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Forex how do harmonics work?


Forex trading is a very popular way to make money online. It involves buying and selling currency pairs in order to make a profit. The currency pairs are traded in the forex market, which is the largest financial market in the world. One of the most popular tools used by forex traders is harmonic patterns. In this article, we will explain what harmonic patterns are and how they work in forex trading.

What are Harmonic Patterns?

Harmonic patterns are a type of technical analysis used by traders to identify potential trend changes in the forex market. They are based on the idea that price movements in the market follow certain patterns, which can be used to predict future price movements. Harmonic patterns are formed by a series of price swings and retracements, which create specific geometric shapes on the price chart.


The most commonly used harmonic patterns are the Gartley pattern, the Butterfly pattern, the Crab pattern, and the Bat pattern. Each pattern has a specific set of rules that must be followed in order to be considered a valid pattern. Harmonic patterns are considered to be one of the most reliable forms of technical analysis, as they are based on mathematical ratios and patterns that have been proven to work over time.

How do Harmonic Patterns Work?

Harmonic patterns work by identifying specific price levels where the market is likely to reverse. These price levels are determined by the Fibonacci ratios, which are a series of numbers that are derived from the Fibonacci sequence. The Fibonacci sequence is a mathematical sequence where each number is the sum of the two preceding numbers (1, 1, 2, 3, 5, 8, 13, 21, 34, 55, etc.).

The Fibonacci ratios are derived by dividing one number in the sequence by the number that comes after it. For example, 55 divided by 89 equals 0.618, which is known as the golden ratio. The golden ratio is one of the most important ratios used in harmonic patterns, as it is believed to be a key level of support and resistance in the market.

Harmonic patterns are formed by a series of price swings and retracements that follow specific Fibonacci ratios. For example, in the Gartley pattern, the price swings are divided into AB, BC, CD, and DA. The AB swing is a retracement of the XA swing, and should be 0.618 or 0.786 of the XA swing. The BC swing is a retracement of the AB swing, and should be 0.382 or 0.886 of the AB swing. The CD swing is a retracement of the XA swing, and should be 1.27 or 1.618 of the BC swing. The DA swing is a retracement of the CD swing, and should be 0.786 of the XA swing.

When all of these ratios are met, a valid Gartley pattern is formed. Traders can then use this pattern to predict where the market is likely to reverse, and can place trades accordingly. Harmonic patterns can be used on any time frame, from one minute charts to daily charts.


Harmonic patterns are a powerful tool for forex traders, as they provide a reliable way to predict future price movements in the market. By following specific rules and ratios, traders can identify potential trend changes and enter trades with a high probability of success. Although harmonic patterns require some practice to master, they are an essential part of any trader’s toolbox. If you are interested in forex trading, we highly recommend learning more about harmonic patterns and how they can be used to improve your trading results.