
Aroon Oscillator
An indicator called the Aroon Oscillator can be constructed by subtracting Aroon(down) from Aroon(up). Since Aroon(up) and Aroon(down) oscillate between 0 and +100, the Aroon Oscillator oscillate between -100 and +100 with zero as the center crossover line. See ChartSchool article on Aroon Oscillator.
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