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Demo vs real - differences in trading

Why demo trading is not the same as real trading

Kacper MrukMay 21, 2026Updated: May 21, 20261 min read

Have you ever wondered why your successes on a demo account do not translate into real profits? Here are the key differences that may surprise you.

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What are you doing wrong?

The first mistake many beginner traders make is relying too much on a demo account. It acts like a simulator, but without the emotions associated with real money. For example, in demo trading, you might observe a profit of 5%, meaning on an investment of 10,000 zł, you earn 500 zł. In reality, when you see on your real account that your 500 zł is at risk, emotions can take over, leading to hasty decisions. Another mistake is ignoring price slippage. In demo trading, order execution can be immediate, while in the real world, a buy order for stocks may be executed at a slightly higher price than you anticipated. For example, you want to buy stocks at 100 zł, but in reality, you pay 102 zł, which reduces your potential profit. The last example is the failure to account for the spread. In demo trading, the spread may seem small, but in the real market, the difference between the buy and sell price can reach several zł, which significantly impacts the final result with a large number of transactions.

Why is it a problem?

The problems arising from the differences between a demo account and a real account are mainly emotional and technical. Emotions such as fear of loss or greed can lead to breaking established strategies. Slippage affects your ability to accurately determine entry and exit points in the market, which can result in unforeseen losses. Finally, differences in spreads can significantly reduce your profit on each trade, especially in the case of frequent trading. All of this makes the results achieved on a demo account potentially misleading and not reflective of the reality of live trading.

How much does it cost you?

Assume you have a starting capital of 15,000 PLN and plan to achieve a monthly profit of 5%. In a demo account, this means a profit of 750 PLN. In a real account, due to price slippage and a wider spread, your actual profit may drop to 3%, which gives you 450 PLN. Additionally, emotions can lead to mistakes that cost another 2% of the capital value, which is 300 PLN. Ultimately, instead of the planned profit of 750 PLN, you end the month with only 150 PLN profit or even a loss if you do not take appropriate actions.

What to do differently

To minimize the differences between demo trading and real trading, it is worth applying a few practical strategies:

  • Apply strict risk management: Determine the maximum loss per trade and stick to it regardless of emotions.
  • Set realistic expectations: Remember that real profits may be lower than in demo.
  • Practice full simulation: Instead of relying solely on demo, conduct tests on a small capital account to get used to the emotions of real trading.
  • Monitor current market conditions: Check the spread and expected slippage before each trade.
  • Education and reflection: Regularly analyze your trades to understand what went well and what can be improved.

🎯 Habit to implement

Start Keeping a Trading Journal to Better Understand Your Emotions and Decisions.

Frequently Asked Questions

How to analyze trading instruments effectively?
Effective analysis combines technical analysis (charts, patterns, indicators) with fundamental analysis (economic data, news events). Understanding both short-term price action and long-term trends is essential.

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