It shows the maximum and minimum of each month, week or day
They have several utilities, for example to detect the closest supports and resistances, to quickly visualize an uptrend (highest highs and lows), a downtrend (lowest highs and lows) or ranges (none of the above)
They have several utilities, for example to detect the closest supports and resistances, to quickly visualize an uptrend (highest highs and lows), a downtrend (lowest highs and lows) or ranges (none of the above)