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This study calculates and displays a DiNapoli Detrended Oscillator for the data specified by the Input Data Input.

Let \(X\) be random variable denoting the Input Data, and let \(X_t\) be its value at Index \(t\). Let \(n\) be the Moving Average Length Input. We denote the Detrended Oscillator - DiNapoli for the given Inputs at Index \(t\) as \(DO_t^{(DN)}(X,n)\), and we compute it in terms of a Simple Moving Average for \(t \geq n\) as follows.

This study also displays horizontal lines at levels determined by the Line 1 Value and Line 2 Value Inputs.