Professional candlestick chart is similar to the “regular” candlestick chart but applies different coloring logic. You may notice that some candlesticks are filled and some are hollow. More about this type of candlesticks can be found in the docs.
Key implementation details
Everything that is needed to turn normal candlestick into professional candlestick chart is built-in and you just have to push a
pro tag into the column’s template.