Recently, I’ve been studying trading patterns and found that harmonic patterns are actually quite interesting. Many top traders use them to identify potential market reversal points, with an average win rate reportedly reaching 78.7%. But the problem is that the learning curve is steep, and ordinary people can easily get confused. Today, I’ll break down the core values of harmonic patterns that I’ve organized for everyone.

Let’s start with the simplest one. The ABCD pattern is considered an entry-level pattern, composed of three waves and four points. You’ll see the impulsive wave AB, then the corrective wave BC, and finally the impulsive wave DC again. Using Fibonacci retracement tools, the BC segment should precisely hit the 0.618 level, and the length of CD should be equal to AB, with similar time cycles. Many traders like to open positions near point C because it’s a potential reversal zone.

The Bat pattern adds an extra wave and an X point compared to ABCD, defined by Scott Carney in 2001. The key feature is that if point B retraces to 50% of the XA wave, it’s basically confirmed. The extension of CD must be at least 1.618 times BC, possibly up to 2.618. This pattern’s D point forms a potential reversal zone, where traders can open long or short positions based on their market outlook.

The Butterfly pattern was discovered by Bryce Gilmore, using different Fibonacci combinations. The most critical retracement is the 0.786 level of the XA segment, which helps you precisely locate point B and identify potential reversal zones. It’s a reversal pattern composed of four waves: XA, AB, BC, and CD.

The Crab pattern is also from Scott Carney and is characterized by allowing entries at extreme high or low levels. The most important indicator is the 1.618 extension of the XA wave, which determines the potential reversal zone. In a bullish Crab pattern, the AB segment retraces between 38.2% and 61.8% of XA, and the projection zone for BC is between 2.618 and 3.618. This area is where the pattern completes and trend reversal is most effective.

The Deep Crab pattern is similar to the regular Crab pattern, with the only difference being that point B must retrace to 0.886 of XA and not exceed the X point. The BC projection zone may range from 2.24 to 3.618.

The Gartley pattern has two strict rules: point B must retrace 0.618 of XA, and point D must retrace 0.786 of XA. It’s similar to the Bat pattern in that the XA segment leads to BC retracement, but B must be precisely at 0.618. Stop-loss is usually set at X, and take-profit at C.

The Shark pattern is also by Scott Carney, consisting of five waves. It must satisfy three Fibonacci rules: AB retraces 1.13 to 1.618 of XA, BC is 113% of OX, and CD targets 50% Fibonacci retracement of BC. Trading is based on point C, with D serving as the take-profit point.

The Three Drives pattern is relatively rare because it requires perfect symmetry in price and time. The entire pattern is formed by five points, with three points representing the ends of three drives, and two points marking the retracement endpoints between drives. The second and third drives should extend 127.2% or 161.8% of A and C retracements. A and C retracements are usually 61.8% or 78.6% of previous swings; in strong trends, they might only be 38.2% or 50%. Time symmetry is also crucial. This pattern is seldom seen—don’t force it onto charts; if there are gaps or insufficient symmetry, just abandon it.

How to use these harmonic patterns? First, understand the two scenarios: bullish and bearish. The rules are the same, just opposite in direction. When a bullish pattern appears, you can establish a long position; for bearish patterns, go short. If you want to start applying harmonic pattern trading practically, my advice is to spend time understanding the logic behind these patterns, then practice repeatedly in a demo environment to get familiar with identifying and drawing these structures on charts.

Honestly, trading with harmonic patterns requires patience and discipline, but once you grasp the numerical logic behind these patterns, you can position yourself ahead of key market reversals. Let’s work together!