Gold News

Bought Gold This Year? Beware 'Mean Reversion' in 2020

Gold correlations very stretched as 2020 begins...
 
INVESTORS didn't need gold as a portfolio hedge in 2019, but they piled in anyway, writes BullionVault's director of research Adrian Ash in this article first published for readers of Investment Week's European title.
 
Total returns from all major US asset classes beat inflation this year, something last achieved in 1971. Equities led with their best year in six, very nearly matched by real estate's 27% return, while Treasury bonds paid the most since 2014, commodities the most since 2016, and corporate debt the most in a decade.
 
Even short-term Treasury bills showed a positive real return in 2019, beating CPI inflation for the first time since 2008 on our 40-year annual asset returns data.
 
Yet wealth managers, as a group, still joined central bankers in adding heavy new gold holdings this year. Gold-backed ETFs swelled by 31% to reach $135 billion, the highest value since 2012's record.
 
Secure bullion vaults also saw strong growth in directly-owned gold, with inflows to private custody in London – heart of the global gold market – matching inflows to exchange-traded products by late-summer (the latest available data).
 
What drove this 'safe haven' dash when safety wasn't needed? Plunging interest rates, most especially the surge in negative-yielding bonds.
 
5 decades of US asset returns, after inflation. Source: BullionVault
 
When gold prices peaked in September – setting a 7-year high in US Dollars, four-decade highs in Yen, and new all-time records in both Euros and Sterling terms – a total of $17 trillion in debt offered to pay sub-zero returns by maturity, even before inflation.
 
That made gold – impossible to inflate, destroy or default on – less costly than lending money to a raft of sovereigns and even some corporates.
 
At this autumn's top in bond prices, buyers of 10-year German Bunds locked in a 10-year loss worse than 0.74% per annum. Many gold ETFs charge half that much or less, and physical gold owned outright can be vaulted and insured for as little as 0.12% per year. 
 
Might this no-brainer prove brainless in 2020? Investors typically buy gold because they fear trouble ahead. Whether cause or effect, that means gold has tended to do well in decades when equities didn't – and vice versa – as our table of real US asset-class returns since 1970 shows above.
 
Gold's shorter-term correlation with equity prices is more variable, swinging from strongly negative (eg, 2013) to strongly positive (eg, 2019) and therefore averaging out very near zero in the long run. While that makes this year's pattern of gold rising together with stocks quite normal, it means investors shouldn't expect it to keep running indefinitely – not given the very clear track record of mean reversion.
 
Gold's key correlations since 2010 and at end-2019. Source: BullionVault
 
Gold's other key relationships also look stretched at end-2019, most starkly with the US Dollar. Again, there's nothing to stop gold continuing to move with the greenback, rather than opposite, for a while longer. But reversion towards the mean would see gold fall next year if the Dollar extends its rally of the 2010s, rising for a record eight years in 10 on a trade-weighted basis.
 
Mean reversion would also see gold fall in 2020 if, like the Dollar, the S&P can continue its record-breaking run, now longer-lived than any previous equity bull market. And if not, gold would be expected to rise on a set-back in stocks, a fall in the Dollar, a plateau or retreat in bond prices, or a risk of oil-led inflation – just the kind of risks investors choose gold to hedge against.

Adrian Ash is director of research at BullionVault, the physical gold and silver market for private investors online. Formerly head of editorial at London's top publisher of private-investment advice, he was City correspondent for The Daily Reckoning from 2003 to 2008, and is now a regular contributor to many leading analysis sites including Forbes and a regular guest on BBC national and international radio and television news. Adrian's views on the gold market have been sought by the Financial Times and Economist magazine in London; CNBC, Bloomberg and TheStreet.com in New York; Germany's Der Stern; Italy's Il Sole 24 Ore, and many other respected finance publications.

See the full archive of Adrian Ash articles on GoldNews.

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