Module 1 · Types of Forex Charts

Lesson 2: Chart Patterns: A Trader's Guide to Reading Price

Published May 05, 2025 Updated Oct 02, 2026 15 min read
Lesson overview

Price charts can look random at first. Look closer and you will often see familiar shapes. These are chart patterns. Traders use them to study the balance between buyers and sellers and plan for possible price moves. 

This guide covers the three main groups of forex chart patterns: reversal, continuation, and bilateral patterns. It also explains how popular setups work and how to trade them with confirmation. 

Chart patterns do not predict the future. They can fail even when a setup looks clear. Forex and leveraged trading can lead to large losses. Only risk money you can afford to lose. 

What are chart patterns? 

Chart patterns are shaped by price over time. Traders mark them with trendlines, curves, and horizontal support or resistance levels. A confirmed pattern can show whether buyers or sellers are gaining strength. 

Buyers may defend the same support level several times. Sellers may stop prices near the same resistance level. In other cases, the gap between both sides gets smaller until the price breaks out. 

Patterns repeat because people often react in similar ways to risk, uncertainty, and sudden price changes. Still, a chart does not need to match a textbook image perfectly. What matters is a clear structure. Most patterns also need a breakout or breakdown before they are complete. 

Chart patterns are different from candlestick patterns. A candlestick pattern may use one candle or a small group of candles. A chart pattern covers a wider part of the chart. It may take days, weeks, or months to form. 

The three groups of chart patterns 

Chart patterns are generally divided into three groups: reversal, continuation, and bilateral patterns. Each suggests a possible market outcome, but none guarantees what price will do next. 

Group 

What it may signal 

Common examples 

Reversal 

The current trend may change direction 

Head and shoulders, double top, double bottom 

Continuation 

The trend may continue after a pause 

Flags, pennants, rectangles, ascending and descending triangles 

Bilateral 

Price could break in either direction 

Symmetrical triangle, diamond 

Market conditions still matter. The same shape can produce a different result based on the earlier trend, timeframe, and strength of the breakout. Some patterns can also fit more than one group. A wedge may lead to a reversal in one market and a continuation in another. 

Reversal chart patterns 

Reversal patterns can warn that a trend is losing strength. A bullish trend may turn bearish. A bearish trend may turn bullish. These patterns carry more weight after a clear rise or fall. 

Do not assume a reversal has started just because the outline is visible. Price should first break an important neckline, support, or resistance level. 

Head and shoulders 

The head and shoulders pattern often appears after an uptrend. It has three peaks. The first is the left shoulder. The higher the middle peak is the head. The third and lower peak is the right shoulder. A neckline connects the two lows between the peaks. 

This setup shows a change in momentum. Buyers push price to a new high at the head but fail to show the same strength at the right shoulder. 

The pattern becomes bearish once the price closes below the neckline. Some traders enter after the break. Others wait to see if price returns to test the neckline. A common target uses the distance from the head to the neckline. That distance is measured from the breakout point. 

An inverse head and shoulders pattern uses the same idea after a downtrend. It points to a possible rise after price breaks above the neckline. 

Read more: TradersUnited - Guide to Head and Shoulder Pattern Trading  

Double top and double bottom 

A double top has two peaks near the same price. It usually appears after a strong rise. The lowest point between the two peaks forms the key support level, often referred to as the neckline. The second failed attempt to break above resistance may show that buyers are losing control. Price must break below the neckline to confirm the pattern. 

A double bottom is the bullish version. It has two lows near the same level after a decline. The highest price point between them acts as resistance. A move above that level confirms the pattern. 

For both setups, the usual target comes from the height between the peaks or lows and the neckline. Measure the same distance from the breakout point. This is only an estimate. Two similar highs or lows do not guarantee a reversal. 

Rising and falling wedges 

A wedge forms between two trendlines that move closer together. 

Both lines point higher in a rising wedge. The lower line usually rises faster. Price keeps climbing, but the range gets tighter. This can show weaker buying pressure and may lead to a bearish break. 

Both lines point lower in a falling wedge. The upper line usually falls faster. Selling pressure may be fading as the range gets smaller. A break above the upper line can be bullish. 

Wedges can mark a reversal or a short pause in a larger trend. Their location helps explain the setup. A rising wedge after an uptrend may warn of a reversal. The same wedge inside a downtrend may be a brief move against that trend. Wait for price to break the relevant trendline. 

Continuation chart patterns 

A market does not move in a straight line. Price often pauses before a trend continues. Continuation patterns can appear during these pauses. 

The pause may come from profit-taking or a short balance between buyers and sellers. It does not always lead to another move in the same direction. A breakout must still confirm the setup. 

Triangles: ascending, descending, and symmetrical 

Triangles form when the space between two price boundaries gets smaller. 

An ascending triangle has flat resistance and rising support. Buyers step in at higher prices while sellers defend the same upper level. This gives the pattern a bullish bias. A clear break above resistance is still needed. 

A descending triangle has flat support and falling resistance. Sellers accept lower prices while buyers defend the same lower level. This gives it a bearish bias. The setup is confirmed after price breaks below support. 

A symmetrical triangle has falling resistance and rising support. Either side can win. Price may break up or down. It is better to wait for a confirmed direction rather than guess. 

One target method starts with the widest part of the triangle. Measure this distance from the breakout point. False breaks are common. A strong candle close outside the pattern, or a successful retest can add support to the trade idea. 

Flags and pennants 

Flags and pennants are short pauses after a sharp price move. That first move is called the flagpole. 

A flag looks like a small channel. It often moves sideways or slightly against the earlier trend. A pennant has two lines that meet and looks like a small symmetrical triangle. 

A bullish version appears after a strong rise. It is confirmed when price breaks above the short consolidation. A bearish version follows a sharp fall and needs a break below the pattern. 

The length of the flagpole can be measured from the breakout to estimate a target. Price may never reach that level. Weak momentum or nearby support and resistance can stop the move early. 

Rectangles 

A rectangle appears when price moves sideways between support and resistance. Price tests both levels several times but stays inside the range. Buyers and sellers are temporarily balanced. 

The earlier trend may continue after the range ends. Price can also break the other way. Most traders wait for a close outside the range before making a decision. 

The height of the rectangle can serve as an estimated target. Measure it from the breakout point. A stop may sit back inside the range or beyond the opposite side. The choice depends on the trading strategy and the amount of risk involved. 

Harmonic and Advanced Forex Chart Patterns 

Harmonic price patterns use measured price swings and Fibonacci ratios to find possible reversal zones. The Gartley and butterfly pattern are common examples. Each has several legs that must fall within set ratio ranges. A similar-looking shape is not enough. 

The diamond pattern is advanced. Price swings first grow wider and then become narrower. It may appear near a market top or bottom. Its boundaries can be hard to draw. Clear confirmation and risk control matter even more here. 

How to trade chart patterns 

Use the same basic process each time you study a pattern. 

  1. Start with the wider trend. Look at the highs and lows. Mark the main support and resistance areas. A pattern can give the wrong impression when viewed on its own. 
  2. Draw the structure. Use clear swing points for the boundaries. Do not bend trendlines around random movement just to make a familiar shape. 

  3. Wait for the pattern to finish. The setup remains unconfirmed while price stays inside it. Decide whether your rules need a candle close, a simple break or a breakout followed by a retest. 
  4. Check the strength of the move. Volume can help in markets with dependable data. Spot forex has no single central volume source. The market operates across a fragmented network of dealers and trading venues, as explained in the BIS review of the FX trade execution landscape. For this reason, the volume shown by a retail forex platform represents activity recorded by that provider rather than the entire market. 

  5. Set a target and stop level. Use the pattern height when that method applies. Then find the price that would prove the trade idea wrong. Base the stop on that level instead of choosing a random cash amount. 
  6. Choose the position size. Use the distance to the stop and the amount you can risk. Pass the trade if the position is too large, or the possible reward does not justify the risk. 

How reliable are chart patterns? 

No chart pattern works every time. A clear setup can fail. Price can also cross a boundary for a short time and move back inside. This is a false breakout. 

Pattern recognition can also be subjective. An NBER study on the foundations of technical analysis used computer-based methods to identify formations such as head and shoulders and double bottoms. The researchers found that some patterns provided useful information within their historical sample. However, this did not mean that every pattern predicted the next price to move. 

Results change across currency pairs, timeframes, and market conditions. They also depend on how the pattern is defined and how the trade is managed. Be careful with claims that give a pattern of one fixed success rate. Such figures mean little without the sample size and test method behind them. 

A clear pattern and strong breakout can make the setup more reliable. The earlier trend should also support the idea. Higher timeframes may contain less noise than very short charts. However, they offer fewer setups and often need wider stops. 

Test your rules with historical data and a demo account before risking money. Record losing trades as well as winners. Include spreads, fees and possible slippage. Keep the risk on each trade small enough that one failed pattern cannot cause serious damage. 

Chart patterns cheat sheet 

Use this table for a quick review. Check the full chart before you trade. Targets are estimates and not promised results. 

Pattern 

Group 

Typical signal 

Common target rule 

Head and shoulders 

Reversal 

Bearish after an uptrend 

Measure from head to neckline and project down 

Inverse head and shoulders 

Reversal 

Bullish after a downtrend 

Measure from head to neckline and project up 

Double top or bottom 

Reversal 

Break beyond the neckline 

Project the pattern height from the break 

Rising or falling wedge 

Reversal or continuation 

Break beyond the relevant boundary 

Project the widest section from the break 

Triangle 

Continuation or bilateral 

Break beyond support or resistance 

Project the widest section from the break 

Flag or pennant 

Continuation 

Break in the earlier trend’s direction 

Project the flagpole length from the break 

Rectangle 

Continuation or bilateral 

Break beyond the range 

Project the range height from the break 


Conclusion: Are chart patterns worth using? 

Forex chart patterns can help traders understand price movements and plan possible entries, targets, and stop levels. Their value lies in providing structure, not certainty. Always consider the wider market, wait for confirmation, and manage your risk. 

Join CommuniTrade to connect with trading experts who share chart pattern insights and practical market knowledge. You can also download The Trader’s Blueprint: Mastering Chart Patterns for a more comprehensive lesson on identifying and using key formations. 

Join CommuniTrade Now and Download the Ebook 


Frequently asked questions 

What are the most reliable chart patterns? 

Head and shoulders, double tops and bottoms and triangles are widely followed. A clear shape and confirmed breakout can make them more useful. Strong momentum or reliable volume data may offer more support. No pattern is guaranteed, and each one can fail. 

How do you trade chart patterns? 

Start with the main trend. Wait for the pattern to finish and for price to break a key boundary. Set an estimated target based on the pattern height when suitable. Put the stop at a level that proves the idea wrong. Set the position size based on how much you can afford to risk. 

What is the difference between continuation and reversal patterns? 

Continuation patterns suggest that a trend may resume after a pause. Flags and pennants are common examples. Reversal patterns suggest that the trend may change direction. These include head and shoulders and double tops or bottoms. Some formations can do either one. Context and confirmation still matter.