Chart patterns are visual formations on a price chart that traders use to anticipate future price moves. Some patterns hint at trend continuation; others suggest a reversal. This guide breaks down the most common and useful chart patterns — how they form, what they signal, and how to trade them.
Two Main Categories
- Reversal patterns — signal that the existing trend is likely to reverse.
- Continuation patterns — signal that the trend is pausing before continuing in the same direction.
Reversal Patterns
1. Head and Shoulders
A classic bearish reversal pattern forming at the top of an uptrend. It consists of:
- Left shoulder (a peak).
- Head (a higher peak).
- Right shoulder (a lower peak, roughly matching the left shoulder).
- Neckline — a support line connecting the two lowest points between the shoulders.
The pattern completes when price breaks below the neckline on strong volume — signalling reversal.
2. Inverse Head and Shoulders
The mirror image, forming at a downtrend bottom. Same structure inverted. Breakout above the neckline signals bullish reversal.
3. Double Top
Price forms two peaks at roughly the same level, separated by a moderate low. The neckline is the low between the peaks. When price breaks below the neckline, it signals a reversal from up to down. Looks like the letter "M".
4. Double Bottom
The bullish equivalent. Two lows at similar levels forming a "W" shape. Break above the neckline signals reversal from down to up.
5. Triple Top / Triple Bottom
Similar concept with three peaks or lows instead of two. Rare but powerful when they occur.
Continuation Patterns
1. Bull Flag
After a strong upward move, price consolidates in a small, downward-sloping rectangle before breaking out to the upside again. Looks like a flag on a pole. Volume typically dips during the flag and rises on breakout.
2. Bear Flag
The bearish equivalent — after a strong drop, price consolidates in a small upward-sloping channel, then breaks lower.
3. Pennant
Similar to a flag but consolidation forms a small symmetrical triangle rather than a channel. Both flags and pennants suggest the previous trend will continue after brief pause.
4. Ascending Triangle
Flat resistance at the top, rising support at the bottom — creating a triangular squeeze. Often breaks upward. Bullish continuation.
5. Descending Triangle
Flat support at the bottom, falling resistance at the top. Often breaks downward. Bearish continuation.
6. Symmetrical Triangle
Both sides converging — lower highs and higher lows. Neutral in bias; the direction of the eventual breakout signals the next move. Often continues in the direction of the prior trend.
7. Rectangle
Price trades between clear horizontal support and resistance. Can be a consolidation before continuation or a distribution/accumulation before reversal.
How to Trade Chart Patterns
Step 1: Identify the Pattern in Context
Reversal patterns matter only if there was a clear prior trend. Continuation patterns need an established trend before them.
Step 2: Wait for the Breakout
Never trade a pattern before it completes. Wait for a decisive close above or below the key level (neckline, trendline, or support/resistance).
Step 3: Confirm With Volume
Genuine breakouts are typically accompanied by rising volume. Low-volume breakouts often fail (called fake-outs).
Step 4: Set Realistic Targets
Most patterns have a measured move target:
- Head and Shoulders: Distance from head to neckline projected downward from the breakout point.
- Double Top/Bottom: Height of the pattern projected in the breakout direction.
- Flag/Pennant: Length of the flagpole (previous strong move) added to the breakout point.
Step 5: Place Stop-Loss
A common approach: stop just above the last swing high (for shorts) or just below the last swing low (for longs), or beyond the pattern's structural level.
Common Mistakes
- Seeing patterns everywhere. Not every squiggle is a pattern. Be strict.
- Trading before the breakout. Patterns can fail.
- Ignoring volume. Fake-outs on low volume are common.
- Overriding the pattern with hope. If it fails, exit — don't rationalise.
- Using patterns without context. A bearish pattern in a raging bull market often fails.
Chart Patterns + Other Tools
- Volume — always confirm breakouts.
- Moving averages — patterns aligned with the higher-timeframe trend work better.
- Support/resistance — patterns breaking through key levels are more reliable.
- RSI / MACD — momentum confirmation increases signal strength.
Reliability of Patterns
No chart pattern works 100% of the time. Studies typically find success rates in the 60-70% range for well-formed patterns confirmed by volume. Even the best pattern can fail — always trade with a stop-loss.
Practical Checklist
- Is this pattern forming after a clear prior trend?
- Is the pattern well-defined (or am I forcing it)?
- Has the breakout occurred with confirming volume?
- Do momentum indicators (RSI, MACD) support the direction?
- Do I have a clear target and stop-loss?
Final Thoughts
Chart patterns are one of the most visually intuitive tools in technical analysis. They work best when combined with volume, trend context, and other indicators. Learn a few high-probability patterns well rather than dozens poorly. Practice identifying them on historical charts, and over time you will build the pattern recognition that turns chart reading into a genuine trading edge.