Square of 9 Intervals

Author: Optuma Team Last updated: Jul 14, 2020 00:14
Included in Gann Edition Included in Astro Edition


Similar to the Dynamic Square of 9 tool for price levels, the Square of 9 Intervals calculates dates based on the original Square of 9 wheel chart. By selecting a start date and putting it at the centre of the square the tool calculates the future dates based on selected angles (eg 360 degrees) for each revolution around the wheel.

The example below is for 360-degree levels starting on June 4th. One complete revolution around the Square of Nine wheel chart is 9, so the first date calculated by the tool is June 12th (the starting date is counted as the first day). The second revolution around the wheel is 25 days or June 28th, then 49 (July 22nd), 81 (August 23rd), and so on.


To add the tool to your chart, select the tool from the Gann tool group, and left-click on the bar on the chart you wish to calculate the tool from. Optuma will then draw the tool using the default settings.

Actions & Properties



Add to Toolbar: Adds the selected tool to your custom toolbar.

Apply Settings to All: When multiple Square of 9 Intervals tools have been applied to a chart, page or workbook, this action can be used to apply the settings of the one selected to other instances of the tool. This is a great time saver if an adjustment is made to the tool - such as line colour - as this allows all the other Square of 9 Intervals tools in the chart, page or entire workbook to be updated instantly.

Copy Tool: Allows you to copy the selected tool, which can then be pasted onto a different chart window.

Move to Back: If the tool is displaying in front of other tools or indicators clicking this action will move the tool view to the background.

Move to Front: If the tool is displaying behind other tools or indicators on the chart, clicking this action will bring the tool to the forefront.

Set Time Alert: Selecting this action will set a Time Alert at the value the Vertical Line is positioned.

Restore Default Settings: Click this action if you have adjusted the default settings of the tool, and wish to return to the standard properties originally installed with Optuma.

Save Settings as Default: If you have adjusted any of the tool’s properties (colour, for example) you can save the adjustments as your new default setting. Each time you apply a new Square of 9 Intervals to a chart, the tool will display using the new settings.

Delete: Deletes the tool from the chart.



Tool Name: Allows you to change the name of the tool, as displayed in the Structure Panel.
Square of 9 Angles: Expands to display the interval degrees available for the Square of 9 Intervals tool, and allows the addition or removal of custom interval lines.

Repeat Style: Alters how the intervals are repeated, can be set to Every Step, First Step or All Exact Steps.

Interval Type: Allows you to set the interval progression, whether it is based on Days (calendar days) or Bars (trading days on a daily chart, or weeks on a weekly).

Extend Lines: Check this box to extend the lines from the top to the bottom of the chart.

Line Over All Views: Ticking this box will extend the lines of the Square of 9 Dates tool across the entire height of the page, including any indicators contained within their own view (eg Volume, or RSI).

Forward Intervals: Ticking this checkbox displays interval lines moving forward from the anchor line.

Reverse Intervals: Ticking this checkbox displays interval lines moving backwards from the anchor line.

Visible Labels: Expands to show the label options available for the Square of 9 Intervals tools. The options available are Angle, Normalise Angle, Interval, and Date.

Text Angles: Allows you to set the angle of the text labels as displayed on the Square of 9 Intervals tool. The options available are 90 degrees and 0 degrees.

Use End Date: This checkbox allows you to set an end date. When this end date is reached the interval lines will no longer display.

Font Size: Adjusts the size of the Square of 9 Interval label. Moving the slider bar to the right will increase the size.

Base Line Style: Expands to provide options you can use to set the display style and colour of the anchor line.

Tool Transparency: Use this slider bar to adjust the transparency of the tool. Moving the slider to the left will increase the transparency of the tool.

Visible: Un-tick this checkbox to hide the tool from the chart.