1) Transaction fees eat profits. 2) Slippage + wide spreads. 3) Emotions hard to control with 10+ trades/day. 4) Competition against algorithmic traders.
Opening Range Breakout (break of first 15 min range). Gap fill (price fills yesterday gap). VWAP bounce. Pivot points.
VWAP (very strong for intraday), Pivot Points (S/R), Volume (confirmation). Avoid MACD/RSI — too laggy for 1-5min timeframes.
Max 1% capital per trade. Tight stop loss (0.5-1%). 3 consecutive losing trades = stop trading that day.
T+2 settlement: cannot truly "day trade" stocks. Only VN30F1M futures derivatives. Low liquidity for penny stocks.
Don't day trade with capital < 500M VND. Don't day trade without 3+ years swing experience. Day trading is NOT a get-rich-quick path.