The bar chart or bar chart called represents the intraday fluctuations in a bar!
It was developed in the 50s in the USA and is still one of the most popular chart types. The bar chart is characterized above all its functionality. This is how the viewer very much information about the selected time period (1 day = 1 bar).
Read the bar chart from left to right. the horizontal line on the left shows the opening price. The bar itself is the fluctuation of the day with highest and lowest price represents Whether it was a positive or negative trading tells us the horizontal line on the right side, which marks the closing price.
For better distinction, most charting programs to a choice of colors for the marking of positive / negative bars.
The following figure shows a barchart: