Theory:
Developed by Jack Hutson in the early 1980s, the Triple Exponential Average (TRiX) is a momentum indicator used by technical traders that shows the percentage change in a triple exponentially smoothed moving average. When it is applied to triple smoothing of moving averages, it is designed to filter out price movements that are considered insignificant or unimportant. TRiX is also implemented by technical traders to produce signals that are similar in nature to the Moving Average Convergence Divergence (MACD).
This version:
It is posted mainly for two reasons:
Usage:
You can use color changes or zero crosses as signals.

Perfect trend line
Perfect trend line
Channel design indicator
A channel is a trading range between support and resistance levels that a stock price oscillates in for a period of time. This indicator draws the resistance and support lines based on the peaks and valleys that are found within a defined period of time.