08-01-2020 Sterling (email: homero79@yahoo.com) Вопрос: Sorry, I ran out of credit http://madthumbs.fun/ madthumbs.com Bollinger bands are charted by calculating a moving average of prices and then creating two bands at a specified number of standard deviations above and below the moving average. They can be used to identify "overbought" and "oversold" conditions.