Trading term

What is Ascending triangle?

An ascending triangle is a bullish continuation pattern: a flat horizontal resistance line on top, with a rising trendline of higher lows beneath it. As the higher lows squeeze price against the ceiling, pressure builds — and it usually resolves with a breakout up through the resistance.

An ascending triangle forms when buyers get progressively more aggressive while sellers defend one fixed level. Price keeps stalling at the same horizontal resistance, but each pullback bottoms higher than the last, drawing a rising support line underneath. The two lines converge toward the top-right corner. That pattern of higher lows against a flat ceiling shows demand strengthening — buyers are willing to pay up sooner each time.

It's classed as a continuation pattern: it usually appears within an uptrend and resolves by breaking up through the flat resistance, often on a surge of volume. The measured target projects the height of the triangle upward from the breakout. Like any pattern it can fail — a break down through the rising trendline instead negates it — but the base case is a bullish breakout.

An ascending triangle
Flat resistancerising higher lowsBreakout ↑

A flat resistance ceiling with higher lows rising to meet it. The higher lows show buyers strengthening — it usually breaks out upward through the flat top.

For example

A stock repeatedly stalls at $56 while its pullbacks rise from $51 to $53 to $54.5 — an ascending triangle. It then breaks above $56 on heavy volume, projecting a move toward about $61 (the roughly $5 height added to $56).

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Why it matters to you

An ascending triangle gives you a coiled setup with an unusually clean trigger: a single, obvious horizontal level to watch. Because the higher lows visibly show buyers gaining control before the breakout, it offers an early, defined-risk way to position for the continuation of an uptrend.

⚠ Direction isn't guaranteed

Treating the breakout as a certainty is the trap. An ascending triangle leans bullish, but it can still break down — especially against the broader trend. The pattern is a setup, not a promise; the actual signal is the confirmed break of the flat resistance, and a break the other way invalidates it.

Frequently asked questions

Is an ascending triangle bullish?

Yes — an ascending triangle is generally a bullish continuation pattern. Its flat top and rising lower trendline of higher lows show buyers getting stronger, and it typically resolves with a breakout up through resistance. It's not guaranteed, though — the confirmed breakout is the actual signal.

How do you trade an ascending triangle?

The common approach is to wait for a decisive close above the flat resistance line, ideally on rising volume, then enter in the breakout's direction with a stop below the rising trendline. The measured target adds the triangle's height to the breakout level.

What's the difference between an ascending and descending triangle?

An ascending triangle has a flat top and rising bottom (higher lows) and is bullish; a descending triangle has a flat bottom and falling top (lower highs) and is bearish. Both show one side getting stronger while the other defends a fixed level, but they point in opposite directions.

What is the price target for an ascending triangle?

Measure the height of the triangle at its widest (from the flat resistance down to the lowest point) and project that distance upward from the breakout level. It's a rule-of-thumb estimate, so traders often combine it with nearby resistance levels.

Related terms

ATR (Average True Range)ATR (Average True Range) measures how much a security typically moves in a period — its volatility — as an average of recent trading ranges. It doesn't say which direction price is heading, only how far it tends to travel, which makes it a core tool for stop-losses and position size.Bollinger BandsBollinger Bands wrap a price chart in three lines: a middle moving average with an upper and lower band set two standard deviations away. The bands widen when volatility rises and squeeze together when it falls, framing whether price is relatively high or low.BreakdownA breakdown is when price falls decisively through a support level it had been holding above — the bearish mirror of a breakout. It signals sellers have overwhelmed the buyers defending support, and often triggers a fast move lower as stops and new sellers pile in.BreakevenBreakeven is the price at which a trade shows neither a profit nor a loss — your entry price plus any costs. 'Moving your stop to breakeven' means raising a stop-loss to your entry once the trade moves in your favour, so a winner can no longer turn into a loser.
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