What are charts?

Charts display the latest and the historical prices of a given security over a specific time frame. The vertical axis (y-axis) represents the price of a security, while the horizontal axis (x-axis) represents the time.

In IQ Edge, current day charts are updated as new data becomes available depending on your market data entitlements.

Examining a chart

In the table below, you can read about the different parts that make up a chart:   

Item Description
(a) Information bar Basic information about the symbol entered is displayed, including:
  • Symbol name
  • Last trade price
  • Change in price compared to the previous day’s closing price in absolute and percentage values

(b) Additional basic information  The window title bar includes basic information about the chart, including:

  • Listing exchange
  • Current date range/frequency

(c) Study information  Any information about a study that won't fit in the chart header if the window is resized will be displayed in a tooltip. 

(d) Main chart area
Each graph contains the following:

  • Vertical and horizontal gridlines. Vertical gridlines correspond to time values while horizontal gridlines correspond to data shown in the chart area. All areas within the chart window display the same vertical gridlines, given that the time axis is shared across the window. Horizontal gridlines are independent of each other. 
  • Overlays or linked studies. Depending on the technical study you select, the main symbol may be overlaid with data for that study without any linking, or the data may be linked to the main symbol price. In those cases where there is no linking, there is no direct relationship between values. However, when data is linked to the main symbol price, both the study and the chart display equal values wherever the linked study crosses the main chart. 
(e) Overlay tooltip box Select and hold the left mouse button over a price data unit to bring up an information overlay tooltip box, containing the following information: date, time, open, high, low, close, and volume.
(f) Price or percent-value axis
  • The price axis appears on the right side of the chart. It is determined by the selected date range for the stock, underlying symbol, or technical study. 

  • Although charts can have multiple overlaid studies in the chart area of the window, only one price or percent-value axis will be shown to represent the primary data. 

    Note: drawings do not affect the price axis. However, certain technical studies, such as RSI and ADX, may affect the price axis as they do not take actual values into account, but rather provide a fixed value range of their own that determines the range for the price axis.

  • To specify a linear or logarithmic price axis, click Chart near the chart toolbar, then select Scale and click Linear or Logarithmic in the submenu. 

    Note: a price axis cannot be logarithmic if the range contains negative values.
(g) Time axis
  • The time axis appears at the bottom of the chart window. The axis displays the time value corresponding to the opening price selected for the chart. 

  • The data sequences in the chart represent fixed time intervals defined by the chart’s frequency.

    Note: during extended hours when there is no trading, or when the frequency of the chart is defined in ticks, the time axis for the chart may display non-linear values. Also, for charts defined in ticks, you will have to click Refresh located near the toolbar to view the most recent data.
Volume  Volume refers to the number of shares or contracts traded within the corresponding time on the x-axis. It is represented as a column chart, where each column is a specific time interval. It may also contain some technical studies that are defined based on trade volume.
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