Stock graphs are used to display information about stocks. They help in showing daily stock prices or can be used to show statistical data over a period of time.
Stock graphs are generally always seen on a two-axis system. They are always plotted against time, where "time" is on the X-axis and usually the Y-axis is used for currency value.
One can use a stock graph to either show the stock prices of one company over a period of time or to compare multiple stock prices on a single day.
These graphs are used almost exclusively for displaying financial data and are generally tailor-made for investors and traders.
There are five data attributes which are specific to stock graphs, they are: Open, High, Low, Close and Volume.
Stock graphs require 2 or as many as 5 values per marker which again depends on the stock graph one uses.
There are 3 sub-types of stock graph:
High-Low (This sub-type does not include Open/Close values)
And Candle Stick
The only limitation of stock graphs is that they are used exclusively for a specific purpose.