• A line graph connects individual data points, which usually display quantitative values over a specified time interval.

  • Line graphs consist of two axes: the X-axis (horizontal) and the Y-axis (vertical), which are represented graphically as (x,y).
  • In technical analysis investing, line charts are very informative, allowing the user to visualize trends.
  • Although line charts are used in many different areas for a variety of purposes, their most common function is to provide a graphical representation of how values change over time.
  • In finance, line charts are used to visually represent values over time, including changes in security prices.