The Fibonacci sequence is one of the most popular trading instruments with forex traders. The developers of the MetaTrader platform had a good reason to put this instrument onto the toolbar along with such widely-used tools of technical analysis as lines and equidistant channel. Why is the Fibonacci sequence so popular in the forex market? It’s a common knowledge that traders are very superstitious, so they are disposed to employ the theory of Leonardo Fibonacci, the mathematician who introduced his golden section and the sequence of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144...