Ascending Triangle Pattern - How to Identify & Trade

Ascending Triangle Pattern

A bullish continuation pattern where rising support compresses into flat resistance before breakout.

Bullish Continuation
Flat Resistance Rising Support (Higher Lows) Breakout Target

How to Identify an Ascending Triangle

• Flat horizontal resistance with at least 2 touches: The upper boundary of the triangle is a horizontal line where price repeatedly gets rejected. Each touch of resistance confirms that sellers are defending this level. The more touches, the more significant the eventual breakout will be.

• Rising trendline of higher lows: The lower boundary is an ascending trendline connecting at least two higher lows. Each pullback from resistance finds buyers at a higher price than the previous pullback, demonstrating increasing buying pressure and eagerness among bulls.

• Price compresses toward the apex: As the higher lows approach the flat resistance, the trading range narrows and volatility decreases. This compression creates a coiled-spring effect where energy builds for the eventual breakout. Volume typically decreases during this compression phase.

• Breakout above resistance with volume: The pattern is confirmed when price closes above the flat resistance level with significantly increased volume. The breakout should occur before price reaches the apex of the triangle (ideally in the first two-thirds of the pattern). Breakouts near the apex tend to be weaker.

How to Trade the Ascending Triangle

Entry

Enter long when price breaks and closes above the horizontal resistance with above-average volume. Wait for a full candle close above resistance to avoid false breakouts. Aggressive traders may enter on the third touch of the rising support trendline within the triangle.

Stop-Loss

Place your stop below the most recent higher low or just below the rising support trendline. A break below the trendline invalidates the ascending triangle pattern. Keep the stop tight enough to maintain a favorable risk-to-reward ratio of at least 1:2.

Target

Measure the height of the triangle at its widest point (from the flat resistance to the first low on the rising trendline). Add this distance to the breakout point. For example, if resistance is at $100 and the first low is at $85, the target is $115.

Success Rate

73%
Historical success rate when confirmed with volume

The Ascending Triangle is among the most reliable continuation patterns, with a breakout in the expected upward direction approximately 73% of the time. According to Bulkowski's research, the average rise after an upward breakout is about 35%. The pattern is most dependable when it forms during an established uptrend, when the resistance level has been tested at least three times, and when volume progressively declines within the triangle before surging on the breakout. Patterns that take 3-8 weeks to form tend to produce the most significant moves.

Frequently Asked Questions

An Ascending Triangle is a bullish continuation chart pattern formed by a flat horizontal resistance line at the top and a rising support trendline at the bottom connecting higher lows. Price bounces between these two boundaries, compressing into a tighter range. The pattern shows that buyers are becoming increasingly aggressive (willing to buy at higher prices each time), while sellers defend a fixed level. It typically resolves with an upward breakout above the flat resistance.
The three triangle types differ in their trendline slopes and directional bias. An Ascending Triangle has flat resistance and rising support, giving it a bullish bias. A Descending Triangle has flat support and falling resistance, giving it a bearish bias. A Symmetrical Triangle has both trendlines converging at equal angles with no flat side, making it directionally neutral until the breakout occurs. Ascending and Descending triangles break in their expected direction about 73% of the time, while Symmetrical triangles are roughly 50/50.
A valid Ascending Triangle requires a minimum of two touches on the flat resistance and two touches on the rising support trendline (four touches total). Three or more touches on each line significantly increases reliability. The touches should be well-spaced over the duration of the pattern. Each successive higher low followed by a test of resistance reinforces the bullish pressure building within the pattern.
Yes, approximately 27% of ascending triangles break downward instead of upward. A downside break is more likely when the broader market is bearish, when the pattern forms after a long uptrend (potential distribution), or when volume increases on the pullbacks rather than on the rallies to resistance. If the rising support trendline breaks, the pattern has failed and can produce a sharp decline. Always use a stop-loss to protect against this scenario.
Ascending Triangles are most reliable on the daily chart, where patterns typically form over 3-8 weeks. The 4-hour chart also works well for shorter-term traders. Weekly charts can reveal larger patterns with bigger targets but require more patience. Intraday charts below 1 hour tend to produce too many false breakouts due to market noise. The key is having enough time for at least 2-3 touches on each trendline to form a valid pattern.

Related Patterns

Descending Triangle

The bearish counterpart with flat support and falling resistance, typically breaking downward.

Bull Flag

Bullish continuation featuring a sharp advance followed by a tight downward-sloping channel.

Cup & Handle

Bullish continuation with a rounded bottom and brief consolidation before breakout.

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Part of our Technical Analysis Guide