Right-Angled Broadening (Descending) Chart Pattern — How to Spot and Trade It
7/6/2026
Flat resistance with falling lows that expand — often breaks up through the flat side.
In plain words
Pushing a beach ball deeper underwater each time — it eventually shoots out the top.
What the classic books say
The Right-Angled Broadening (Descending) 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). Works best after an extended decline.
Level by level
Beginner
Lows get lower but the ceiling stays flat — and the ceiling is what usually breaks.
Intermediate
Falling lows under horizontal resistance with expanding swings lean toward an upside resolve.
Advanced
The horizontal boundary is the actionable line; project the widest height from the break.
Trade plan (educational template)
- Entry: On a decisive close above the horizontal resistance.
- Stop-loss: Below the most recent swing low.
- Target: Pattern height projected up from the resistance break.
- Check the numbers with the Risk-Reward calculator before any entry.
Common beginner mistakes
- Shorting the falling lows right before the pop
Practise it now
- ▶ Draw the Right-Angled Broadening (Descending) 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._
Keep learning — free tools