This indicator is a variant of OBV called PVT that is uses only a part of the volume in each bar for calculations, depending on how far price has moved. I find it to be more steady and accurate than OBV for determining overall trend - doesn't whipsaw up and down as much.
Here's some info about it: https://ta.mql4.com/indicators/volumes/price_trend
In the screenshot below, PVT is in pink and OBV is in light blue.
Category MetaTrader 4 Indicators
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