# Technical Studies Reference

### Chande Forecast Oscillator

This study calculates and displays a Chande Forecast Oscillator of the data specified by the Input Data Input.

Let $$X$$ be a random variable denoting the Input Data, and let $$X_t$$ be the value of the Input Data at Index $$t$$. Let the Input Length be denoted as $$n$$. Then we denote the Chande Forecast Oscillator at Index $$t$$ for the given Inputs as $$CFO_t(X,n)$$, and we compute it in terms of a Linear Regression Moving Average for $$t \geq n - 1$$ as follows.

$$CFO_t(X,n) = \displaystyle{100\cdot\frac{X_t - LRMA_t(X,n)}{X_t} \space (X_t \neq 0)}$$