Začínáme s investováním
What Is Investing and Why Saving in a Current Account Loses to Inflation
Key takeaways
- Investing means buying an asset (stocks, ETF, bond) that grows and earns over the long term.
- Money in a current account earns almost no interest, yet inflation erodes its purchasing power every year.
- At 3% inflation, 100,000 CZK loses roughly a quarter of its real value over 10 years.
- The goal of investing is not to get rich overnight, but to beat inflation over the long run and put your money to work.
- A savings account is for your emergency reserve; investments are for goals that are years or decades away.
Investing is the purchase of assets that grow in value or generate income over time — typically stocks, ETFs, or bonds. Instead of sitting idle and losing value, your money works for you. That is the whole principle, and at the same time the main difference from saving, where money simply sits on the sidelines.
Saving vs. investing: what is the difference
Saving means setting money aside in a safe place (a current or savings account). It is liquid, virtually risk-free, and you can access it at any time. The problem is the return — in a current account it is close to zero. Investing, on the other hand, means accepting fluctuations in value in exchange for a substantially higher long-term return. Saving protects; investing builds.
Why a current account quietly loses
The enemy is called inflation — gradual price increases that mean you can buy less with the same amount next year. When your money sits in an account earning zero interest and inflation runs at, say, 3% per year, your money stays nominally the same but loses purchasing power in real terms every year.
- 100,000 CZK today has, at 3% inflation, the purchasing power of roughly 74,000 CZK in today's money after 10 years.
- After 20 years it is only around 55,000 CZK — you lose nearly half without spending a thing.
- The number on your statement does not change, so the loss is invisible. That makes it all the more insidious.
How investing beats inflation
Stock markets grow faster than inflation over the long term because behind them stand real companies that earn money, grow, and raise the prices of their products. A broad equity index like S&P 500 has historically returned roughly 7–10% per year (nominal, with large swings). Even after subtracting inflation, you are left with real growth — precisely what a savings account cannot deliver.
The secret weapon is compound interest: returns start earning further returns, and after years it snowballs. The sooner you start, the bigger the difference.
This does not mean saving is useless
On the contrary — everyone needs both. A savings account is ideal for your emergency reserve and for money you will need soon. Investments are for goals that are years or decades away, where time has room to work and where you can ride out short-term fluctuations. The rule is: money you might need within 3 years should not be invested.
How to start
You do not need to be an expert or have a lot of money. It is enough to understand a few basics, choose a cheap, broad fund, and send a smaller amount into it regularly. We cover exactly how in the article first steps, step by step. And you can get a feel for how your money would grow right now in the growth projection.
FAQ
Is investing the same as saving?
No. Saving sets money aside in a safe place with minimal return (savings account). Investing buys assets that grow and earn over the long term in exchange for fluctuations in value. Saving protects; investing builds wealth.
How does inflation eat away at money in an account?
Inflation makes goods and services more expensive, so over time you can buy less with the same amount. The number on your statement stays the same, but its purchasing power falls. At 3% per year, a Czech crown loses roughly half its value over 20 years.
Can I lose money by investing?
In the short term, yes — the value of an investment fluctuates and can fall below the amount you put in. That is why only money you will not need for years should be invested. Over the long term and with a broad index, the risk of permanent loss decreases significantly.
How much does the stock market return over the long run?
Broad equity indices have historically returned roughly 7–10% per year nominally, but with large swings and drawdowns along the way. Past returns do not guarantee future ones — it is a long-term average, not a certainty.