 and in the build-up to the Great Crash of 1929 – but does that mean markets are due a fall?                                             

Well, as we pointed out in Be prudent, a far more important consideration than the absolute level of a stockmarket is its underlying valuation. That is why one of our favourite metrics, here on The Value Perspective, is the cyclically adjusted price/earnings ratio. Known for short as the ‘CAPE’, this encapsulates the average earnings generated by a market over the last 10 years, adjusted for inflation.

Over time, like so much else in investment – and indeed in life – any CAPE will tend to head back towards its longer-term average. Looking at the S&P 500’s elevated headline figure of a little over 31x today, therefore, some would conclude this ‘mean reversion’ implies an imminent correction to asset prices – and, of course, this remains a very real possibility.

Historically, though, a significant amount of a CAPE's mean reversion comes from earnings catching up with stock prices, rather than the other way around. With global profit margins nudging all-time highs, we may question the likelihood of this but what we can say with confidence is that with, valuations so much higher than average, returns are likely to be lower than the long-term average over meaningful time periods.

US is no longer cheap

Moving closer to home, it is fair to say that, while in aggregate the UK market is not as expensive as the US, it is no longer cheap. The following chart shows the FTSE All-Share price index from 1998 to today with the CAPE’s of the market peaks marked in green. Almost two decades of earnings growth do mean that, despite today’s index level being higher, valuations are not as overextended as they were in 2000 or 2007.

 

Source: Schroders, DataStream as at September 2017. Past performance is not a guide to future performance and may not be repeated. 

At those two earlier peaks, the FTSE All-Share traded on a CAPE of 28.6x and 22.1x respectively whereas, despite the higher index level, its CAPE today is closer to 17x. That is still well above the long-term average of 11.4x – UK stockmarket data goes back to 1927 – and history suggests that, from today’s valuation level, the wider UK market will deliver inflation plus 3% to 4% a year for equity investors over the next decade.

And while history of course makes no promises about the future, it is worth noting that that growth rate compares with inflation plus 7% or 8% a year over the very long term. Equally, it is important to bear in mind any market valuation is simply an average of the value of the individual stocks within it and, among those individual stocks, there remain some attractive opportunities for value-oriented stockpicking investors.

The effect these opportunities have on us

It is these opportunities that could allow value investors to extract the 2% or so potential premium return over and above the market itself, through focusing on the cheapest parts of the market. 

As we have argued in articles such as Winter is coming, the dislocation between the current market trajectory and the whole of the rest of history has become extreme and so, when it comes, the market’s eventual snap-back to its typical function as an arbitrator of value will be profound. At the point, as we said in Be prudent, value investors will be grateful for the margin of safety that is part and parcel of the discipline.

Author

Andrew Williams

Andrew Williams

Investment Specialist, Equity Value

I joined Schroders in 2010 as part of the Investment Communications team focusing on UK equities. In 2014 I moved across to the Value Investment team. Prior to joining Schroders I was an analyst at an independent capital markets research firm. 

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