The invisible risk
You buy Apple shares for 10,000 NOK when the dollar rate is 10.50 NOK per dollar. The stock rises 20% in dollars. You are happy — but when you sell the dollar has weakened to 9.00 NOK. Your gain in Norwegian kroner is far lower than you expected. That is currency risk in practice.
"What you cannot see can hurt you just as much as what you can see. Knowledge of the invisible forces is half the battle."— Florence Scovel Shinn
How currency risk works
Scenario 1 — Currency helps you
S&P 500 rises 10% · Dollar strengthens 9.5% against NOK
Total return in NOK: ~21%
Scenario 2 — Currency hurts you
S&P 500 rises 10% · Dollar weakens 9.5% against NOK
Total return in NOK: ~0.5%
Conclusion: Currency movements can double your return — or wipe it almost completely out. Over long periods it tends to even out, but short-term the effect can be dramatic.
The Norwegian krone special properties
Oil currency connection
NOK is often called a "petrocurrency" because it correlates strongly with the oil price. High oil price = strong krone. Low oil price = weak krone.
Natural hedge
Because NOK weakens in times of crisis — and foreign investments rise in value in NOK — Norwegian investors have a natural partial hedge.
Currency hedging — what is it?
Currency hedged fund
Returns equal the underlying investment in local currency — currency movements are eliminated. Costs a little extra in fees. Good for those who want pure stock exposure without currency noise.
Unhedged fund
You take full currency risk — and currency opportunity. Over the long term this is often better since hedging costs money and currencies even out.
Warren Buffett on currency: He rarely hedges against currency risk. His view is that over the long term currency is a zero-sum game — and hedging costs eat into returns.
"Risk is not something you avoid — it is something you understand and manage. Knowledge makes risk a friend, not an enemy."— Florence Scovel Shinn