Commodity Channel Index (CCI) is one forex technical indicator used in forex technical analysis. Commodity Channel Index (CCI) was created by Donald Lambert, used to determine reversal points in the commodity markets. But then it became rather popular in the share market and in Forex market.

CCI was developed to determine overbought and oversold levels. The CCI does this by measuring the relation between price and a moving average (MA), or, more specifically, normal deviations from that average.

Since its introduction, the indicator has grown in popularity and is now a very common tool for traders in identifying cyclical trends not only in commodities, but also equities and currencies. The CCI can be adjusted to the timeframe of the market traded on by changing the averaging period.

The CCI is calculated as the difference between the typical price of a commodity and its simple moving average, divided by the mean deviation of the typical price. The index is usually scaled by a factor of 1/0.015 to provide more readable numbers.

Related Articles:

Investopedia:
The Commodity Channel Index (CCI) is an oscillator originally developed by Donald Lambert and featured in his book “Commodities Channel Index: Tools for Trading Cyclical Trends”. (full article)

Wikipedia:
The Commodity Channel Index (CCI) is an oscillator originally introduced by Donald Lambert in an article published in the October 1980 issue of Commodities magazine (now known as Futures magazine). (full article)

Metaquotes:
Commodity Channel Index Technical Indicator (CCI) measures the deviation of the commodity price from its average statistical price. (full article)