> For the complete documentation index, see [llms.txt](https://gorilli.gitbook.io/gorillionaire/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gorilli.gitbook.io/gorillionaire/available-signals/adx.md).

# ADX

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ADX is a technical indicator used to measure the strength of a trend, regardless of its direction. It ranges from 0 to 100.

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* ADX below 20 indicates a weak or non-trending market.
* ADX above 25 suggests a strong trend, either upward or downward.

It is calculated using the positive and negative directional movement indicators (+DI and -DI) and helps traders decide whether to follow a trend or wait for clear signals. ADX does not indicate direction but only the intensity of a trend.