Right-Angled Broadening (Ascending) Chart Pattern — How to Spot and Trade It

Flat support with rising highs that expand — usually breaks down through the flat side.

In plain words

A trampoline stretched tighter and tighter — until it rips at the fixed edge.

What the classic books say

The Right-Angled Broadening (Ascending) is a reversal pattern with reference reliability Low and illustrative behaviour of ~60% break the flat side (the kind of statistics catalogued in Bulkowski's encyclopedic pattern studies and Murphy's technical-analysis classic). Counter-intuitive — the 'strong' side often loses.

Level by level

Beginner

Tops get higher but the floor stays flat. Oddly, the floor is what usually gives way.

Intermediate

Rising highs over horizontal support with widening swings tend to resolve downward.

Advanced

Bulkowski-style stats favour a downward break; the flat line becomes the trigger.

Trade plan (educational template)

• Entry: On a decisive close below the horizontal support.
• Stop-loss: Above the most recent swing high.
• Target: Pattern height projected down from the support break.
• Check the numbers with the Risk-Reward calculator before any entry.

Common beginner mistakes

• Assuming rising highs guarantee a rally

Practise it now

• ▶ Draw the Right-Angled Broadening (Ascending) with live trendlines and a ghost forecast
• 📖 Full lesson in the Learning Hub

_Educational content only — not financial advice. Historical behaviour never guarantees future results._