How to Adjust Price Grid Lines
Adjust the grid line spacing (number of price grid lines) on the chart to increase or decrease the distance between the prices represented by the lines.
1. Mouse shortcut
Hover the mouse over the price scale on the chart
Use the scroll wheel on the mouse to increase or decrease the number of grid lines on the chart.
2. Right-click menu
Right click on the scale of the price chart and select Increase or Decrease grid spacing.