Začínáme s investováním
What Is a Portfolio — and What Does the Simplest One Look Like
Key takeaways
- A portfolio is the sum of all your investments — stocks, ETFs, funds, and cash combined.
- Diversification (spreading money across multiple investments) reduces the risk of losing everything at once.
- The simplest portfolio for a beginner is one global ETF — which by itself holds thousands of companies.
- As your wealth and experience grow, you gradually expand the portfolio.
A portfolio is everything you invest in — stocks, ETFs, funds, cash, or even real estate.
Why build a portfolio at all?
If you put all your money into one stock and that company goes bankrupt, you lose everything. A portfolio protects you from that. When you spread money across multiple investments, the fall of one will not wipe you out. This is called diversification — the golden rule of every investor.
Good news: a single global ETF is itself an excellently diversified portfolio. It holds shares in thousands of companies around the world. You do not buy thousands of stocks manually — the fund handles diversification for you.
What does the simplest beginner portfolio look like?
One ETF tracking the entire world — for example a fund replicating the MSCI World or FTSE All-World index. Such an ETF holds shares from the US, Europe, Japan and other developed markets. For specific tips on building such a portfolio, see the article How to build your first portfolio.
- Advantages: simple, cheap, just one purchase a month.
- Disadvantages: less customised — but for a beginner that is a strength, not a weakness.
What is allocation?
Allocation describes how your money is divided between different types of investments. Example: 80% equity ETF, 20% bonds. The more stocks, the higher the potential return but also the larger the swings. The more bonds, the smoother the ride but the lower the return. As a beginner with a long horizon (10+ years) you can generally afford more stocks.
How do you track your portfolio?
Buying an ETF and forgetting is not enough. Check at least once a year whether your allocation still matches your plan. If stocks have grown a lot, their share may have increased — ideally you rebalance by making additional purchases. This process is called rebalancing. Otherwise you do not need to check your portfolio every day — that actually does more harm than good.
FAQ
How many ETFs do I need for a proper portfolio?
One global ETF (MSCI World or FTSE All-World) is enough. Adding a second and third ETF only makes sense if you specifically want to increase exposure to emerging markets or bonds. More funds do not automatically mean better results.
Should I share or make my portfolio public?
That is entirely up to you. Sharing a portfolio can be motivating, but remember: everyone has a different age, income, goals and risk tolerance. Never blindly copy someone else's portfolio — what works for them may not work for you.
What should I do when the market drops and my portfolio loses value?
The worst thing you can do is sell in a panic. Downturns are part of investing — historically markets have always recovered and surpassed previous highs. Continuing to invest regularly during a decline is actually advantageous because you are buying at lower prices.