Donchian Channel Trading: Turtle Trading System
Donchian Channels show N-period highs and lows—the foundation of turtle trading. Learn to trade breakouts with this classic trend-following system.
- Upper band = N-period high. Lower = N-period low. Breakout above upper = long. Below lower = short.
- Turtle system: enter 20-period breakout, exit 10-period opposite. Classic trend following.
- Thrive displays Donchian Channels with breakout alerts.
Explore Donchian Strategies
Click through Donchian strategies:
Price closing above upper Donchian = new N-period high. Classic turtle trading entry. Breakout signals new uptrend potentially starting.
Setup
Price breaks above upper band (N-period high)
Enter long on upper band breakout. Stop below lower band or middle line. Classic trend-following entry. Works best in trending markets.
What Is a Donchian Channel?
Donchian Channel shows the N-period high-low range. Upper band = highest high over N periods. Lower band = lowest low. Middle = average of the two. Created by Richard Donchian, father of trend following.
When price breaks the upper band, it's making a new N-period high. This signals potential new uptrend. The turtle traders made millions with this simple concept.
Donchian Analysis
Thrive displays Donchian Channels with breakout alerts.
The Turtle Trading System
Turtle trading uses Donchian breakouts:
- Entry: Price breaks 20-period high → go long. Breaks 20-period low → go short.
- Exit: Price breaks 10-period low → exit long. Breaks 10-period high → exit short.
- Sizing: Use ATR for position sizing and stops.
Simple rules, objectively defined. Captures big trends, accepts small losses on false breakouts.
| Signal | Setup | Action | Exit |
|---|---|---|---|
| Long Entry | Break 20-period high | Buy | Break 10-period low |
| Short Entry | Break 20-period low | Short | Break 10-period high |
| Middle Exit | Cross middle line | Exit | Alternative exit |
| Range Fade | Touch band in range | Fade | Middle line |
Limitations
Donchian breakouts fail in ranges. False breakouts cause whipsaws. Solutions:
- Use trend filter (ADX > 25)
- Accept some false signals as cost of catching trends
- Use wider channel for fewer signals
- Combine with volume confirmation
Filtered Breakouts
Thrive filters Donchian breakouts with trend and volume context.
Common Mistakes
- Fading breakouts: Don't short upper band in trending market. Respect breakouts.
- No stop: Turtle system uses stops. Define your exit before entry.
- Overtrading ranges: Many signals in ranges are false. Use trend filter.
- Expecting perfection: System has losing trades. Wins need to be bigger than losses.
Frequently Asked Questions
What is a Donchian Channel?
Upper band = highest high over N periods. Lower band = lowest low. Middle = average of upper and lower. Shows the N-period trading range.
What is the turtle trading system?
Famous trend-following system using Donchian breakouts. Enter on 20-period high/low breakout. Exit on 10-period breakout opposite direction. Simple but effective.
How do I trade Donchian breakouts?
Price breaking above upper band = new N-period high. Go long. Breaking below lower band = new N-period low. Go short. Trend-following entries.
What is the middle line used for?
Middle line is average of upper and lower bands. Use as exit level. Long trades: exit when price breaks middle. Also acts as trailing stop.
Donchian vs Bollinger vs Keltner?
Donchian = pure high/low range. Bollinger = SMA ± standard deviation. Keltner = EMA ± ATR. Donchian simplest; others are volatility-adjusted.
What Donchian period should I use?
20 periods classic for entries. 10 for exits (turtle system). 55 for longer-term. Match to your trading timeframe.
Does Donchian work in ranges?
Donchian breakouts fail in ranges (false breakouts). Works best in trending markets. Use with trend filter or accept some whipsaws.
Does Donchian work for crypto?
Yes. Crypto trends strongly, making Donchian effective. Breakout system captures big moves. Prepare for whipsaws in consolidation.