CAPITAL SEASONS
INVESTOR EDUCATION SERIES
Lesson 4
The Rand, Offshore Exposure, and the Long Game
Why one calm week in the currency market should not change a long-term decision
| Series Spring Foundations | Level Beginner | Estimated time 20 minutes |
Grounded in the investment principles outlined in Dr Bart DiLiddo’s book — the three forces that drive all stock prices: earnings, inflation, and interest rates. The Capital Seasons framework builds on these principles in its own way.
Before We Begin
This lesson was born from a reader’s question. After reading the weekly newsletter, she wrote:
| “Do not confuse short-term rand stability with a reason to reduce offshore exposure.” That sentence landed quite deeply for me. I know how easy it is, as a South African, to become emotionally anchored to the rand month-to-month. |
Her observation is sharp, and she is not alone. This is one of the most common patterns I see among South African investors — and one of the most quietly costly.
By the end of this lesson, you will understand:
- What offshore exposure actually is, and why you hold it
- Why the rand’s short-term movements should not drive long-term decisions
- The difference between currency weather and currency climate
- A simple framework for thinking about your offshore allocation in any season
Section 1: What Is Offshore Exposure — and Why Do You Have It?
When we talk about offshore exposure, we mean the portion of your investment portfolio that is held in assets denominated in a foreign currency — most commonly the US dollar.
For South African investors, this typically includes:
- US or global ETFs held in a TFSA or investment account (e.g. CSP500, STXNDQ)
- Direct shares listed on US exchanges (e.g. NVIDIA, Apple, Microsoft)
- Rand-denominated feeder funds that invest in global markets
The reason we hold these assets is not because we are betting against the rand. It is because of a simple, well-documented principle:
| Diversification across currencies protects the purchasing power of your savings when one currency underperforms over time. |
The rand has lost significant value against the US dollar over the past thirty years. That is not a prediction about tomorrow — it is a historical fact about the long run.
| Key idea | You hold offshore assets to protect the real value of your wealth over decades — not to speculate on currency movements month to month. |
Section 2: Weather vs Climate — the Most Important Distinction
Here is the sentence that trips most investors up:
| “The rand is holding steady this month. Maybe I don’t need as much offshore exposure right now.” |
This is the rand trap. And it is easy to fall into because it feels logical in the moment.
Let me introduce a distinction that changes everything:
| Currency Weather | Currency Climate |
| Short-term movements (days, weeks, months) | Long-term structural direction (years, decades) |
| Driven by news, sentiment, rate expectations | Driven by trade balances, growth differentials, inflation |
| Unpredictable and reversible | More predictable over long time horizons |
| Should NOT drive portfolio decisions | SHOULD inform portfolio structure |
| Example: rand strengthens 2% this month | Example: rand has lost ~70% vs USD in 20 years |
When a reader says the rand is holding steady this month, she is describing the weather. Her offshore allocation should be set according to the climate.
One month of stability is not a structural shift. It is a data point.
| Key idea | Offshore exposure is not a trade you enter and exit based on where the rand is this week. It is a structural decision you make based on long-term currency direction and your own investment goals. |
Section 3: The Three Misunderstandings
Over the years, I have observed three patterns that lead investors to reduce their offshore exposure at exactly the wrong time.
Misunderstanding 1: A stronger rand means your USD assets are doing badly
When the rand strengthens, the rand value of your USD assets goes down slightly on conversion. This feels like a loss. It is not.
Your assets are still growing in dollar terms. You are simply converting fewer rands from the same dollar amount this month. If the dollar assets are performing well, the net effect is still positive over time.
| Think of it this way: if you own a house in the United States and the rand strengthens, the house did not get smaller. Its dollar value is unchanged. The conversion just looks different on your statement this month. |
Misunderstanding 2: You should time your offshore transfers based on the exchange rate
Many investors wait for the rand to weaken before moving money offshore — and then hesitate to invest when it strengthens. This is currency timing, and it is extremely difficult to get right consistently, even for professional traders.
The more reliable approach is:
- Decide what percentage of your total portfolio should be offshore based on your goals and season
- Invest that amount systematically over time, regardless of the monthly rate
- Review the allocation annually, not monthly
Misunderstanding 3: Local is safer when global markets are uncertain
In a difficult global market environment, the temptation to reduce offshore exposure and shift to local assets can feel like prudence. Sometimes it is. But it should be driven by a change in season or a change in your own financial circumstances — not by rand stability or short-term market noise.
The Capital Seasons framework gives you a structure for making that call: when the market is in Spring, you hold your growth assets. When it moves to Autumn, you begin to harvest selectively. The rand rate in any given week is not a season signal.
Section 4: A Simple Framework for Your Offshore Allocation
Rather than thinking about offshore exposure as a trade, think of it as a garden bed. You plant it once, you tend it seasonally, and you only replant it when the conditions — not the weather — actually change.
The Four Questions to Ask
- What is my investment time horizon? If it is more than five years, the long-term direction of the rand is almost certainly more relevant than this month’s movement.
- What season are we in? Spring and Summer favour holding and growing growth assets — including offshore exposure. Autumn and Winter call for more caution and selective harvesting.
- Has anything structurally changed? A genuine structural shift (major policy change, permanent capital controls, fundamental change in SA’s trade position) warrants a review. A calm month in the rand does not.
- Is my offshore allocation within my agreed target range? If yes, leave it. If it has drifted significantly outside that range due to performance, a small rebalancing trade may be appropriate.
What a Healthy Offshore Allocation Might Look Like
This is not personal financial advice — it is an illustration of how a structure-based approach differs from a reaction-based one.
| Concept | Plain-language meaning |
| Weather-based investor | Moves money offshore when rand is weak. Pulls it back when rand strengthens. Feels active and in control. Likely underperforms. |
| Structure-based investor | Sets a target offshore allocation (e.g. 40% of investable assets). Reviews annually. Only changes it when season or goals change. Likely outperforms over time. |
| Capital Seasons approach | Offshore allocation is set in Winter/Early Spring. Held through Spring and Summer. Reviewed in Autumn. Never changed because of a single month’s rand movement. |
Section 5: What This Looks Like in Practice
Let us bring this to life with a realistic example.
| Scenario: Thandi has R500,000 invested. R300,000 is in SA equities (JSE-listed ETFs). R200,000 is in offshore ETFs (CSP500 via EasyEquities). The rand has strengthened from R19.50/$ to R18.80/$ over the past month. |
Thandi’s statement shows that her offshore portfolio, in rand terms, is down about 3.7% for the month — purely due to the exchange rate. Her underlying dollar-denominated assets are up in dollar terms. She is tempted to reduce her offshore allocation and shift more into local equities.
Applying the four questions:
- Time horizon: 15 years. Long-term rand direction is more relevant than this month.
- Season: Spring. Hold and grow. No structural reason to reduce offshore exposure.
- Structural change? No. Rand strengthening in one month is weather, not climate.
- Allocation in range? Yes — still within her 35-45% offshore target band.
Conclusion: No action required. The apparent rand-value loss is not a loss — it is a conversion effect. Her dollar assets are growing. The structural case for offshore exposure is unchanged.
| The rule | If the only thing that changed is the rand rate this month — nothing else changed. No action is needed. |
Section 6: The Emotional Side
It would be dishonest to write this lesson without acknowledging that the emotional pull is real.
When you see your rand-denominated statement showing a decline, the instinct to act is natural. We are wired to respond to loss. The problem is that the statement is showing you currency weather — not the health of your underlying assets.
Three things that help:
- Look at your portfolio in dollar terms occasionally, not just rand terms. It tells a different story.
- Remind yourself why you made the allocation in the first place. The reason you wrote down six months ago is almost certainly still valid.
- Use the Capital Seasons framework as a circuit breaker. Ask: has the season changed? If not, the decision has not changed.
| The garden metaphor applies here too. When a cold front passes through in mid-Spring, you do not dig up your bulbs. You check the forecast, see that Spring is still the dominant season, and trust what you planted. |
Lesson Summary
| Concept | Plain-language meaning |
| Offshore exposure | Assets held in foreign currency — primarily USD — to protect long-term purchasing power |
| Currency weather | Short-term rand movements (weeks, months) — should not drive decisions |
| Currency climate | Long-term structural direction of the rand — should inform portfolio structure |
| The rand trap | Reducing offshore exposure because the rand had a calm month |
| Structure vs trade | Offshore allocation is a structural decision, not a trade to time |
| Season check | The primary question is: has the market season changed? If not, the allocation is unchanged |
Reflection Questions
Take a few minutes to consider these before your next review:
| 1. Do you know what your current offshore allocation percentage is? Is it within a target range you consciously set? |
| 2. When last did you check your offshore portfolio in dollar terms, not just rand terms? What did it show? |
| 3. Can you remember the last time you made a change to your offshore exposure because of the rand rate? Was that decision weather-driven or climate-driven? |
| 4. What would need to genuinely change — in the market, or in your own circumstances — for you to review your offshore allocation? |
| 5. In the current season (Spring), what is the appropriate emotional posture toward your offshore holdings? |
Coming Up: Lesson 5
In the next lesson we look at the other side of this question: when IS the right time to change your offshore allocation? We will work through what a genuine season-based rebalancing decision looks like, and how to use the MPI to guide the timing.
Capital Seasons | Invest with the seasons. Not the noise. | capitalseasons.co.za
Disclaimer: Capital Seasons is an educational platform. This lesson does not constitute personal financial advice. Always consult a licensed financial advisor before making investment decisions.
The Rand, Offshore Exposure, and the Long Game