Recently, many people have become interested in day trading; some say it can lead to quick profits, while others lose everything. I’ve spent time organizing findings from regulatory agencies and academic research, and I want to share some practical insights for those considering trying it.

First, the conclusion: both regulators and studies indicate that most retail day traders actually lose money after deducting fees and taxes. But this doesn’t mean it’s impossible—just that the risks are very high and require special caution.

What is day trading? Simply put, it’s buying and selling within the same trading day, usually involving multiple trades. Traders aim to capture short-term price fluctuations and don’t hold positions overnight. This trading style emphasizes frequency and quick decision-making, hence called day trading.

Why do so many compare day trading to gambling? Because the research data is sobering. U.S. regulators FINRA and SEC have issued investor warnings about the high risks of day trading, suggesting it may not be suitable for most retail investors. Academic studies are even more direct—multiple peer-reviewed research papers find that most active traders are unprofitable after accounting for all costs. The key factors are trading costs: commissions, bid-ask spreads, slippage, financing interest—these seemingly small amounts can significantly eat into profits when trading frequently.

I came across an example that illustrates the problem well: a trader buys and sells the same stock within a few hours. The gross profit looks good, but after deducting trading costs and slippage, the profit disappears. High trading frequency amplifies these effects.

Are there people who make money from day trading? Yes, but very few. Studies show that a small subset of active traders do achieve positive returns, but the problem is distinguishing whether that’s due to skill or luck. To tell skill from luck, you need many years of trading records and detailed out-of-sample testing.

If you still want to try, here’s my responsible advice:

First, learn the basics. Understand what day trading is, the cost structure, and risk management. Don’t get blinded by success stories—those may suffer from survivor bias.

Second, practice in a simulator. Set time limits, such as practicing every two hours, and restrict the number of trades. Record the reasons for entry, exit points, realized slippage, and fees. This step is crucial—it allows you to experience the time pressure of real trading without risking real money.

Third, track all costs. Don’t just look at gross profit—look at net results. Keep records in spreadsheets and review weekly. If the net results after costs are consistently marginal, your edge may not be strong enough.

Fourth, write a formal plan. Include position sizing rules (risk per trade limited to a small fraction of total capital), stop-loss limits, and acceptable loss thresholds. This plan is vital because psychological factors can ruin everything—confirmation bias, overconfidence, chasing winners are common pitfalls.

Also, be aware of several traps: overtrading amplifies costs; using margin may seem to boost returns but can accelerate losses; cognitive biases can lead to irrational decisions.

To assess if you’re suitable for day trading, ask yourself three questions: Can you handle losses? Do you have time to learn and monitor? Do you have a clear written plan? If your answers aren’t clear, continue practicing in the simulator and avoid real money for now.

Honestly, day trading is more like a skill that requires long-term validation rather than a quick way to get rich. Both regulators and research emphasize the risks—not to scare, but based on real data. If you decide to try, treat early practice as research and learning, and don’t expect instant income. Start with learning and simulation, and protect your capital.