![]() This line has upper and lower bands, both of which move with the price changes. In the middle, we have the first one which is the Simple Moving Average of a specific number of periods here most often traders use 20-day SMA. This method was introduced and developed by John Bollinger in the 1980s.Īctually it takes three lines to compose Bollinger Bands. One of the most popular ones is the Bollinger Bands ®. The experienced Forex traders might have many trading tools in their arsenal.
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