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# Volume Zone Oscillator (VZO)
Volume Zone Oscillator: the share of volume on up closes minus down closes, smoothed, in percent, showing which side controls volume.

## How to read it

- Positive values: volume favours buyers; negative: sellers.
- Beyond ±40 is stretched, beyond ±60 extreme.
- Crosses of zero mark a shift in volume control.

## Key settings

- Length 14; inner level 40, outer level 60.

## Good to know

- Drawn in its own pane below the chart.