Chart Patterns and Price Action
8 min read
Learn to read the market like a map using classic chart patterns and raw price action techniques.
8 min read
Learn to read the market like a map using classic chart patterns and raw price action techniques.
Chart patterns are recurring price formations (flags, triangles, double tops) that traders use to anticipate moves. Price action is the study of how those patterns actually behave — including the times they fail. This lesson covers the patterns worth knowing, the false breakouts that trap most traders, and the volume rules that separate real moves from noise.
Once you understand candles, volume, and market structure, the next step is recognizing the patterns they form.
Chart patterns are the market’s way of repeating behavior. Price action is the study of how those patterns actually play out.
Most retail traders learn patterns as signals: see flag, buy. Pros learn them as questions: this looks like a flag — what does volume, structure, and context say about whether it’ll behave like one? That’s the gap this lesson closes.
In this post, we’ll cover:
Chart patterns are visual formations that reflect crowd behavior—greed, fear, indecision, and trend continuation.
Why do these patterns sometimes work? Two reasons. (1) Self-fulfilling: enough traders watch the same neckline / flag boundary that orders cluster there. (2) Stop placement: swing highs/lows are obvious places to put stops, which creates predictable liquidity pools. Patterns work when they describe real order flow — not when they’re just shapes.
Here are patterns worth knowing. "High probability" is a marketing phrase — most patterns Bulkowski measured fail 20–50% of the time. They give you context and asymmetric setups, not certainty. Treat them as context, not signals.
These form after strong impulse moves and signal possible continuation.
Best traded with trend after a clean breakout and volume confirmation.
Ascending triangle breakout direction (Bulkowski). Closer to a coin flip than retail folklore implies.
Triangle breakouts often come with liquidity traps on the first move.
Watch for neckline breaks to confirm the pattern.
| Pattern | Type | Bias | Best Context | Common Failure |
|---|---|---|---|---|
| Bull flag | Continuation | Long | After strong impulse, with trend | Low-volume breakout |
| Ascending triangle | Continuation/breakout | Mild long | Trending up | Breaks down ~37% |
| Double top | Reversal | Short | At range high after extended trend | Triple top forms instead |
| Symmetrical triangle | Compression | Neutral | Late-trend or pre-news | First-move fakeout |
Patterns don’t always work the way textbooks say. Continuation patterns (flags, pennants) fail in choppy/range markets. Reversal patterns (double tops) fail in strong trends. The same shape gives opposite outcomes depending on regime — context is the pattern.
Textbook breakout:
Reality:
This is called a liquidity grab or stop hunt.
Whether this is deliberate "smart money" action or just price oscillating around an obvious level where stops cluster is debated. Operationally it doesn’t matter — what matters is that breakouts at obvious levels often reverse, so plan for that asymmetry. The mechanics:
Realistic expectation: breakout-with-retest setups historically win 40–55% of the time. Profitability comes from asymmetric R (2R+ targets, 1R stops), not from being right often.
Historical win rate for breakout-with-retest setups. Profitability comes from asymmetric R (2R+ targets, 1R stops), not from being right often.
First breakout candle was weak with no volume and failed. Second push came after a wick grab below the flag, then launched with strong volume confirming the breakout.
Wait for the retest unless volume is exceptional. First breakouts are the highest-fakeout-rate setups; price often pushes past the boundary to trigger stops, then reverses. A clean retest of the broken level — with volume holding up and a rejection candle — is the safer entry. If price runs without retesting, accept the missed trade.
Sometimes. Bulkowski’s data shows the "best" patterns fail 20–35% of the time, with average moves smaller than retail folklore implies. They work as context — describing where order flow and stops cluster — not as standalone signals. Profitability comes from asymmetric R, not pattern recognition alone.
A move where price briefly pushes past an obvious level (pattern boundary, swing high, double-top neckline) to trigger stop-losses and breakout entries, then reverses sharply. Whether it’s deliberate "smart money" action or just price oscillating around stop clusters is debated — operationally, the lesson is the same: plan for breakouts at obvious levels to reverse.
Chart patterns are the map; price action is the terrain. The map shows you where roads should be — price action tells you whether the bridge is still standing. Always trust the terrain over the map.
Focus not just on the shape of the pattern—but:
Where liquidity actually clusters is something patterns hint at but volume profile makes explicit — see Market/Volume Profile next.
Even with all of this, expect to be wrong 40–55% of the time on pattern trades. Profitability comes from cutting losers fast and letting winners reach 2R+. Pattern recognition is one input — not an edge by itself.