Standard WPR oscillator implemented as a histogram rounding its values to the standard range:
For all WPR values less than minus 50, rounding occurs to the lower side, while for all RSI values exceeding 50 — to the greater one.
The following input is used for rounding in the indicator:

Fig.1. WPR_Histogram_Round
Tradotto dal russo da MetaQuotes Ltd.
Codice originale https://www.mql5.com/ru/code/16706
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