Online trading for beginners: guide and 10 mistakes

What should a beginner know before online trading?

That online trading is not a way to make money fast. It is an activity where you make decisions with incomplete information, and where most beginners lose money. In the European Union, CFD brokers must disclose the share of their retail accounts that lose money, and the published figures are usually between 60% and 90%.

That said, it can be learned. The people who stay and improve are not those who guess right more often, but those who lose little when they are wrong. That is why a good online trading guide for beginners talks about risk first and charts only later. The full picture, from the start, is in the guide to mindful online trading.

How to start online trading, step by step

1. Pick a single market. Stocks, crypto or currencies: just one at the start, so you learn how it moves.
2. Open a demo account. Real prices, pretend money. It lets you make mistakes for free. How to use it well is explained in free demo trading account.
3. Write down your rules. When you enter, where you place the stop, where you take profit, how much you risk. If a rule is not written down, you will not follow it at the wrong moment.
4. Decide your risk per trade. Many start from 1% of their capital: with 1,000 euros, at most 10 euros lost if the stop is hit. This is an illustrative example, not advice.
5. Keep a journal. Every trade, the reason, the result. After fifty trades the journal tells you more than any course.
6. Move to a real account only with numbers in hand. And with an amount you could lose entirely without changing your life. When you are ready is explained in from demo account to real account.

How much money does a beginner need?

Less than you think, and in any case only money you can afford to lose. With a demo account you need no real money. With a real account many platforms start from small amounts, and for learning a small amount is an advantage: mistakes cost little. We cover it in detail in how much money you need to trade online.

The 10 most common mistakes in online trading for beginners

They are almost always the same, in every market. Knowing them in advance saves you the price of discovering them on your own.

1. Entering without a stop loss. Without a stop, a small loss can become huge. The stop decides in advance how much you are willing to lose: how to choose it is in stop loss, what it is and how to set it.
2. Using too much leverage. Leverage multiplies gains and losses in the same way. With high leverage a small move against you is enough to lose the whole margin. Before using it, read financial leverage explained.
3. Risking too much on a single trade. If every mistake costs you 10% of the account, after a few mistakes in a row you have no room left to recover.
4. Trying to win it back straight away. After a loss you feel like jumping back in, bigger, to recover. It is the fastest way to turn a bad day into an empty account.
5. Moving the stop when the price gets close. Moving it further away to "give it room" means deciding to lose more at the worst possible moment to decide.
6. Trading too often. More trades do not mean more gains: they mean more fees and more rushed decisions.
7. Ignoring costs. Fees, spreads and financing costs eat part of every result. Over many small trades they can make the difference between an account in profit and one at a loss.
8. Looking only at how often you win. You can win seven times out of ten and still lose money, if the losses are bigger than the gains. What matters is the risk to reward ratio, explained in what R is in trading.
9. Following tips and signals without checking them. Whoever shows you only the trades that went well is not giving you information, they are selling you something. Before trusting a platform, read how to recognise a serious platform.
10. Skipping the demo account. Whoever starts straight away with real money pays full price for the lessons.

What is risk management, in plain words?

It means deciding before you enter how much you can lose, and sticking to it. In practice it comes down to three numbers: where you place the stop, how much of your capital you risk if the stop is hit, and where you plan to take profit. If the possible gain is smaller than the possible loss, the trade is often not worth it.

An illustrative example: you risk 10 euros per trade and aim to make 20. Even winning only four times out of ten, after ten trades you would be up 20 euros before costs. With the same win rate but gains of 5 euros, you would be down 40. To work out how much to buy based on your risk, there is our position size calculator.

Which online trading platform should you choose to start?

An authorised platform that tells you its costs clearly, lets you try it with a demo account and never asks you to send money to a person. The rest, the design, the bonuses, the promises, matters much less. Be wary of anyone who contacts you first or assures you of returns: in trading nobody can do that.

Where STA fits in

STA Super Trading Agents proposes trading cards on crypto and US stocks, on OKX: ten artificial intelligence agents analyse the market, a Bull and a Bear argue over every idea, and every card is born with its stop and target. For beginners it is a way to see how a trade is built with the risk decided beforehand. The funds stay in your OKX account and the history of the cards is public on GitHub, losses included.

The DEMO is free forever, with real prices and the same cards as REAL, and an account is required. During the launch phase STA's fees are suspended, in REAL too; the standard price list is 18% of each day's positive net result. For now there is only the web version.

Frequently asked questions

This article is for information only and is not investment advice. Trading crypto-assets involves a high risk, including the total loss of the capital used. Numerical examples are for illustration.