That is the short answer. The rest of this page covers how day trading works, what changed with the US $25,000 rule in 2026, and why the odds are stacked the way they are, using our own price data where we can.
How does day trading work?
A day trader opens a position and closes it before the market closes, usually within minutes or hours. The aim is to profit from small intraday price movements rather than from a company's long-term value.
Three things define it:
- Timeframe: seconds to hours. Positions are flat by the close.
- Size of moves: small. On an average day, SPY moves well under 1% from open to close (our data below).
- Frequency: high. Because each move is small, day traders trade often and usually use leverage (margin, options or futures) to make the moves worth taking.
Each of those three features drives up costs. That's the root of most of what follows.
Do you still need $25,000 to day trade in the US?
Not since 4 June 2026, though your broker may not have switched yet. For 25 years, the US pattern day trader (PDT) rule required $25,000 in a margin account before you could make four or more day trades in five business days. FINRA has replaced it with new intraday margin requirements. According to FINRA's own investor page, there is now "no $25,000 minimum equity requirement for day trading" and no PDT label based on counting trades.
What actually applies now:
- $2,000 is the minimum equity for trading on margin (leverage). Below that, you can still trade in a margin account, but only with your own cash.
- Your equity is monitored during the day against your open positions. Fall short and you have an "intraday margin deficit" to cover.
- Brokers can phase the change in until 20 October 2027. Your broker may still enforce the old $25,000 rule until then, so check with them.
FINRA's same page also says that "frequent trading with margin remains a high-risk activity." The rule change made day trading easier to start. It did not change the odds.
Outside the US, rules differ by country and broker. This section covers US FINRA rules only.
Why do most day traders lose money?
These are the two largest studies of actual day-trader accounts. Both use complete exchange records rather than surveys, so they include everyone who traded, not only the people who reply to a questionnaire.
- Taiwan, 1992–2006. Barber, Lee, Liu and Odean studied every day trader on the Taiwan Stock Exchange over 15 years. Their finding: "less than 1% of the total population of day traders is able to predictably and reliably earn positive abnormal returns net of fees."
- Brazil, 2013–2015 starters. Chague, De-Losso and Giovannetti followed everyone who began day trading Brazilian equity futures in those years. Of those who kept going for more than 300 days, 97% lost money. Only 1.1% earned more than the Brazilian minimum wage.
Those numbers aren't a verdict on any one person. They describe what happens when the four forces below act on a large group of people over time.
1. Costs are fixed, but moves are small
Every trade pays a spread (the gap between the buy and sell price), and often a commission or fee. Those costs are roughly the same whether you hold a stock for five minutes or five months. The difference is the size of the move they come out of.
Across five years of SPY daily prices (March 2021 to March 2026, 1,255 trading days), the median distance from open to close was 0.46%. The median full high-to-low range was about 1%.
Over the same five years, the median gain from holding SPY for 40 trading days was 2.64%, nearly six times the typical open-to-close move.
A day trader is fighting for the small number, many times over, and paying costs each time. A longer holder pays once and can capture the bigger one.
2. Being flat overnight means missing a lot of the move
Day traders close out before the bell, so they never hold through the overnight session, the gap between one day's close and the next day's open. For some stocks, that's where most of the return happened.
We split each stock's five-year return into two parts. "Intraday" is holding only from each day's open to its close. "Overnight" is holding only from each close to the next open. Price returns only, no dividends, no costs.
| Stock | Buy and hold | Intraday only | Overnight only |
|---|---|---|---|
| SPY | +71% | +39% | +23% |
| Nvidia | +1,191% | +119% | +491% |
| Tesla | +83% | −26% | +147% |
Over five years, Tesla rose 83%. A trader who held it only during market hours, every single day, would have lost 26% before any costs. Every bit of the gain, and more, came overnight.
SPY is more balanced, so this isn't a law that applies to every stock. The point is narrower: by design, a day trader gives up the overnight part of the return. For some of the most-traded stocks, that was the part that mattered.
3. Leverage makes small errors large
Because daily moves are small, day traders use leverage to make them worthwhile. Leverage magnifies losses in exactly the same proportion as gains. A strategy that is slightly negative before leverage becomes clearly negative after it, and the losses come faster.
4. Most of your counterparties are professionals
Every trade has someone on the other side. In liquid markets, a large share of short-term volume comes from professional market makers and trading firms with faster data, lower costs and better execution. A retail day trader isn't competing against the average person. They're competing against the best-equipped participants in the market, at the timeframe where those firms' advantages count most.
Is day trading the same as gambling?
No, but the odds have something in common. Skill exists in day trading: the Taiwan study found a small group who were consistently profitable. The issue is that the skilled group is tiny, and the costs of finding out whether you're in it are real money. Gambling has no skilled group at all. Day trading has one, and it's under 1% of participants.
What do people who try trading usually get wrong?
They start with the hardest version. Day trading has the smallest moves, the highest costs relative to those moves, and the most skilled competition. Many traders who eventually do well started on longer timeframes, where a wrong entry has time to recover and costs are a smaller share of each trade. Our swing trading explainer covers that alternative.
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