Day Trading: What Research Says About Who Really Makes Money

Day trading means opening and closing positions within a single session, without holding them overnight. The best research on large groups shows that the vast majority of day traders lose money, and the profitable minority stands out for its process, not its indicators.

What it is

A day trader avoids overnight gap risk and can use day-trading margin. The price is a large number of trades, costs and having to make decisions under time pressure.

The most common questions about day trading are “how much can you make”, “how do I start” and “is it worth it”. An honest answer starts with the data.

How people use it

trading indices, forex and crypto intraday
strategies based on indicators and patterns
trading around the session open and data releases

What the research and evidence say

In Brazil, 97% of people who day-traded index futures for at least 300 days lost money, and only 0.4% earned more than a bank teller (Chague, De-Losso and Giovannetti, 2020). In Taiwan, predictably profitable day traders made up less than 3% (Barber, Lee, Liu, Odean and Zhang). The authors of the Brazilian study also found no evidence that people learn by continuing to trade.

Weaknesses

the vast majority of participants lose
costs and slippage across many trades
decisions under time pressure and emotion
in the short run it's easy to mistake luck for skill

What order flow shows

If you trade intraday, information about what today's participants are doing matters more than indicators from the last few weeks: where the market accepts price, who is aggressive, where liquidity is waiting. Order flow and the volume profile don't change the statistics from the research, but they give you information the rest of the crowd isn't looking at.

Indicators vs order flow

Every indicator and every pattern in this section is built from the same data: a candle's open, high, low, close and sometimes volume. They're derivatives of price, showing the effect rather than the cause. Order flow looks at what price is made of: who was buying and selling aggressively (delta), where limit orders were waiting (the order book) and at which prices the market accepted trade (the volume profile).

On CME futures this data is real and comes from one central market. Spot forex doesn't have it: platforms show tick volume, the number of price changes at a single provider.

To be fair: order flow isn't the Holy Grail. It takes learning, it can be noisy, big players hide some of their orders, and an edge only comes from a process and risk control. But it gives you information that simply isn't on a candlestick chart.

How to use it sensibly

start with an honest journal and results calculated after costs
judge your process over a large number of trades, not one week
take the research statistics seriously: they're the starting point, not the exception

Glossary: Trading journal
Glossary: Trading plan
Glossary: Sample size
Glossary: Win rate
Atlas of biases: Overconfidence
Atlas of biases: The law of small numbers
Atlas of biases: Outcome bias
Order flow: A Trading Journal That Teaches: Structure, Tags and Review
Order flow: Replay training: how to practise reading the market outside the session
Also under the microscope: Scalping
Also under the microscope: Swing trading
Also under the microscope: The breakout strategy

Hetman Terminal – the “Order flow” set: heatmap, DOM, footprint and profiles in one window. Screenshot from the Hetman Index (IHA) – a training instrument, simulated data. See all the Hetman Terminal tools →

Frequently asked questions

How much can you make day trading?

Research on large groups shows that most people lose. In Brazil, only 0.4% of persistent day traders earned more than a bank teller.

Is day trading profitable?

For a small minority. What matters is process, risk control, costs and the information you use.

How do you start day trading?

With knowledge of the instrument, simulation, a journal and a risk plan – before real money comes into play.

Educational content, not investment advice. No signals, entries, stops or position sizes.