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The Financial Market is the place where different investors are trading securities like equities, bonds, currencies and derivatives. It is the market place to facilitate the exchange of securities between buyers and sellers. Loosely speaking, the financial market works like the auction market where buyers enter competitive bids and where sellers enter competitive offers at the same time. However, unlike auction market, in the financial market securities are often traded without delivering actual physical goods. Although some companies can use financial market to hedge their physical positions, in this book, we will assume that you are more of speculator who wants to profit from the market dynamics. Various buyers and sellers with different attributes, different geographic location, different purchasing power and different financial goals, forms the daily transactions of the financial market. Therefore, the dynamics of financial market can be represented as the crowd behaviour. It is not necessarily perfectly rational place but the fundamentals play some important role behind the market dynamics up to some degree.

For traders and investors, it is important to develop the right trading strategy for the market. Good trading strategy never comes blindly. Understanding the underlying dynamics for the financial market is the important requirement to build a solid trading strategy. Then, what is the underlying dynamics for the financial market and how can we study them to benefit our trading and investment? Scientists had a strong interest in the dynamics of the financial market for many decades. They have extensively studied the dynamics of the financial price series in the Stock and Forex market. The simplest but most effective way to study the dynamics might be the decomposition approach. In decomposition, literately we are breaking down some complex system into the simple and digestible bits. Then we use this decomposed bits to predict the behavior of the complex system.

When we apply the decomposing technique for price series, the price series can be decomposed into several sub price patterns. In fact, the sub price patterns are the regularities that constitute the dynamics of the financial price series (Figure 3-1). For trading and investment, we make use of the knowledge of these regularities to predict up or down movement of the financial market. All the known trading strategies, including simple and complex ones, are based on some of these regularities existing in the price series. Remember that none of trading strategies is merely created to offer you just some luck or based on some random theory.