High-low - is the chart style that displays the range of price change on each bar. High-low chart
can be enabled in the chart drop-down menu, and it is also available for additional symbols.
To build a chart, the values of the maximum and minimum prices on the selected time interval are used. The maximum value is displayed above the bar, and the minimum value is displayed below the bar.
In the chart settings on the symbol tab, you can change the color of the bars, outline and text.