Chart Patterns: Head & Shoulders, Flags, Triangles

Technical Pillar | Spoke 3 | Updated April 2026

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BR

Authored by Brian Rosemorgan

Retired Professional Trader | 8+ Years Experience | South Africa

Forex Chart Patterns: Reading the Market Roadmap

Chart patterns aren’t just shapes—they are the physical footprint of buyers and sellers fighting for control. Reversal patterns (like Head and Shoulders) signal a trend change. Continuation patterns (like Flags) signal a temporary pause. For South African traders, these patterns are most accurate on the 4H and Daily timeframes.

1. The Head and Shoulders (H&S)

The “King of Reversals.” This pattern shows the exact moment a trend runs out of steam. It consists of three peaks: a left shoulder, a higher head, and a lower right shoulder. The “Neckline” is your trigger point.

2. Flags & Pennants (The Continuation Engines)

In a strong trend, the market needs to “breathe.” A Bullish Flag is a small downward-sloping rectangle after a sharp move up. It’s like a spring being compressed—when it breaks, the next move is usually as large as the first one.

3. The “Measured Move” Math

Professional traders don’t guess their targets; they calculate them. For a flag, the target is the height of the Flagpole projected from the breakout point. For an H&S, it is the distance from the top of the Head to the Neckline.

4. The “No-Nonsense” Rule for Fakeouts

Banks love patterns because they know exactly where retail traders place their orders. To avoid the trap, follow the Close and Confirm rule: Only enter a trade once a candle has closed decisively outside the pattern on a 4H or Daily chart.

5. Pattern Confluence

A pattern is 10x more powerful if it forms at a major Support or Resistance zone. If you see a Bullish Flag forming right on top of a 18.50 ZAR support level, you have a “Golden” high-probability trade.

Brian’s Pro-Tip: “I’ve seen a thousand perfect patterns fail because the trader ignored the higher timeframe. Always check the Daily trend before trading a pattern on the 1-Hour. If the Daily says ‘Sell,’ don’t buy a Bullish Flag on the 1-Hour. The big trend is like an ocean—don’t swim against it.”