Originally Posted by Pucio

Hi,

Red rectangle just informs how far the retracement from C to D can go in the formation XABCD that the ZUP has found. There are many methods to find the right place to open a trade. Trading XABCD formation after D is one of the Harmonic method.

Harmonic traders use combination with other XABCD formations, RSI, QTA, Candlestick patterns, Harmonic numbers, Andrew Pitchfork or Secret geometry, Laws of Isaac Newton to enter at "D"

Probably one of your indicator do not allow it to show ZUP information in the right corner up of the MT4 window .

Pucio