Candlestick charts

Candlestick charts are visually quite similar to the box-and-whiskers charts, except they are used to represent the difference between the opening and closing value, while showing the direction of the value (whether increasing or decreasing) through different colors. If the value of a particular piece of data stays the same, the rectangular shape will not be shown at all:

Qt supports most of the diagram types you need for your project. It is also extremely easy to implement these diagrams in Qt. Let's see how we can do it!