One of the disadvantages of harmonic trading is harmonic models

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Although compromise models are often viewed as a specific set of trading rules. However, in many models the sides that make up the conformational pattern can have extensions or extensions. There is no doubt that experience is the only factor in learning this technique.اهداف نماذج الهارمونيك
Harmonic models rely on dealing with the ratio between price fluctuations without mentioning anything about the time frame that is chosen or the time period required to violate or achieve a specific pattern. Moreover, harmonic models are often used by traders who keep open positions for several days, so The harmonic pattern trading strategy is not suitable for day trading or short-term time frames.
The harmonic pattern cannot be guaranteed to complete as expected, the edges may extend and cause the pattern to fail, the pattern may turn into another pattern or it may turn into a butterfly harmonic pattern, and these possibilities may cause a beginner trader to get into trouble.
Inaccuracy of charts, especially with the harmonic pattern indicator attached to the chart. Therefore, novice traders are always advised to keep the chart clean so that support and resistance points can be easily noticed. The presence of many lines on the price chart distracts the trader's attention from important points.