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Technical Studies Reference


Price Momentum Oscillator

This study calculates and displays a Price Momentum Oscillator and its Moving Average for the data specified by the Input Data Input.

Let \(X\) be a random variable denoting the Input Data, and let \(X_t\) denote the value of \(X\) at Index \(t\). The first step is to calculate the Rate of Change for \(t \geq 1\) as follows.

\(\displaystyle{ROC_t(X,1,100) = 100\cdot\frac{X_t - X_{t - 1}}{X_{t - 1}}}\)

Next we define a Custom Smoothing Function \(CSF_t(X,n)\) as follows.

\(\displaystyle{CSF_t(X,n) = \left\{ \begin{matrix} X_1 & t = 1 \\ \frac{2}{n}\cdot (X_t - CSF_{t - 1}(X,n)) + CSF_{t - 1}(X,n)) & t > 1 \end{matrix}\right .}\)

Let the PMO Line Length 1, PMO Line Length 2, and PMO Signal Line Length Inputs be denoted as \(n_1\), \(n_2\), and \(n_{Sig}\), respectively. We denote the Smoothed ROC at Index \(t\) as \(\overline{ROC}_t(X,1,100,n_1)\), and we compute it for \(t \geq 1\) as follows.

\(\overline{ROC}_t(X,1,100,n_1) = CSF_t(ROC(X,1,100),n_1)\)

We denote the Price Momentum Oscillator Line at Index \(t\) as \(PMO_t(X,n_1,n_2)\), and we compute it for \(t \geq 1\) as follows.

\(PMO_t(X,n_1,n_2) = CSF_t\left(\overline{ROC}(X,1,100,n_1), n_2\right)\)

We denote the Price Momentum Oscillator Signal Line as \(\overline{PMO}_t(X,n_1,n_1,n_{Sig})\), and we calculate it for \(t \geq 1\) in terms of an Exponential Moving Average as follows.

\(\overline{PMO}_t(X,n_1,n_1,n_{Sig}) = EMA_t(10\cdot PMO_t(X,n_1,n_2),n_{Sig})\)

Note: Depending on the setting of the Input PMO Signal Line Moving Average Type, the Exponential Moving Average in the above formula could be replaced with a Linear Regression Moving Average, a Simple Moving Average, a Weighted Moving Average, a Wilders Moving Average, a Simple Moving Average - Skip Zeros, or a Smoothed Moving Average.

The Subgraphs of both \(PMO_t(X,n_1,n_2)\) and \(\overline{PMO}_t(X,n_1,n_1,n_{Sig})\) are displayed for \(t \geq \max\{n_1,n_2,n_{Sig}\}\).

Inputs

Spreadsheet

The spreadsheet below contains the formulas for this study in Spreadsheet format. Save this Spreadsheet to the Data Files Folder.

Open it through File >> Open Spreadsheet.

Price_Momentum_Oscillator.435.scss


*Last modified Monday, 03rd October, 2022.