Day trading means buying and selling the same stock within the same trading day. Studies show 70-90% of day traders lose money over time. Before you try it, understand the rules, the odds, and the alternatives.
US law classifies you as a Pattern Day Trader if you make 4+ day trades
in a 5-business-day period in a margin account.
Once flagged: you MUST maintain $25,000 in your account at all times.
Below $25,000: account is frozen for 90 days or until you deposit more.
Workarounds if you have < $25,000:
- Use a cash account (no margin) -- no PDT rule applies, but trades settle in T+1.
- Limit yourself to 3 day trades per 5-day window.
- Use an offshore broker (higher risk, less regulation).
- Swing trade instead (hold overnight).
Studies from Taiwan, Brazil, and the EU consistently find:
- Only 1-3% of day traders are consistently profitable year over year.
- The average day trader underperforms just holding SPY by 6-8%/year.
- Most profits go to high-frequency trading firms with microsecond advantages.
You're competing against:
- Algorithms that react in microseconds.
- Market makers who see order flow before you.
- Professional traders with 10,000+ hours of experience.
Short-term capital gains (held < 1 year): taxed as ORDINARY INCOME.
At a 22% tax bracket, every $1,000 profit costs $220 in taxes.
Long-term gains (held > 1 year): 0%, 15%, or 20% -- much lower.
Wash sale rule: you can't claim a loss if you rebuy the same stock within 30 days.
Frequent traders may need to pay quarterly estimated taxes.
Day trading CAN work with:
- Strict risk management ($100 max loss per trade).
- A defined edge (specific setup, not gut feeling).
- A simulator first -- 6+ months of paper trading before real money.
- Acceptance that most months will be negative while learning.
Better alternatives for most people:
Swing trading (2-10 day holds), ETF investing, or dividend stocks.
Related: Buy and Hold -- The Simple Path to Wealth • Position Sizing • Stop Loss Orders • Choosing a Trading Platform