New free code from MQL5: indicators, EAs, and scripts for traders.
Real author:
Amir
A semaphore arrow indicator based on the crossover of the DI+ and DI- lines of the ADX indicator.
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Originally this indicator has been written in MQL4 and was first published in the Code Base at mql4.com on 03.10.2007.

Figure 1. The ADXCrossing indicator
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