What is Chart pattern?
Grafik shakl
In short
Recurring shapes on a price chart: triangles, flags, head and shoulders, double tops. They hint at continuation or reversal.
Also known as: triangle, flag, double top
A chart pattern is a recurring shape on a price chart that reflects the balance between buyers and sellers. Patterns fall into two groups.
Continuation patterns
A pause inside a trend, after which the move usually resumes in the same direction:
- Flag — a short, sloping channel after a strong move;
- Triangle — a narrowing range (ascending, descending, symmetrical);
- Cup and handle — a rounded base and a small pullback.
Reversal patterns
Suggest the trend may be ending:
- Head and shoulders;
- Double top and double bottom;
- Some wedges.
How they are traded
Almost every pattern has the same general rule: enter when a boundary line breaks on a close (breakout), stop inside the pattern, target based on the pattern's height (measured move). Rising volume on the break strengthens the signal.
Limitations
Pattern recognition is subjective: two traders can see two different patterns on the same chart. Many breakouts fail. Patterns show probabilities, not outcomes — so always trade them with a stop and a pre-calculated risk.
A flat ceiling and ever higher lows — buying pressure is building. It often ends with an upside breakout, but there is no guarantee.
At the end of an uptrend: the middle peak (head) is the highest. When the neckline breaks down, the reversal is confirmed.
Example
An ascending triangle on a fictional stock: horizontal resistance at $50, with rising lows at $44, $46, $48.
- Pattern height: $50 − $44 = $6
- Breakout: price closes at $50.50
- Target: $50 + $6 = $56
- Stop: below the last low, at $47.80
With entry at $50.50, risk is $50.50 − $47.80 = $2.70 and potential reward $56 − $50.50 = $5.50 — R:R about 1:2. If price can't close above $50, the pattern isn't complete.
Mistakes and tips
Wait for the pattern to complete — a close through the boundary; "looks like it's forming" is not enough.
Judge a pattern in the context of the prior trend: a flag only makes sense after a strong move.
Log your results by pattern type in a trading journal — you'll see which ones work for you.
Frequently asked questions
- What is the most reliable chart pattern?
- There is no universal answer — reliability depends on the market, timeframe and context. Patterns on higher timeframes that break on strong volume usually work better.
- Do chart patterns work on stocks?
- Yes, they appear in any liquid market. But they are probability tools; not every pattern plays out as expected.
Learn it in the Academy
This term is covered with hands-on examples and a quiz in these lessons of the interactive course.
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