Arguments against international stocks, and why I invest in them anyway


ETF investors may have wondered whether they should add international stocks to their portfolio or stick with the S&P500. Proponents of international stocks highlight their lower valuations and potential diversification benefits as reasons to invest in them. However, well-known investors like Warren Buffet and Jack Bogle believes that non-US stocks are unnecessary.

I do tell people, feel free to disagree with me because I'm not always right, but I have 0% in non-U.S. I say you don't need to have non-U.S., but if you do, limit it to 20%. 

-- Jack Bogle, 2018 interview with Morningstar

 
Reasons to stick to US stocks
 
One of the reason why investors favour US over non-US is that the US stock market is considered one of the most efficient in the world, supported by sound financial institutions and governance as well as strong investor protection laws. The US economy is also highly diversified and includes a broad range of industries, making it more resilient against a slowdown in a particular industry. This makes investing in international stocks seem more risky by contrast, especially in some countries with greater political and economic instability.
 
In addition, investing in international stocks may not provide meaningful diversification. In the event of a financial crisis, stocks will likely crash across the world, meaning that international stocks may not provide the protection that investors expect. During the Great Financial Crisis, the US stock market fell by 51% from its 2007 peak, while the international stock market fell 59%. Likewise, during the Dot-com bubble, the US stock market fell 44%, while that for international stock fell 47%.
 
Another reason investors may not see the need to diversify into international stocks is because many US companies are already deriving significant revenue from outside the US. According to some estimates, about 40% of the S&P500 companies' revenue are generated outside of the US. So, is there really a need for more non-US exposure?
 
Why I invest in international stock market anyway

Honestly, those are compelling reasons to stick to the US stock market but I still have some exposure to international stocks through my Dimensional funds, and I continue to DCA into them.

One reason is because international stocks are trading at a steep discount to the US market. While they are cheap for a reason, I find the difference in valuation hard to ignore. For instance, the price to earning (PE) ratio of VOO (S&P500 ETF) today is 17.91, while that for VXUS (international excl. US ETF) is a 31% discount at 12.34.

Another reason is that most of US outperformance was generated from the past decade and this may cause investors to view the US stock market with recency bias. An investor who invested in the 2000s would likely have a very different view on the US stock market which underperformed the international stock market substantially

And as usual, there is no guarantee that historical performance will continue in the future and I do not want to exclude myself completely from the potential outperformance in the international market.

 

The content shared in this post is just my opinion and should not be taken as financial advice. In fact, you should never treat what a random dude shared online as financial advice, no matter how credible they may sound.

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