International Stocks
International stocks are shares in companies listed outside your home market, held to avoid concentrating a portfolio in a single country's economy and currency. The exposure adds a currency dimension, and the periods when it lags are the periods it is being held for.
Almost every investor holds far more of their home market than its share of the world’s listed value. That is a decision, even when it is made by not deciding, and it is worth making on purpose.
How it works
A broad international fund holds companies listed in other countries, usually weighted by market size. Developed and emerging markets are often separated, and a total-world fund holds both plus your home market in one.
The holdings are priced in other currencies, so your return is the share price move and the exchange-rate move combined. Some funds hedge that away and most do not.
The point is that they do not move together. Different economies, different sector mixes, different rate cycles — which is the diversification the position exists to provide.
Why the home market is not enough
A home-only portfolio concentrates three things at once: one economy, one currency, and whatever sector mix that market happens to have. A market dominated by technology or by resources carries that tilt whether or not you wanted it.
It also correlates with everything else about your life. Your job, your house and your currency are all in the same country as your portfolio, so a domestic downturn arrives on every front simultaneously.
That last point is the strongest argument and it is rarely the one made.
A worked example
A global-market weighting holds each country in proportion to its listed value. That is the neutral position — the one requiring no view at all.
Almost nobody holds it. Home bias is near universal, and the usual justifications are currency matching, tax treatment and familiarity, of which only the first two are reasons.
A common compromise is 20% to 40% of the equity allocation held internationally, which is a judgement rather than a calculation and sits between neutral and comfortable.
The difference between 20% and 40% is far smaller than the difference between 0% and 20%, which is worth knowing before agonising over the exact figure.
Currency
An unhedged fund gives you the foreign shares and the foreign currency. When your home currency weakens, the international holding is worth more in your terms even if the shares did nothing.
That works both ways and it adds volatility. Over long horizons currency moves have historically been closer to noise than to a trend, which is the usual argument for not paying to hedge equities.
Hedging costs money and reduces one of the diversifying effects, so most broad equity funds leave it unhedged. Bond funds more often hedge, because currency swings are large relative to bond returns.
Costs
International funds usually carry a slightly higher expense ratio than domestic ones, because
trading across many venues costs more. On this site’s arithmetic a 20-basis-point fee removes 5.8% of
a thirty-year pot and 75 removes 20.2%. The figures are in research/series-measurements.json.
Emerging-market funds cost more again and carry wider spreads, which is one reason many portfolios hold them as a small dedicated slice rather than through a single blended fund.
Foreign dividend withholding tax may also apply and can sometimes be reclaimed depending on the account and jurisdiction. This is educational, not tax advice.
Developed and emerging are different decisions
A broad international fund usually holds developed markets only, with emerging markets sold separately or bundled into a total-world fund. They are not interchangeable.
Emerging markets carry higher volatility, wider spreads, larger currency swings and more concentrated index weights — a handful of countries and a handful of very large companies often dominate. That is a different exposure from a developed-market fund, not a more aggressive version of one.
Which is why a portfolio holding both usually holds them in different sizes, and why checking what your international fund actually contains is worth doing once rather than assuming.
The original data
Of the 24,971 unique videos in research/search-study-corpus.jsonl, zero have a title about
international stocks, emerging markets or global equity. Index funds appear in 132 videos at a
median of 69,951 views and exchange-traded funds in 449 at 12,651. The counts come from
site/rank_investing.py, which deduplicates by video id.
Zero videos out of 24,971 on roughly half the world’s listed equity. The corpus is a domestic trading corpus and that is exactly the shape of the bias this page is about — the coverage mirrors the portfolios.
The answer to the question on that chart is that a decade of underperformance is not evidence about the next one, and the case for dropping it is always strongest right after it has lagged. Regional leadership has rotated repeatedly and nobody has reliably called the turn. Selling the laggard to concentrate in the winner is a bet on the recent past — which is the specific behaviour the position was held to avoid.
When it fails
The position fails the person holding it far more often than it fails financially. A long stretch of home-market outperformance produces a visible, monthly, years-long case for abandoning it, and the abandonment usually happens near the end of that stretch. The portfolio then holds one region going into the period when the other leads. Nothing about the investment misbehaved; the holder simply ran out of patience at the worst available moment, which is what diversification costs.
The second failure is holding it as a token slice. A 5% position changes nothing.
A third is hedging equity currency exposure expensively. It removes part of the benefit.
A fourth is buying single-country funds. That concentrates rather than diversifies.
A fifth is ignoring the higher fee. It compounds like any other.
And a sixth is confusing international revenue with international listing. A domestic company selling abroad is still a domestic listing in a domestic currency.
Related
Diversification is what this position is an instance of. The three-fund portfolio makes it one of three decisions. And sector funds is the other axis on which portfolios concentrate by accident.
The only honest defence of holding it is that I cannot tell which region leads next, and neither can anybody quoting the last decade at me. If I could, I would hold one region. The whole position is an admission of not knowing, which is why it feels unsatisfying and why it keeps being right in a way that is only visible afterwards.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.