It depends on the interface. Generally, red letters represent rising or active buying, and green letters represent falling or active selling. The white flat plate does not rise or fall.

There are four colors on the stock: red, green, white and purple.

The following is an introduction to these four colors:

Red refers to the sale price, green refers to the purchase price, white refers to the direct transaction (pending orders without sale price), and purple refers to the bulk transaction.