This is Mrtools's Dynamic Zone Balance Of Market Power Averages indicator which comes fully loaded with (newer drop down box) Multi-timeframe + Interpolation, Shadow Option, Color Change Options, Alerts & more.

As explained by Mrtools:
This is dynamic zone balance of market power (BMP) using the average options to smooth the results, with a choice of the color of the BMP on dz outer level cross, dz middle cross, or slope. Indicator is mtf with alerts on color change.