• Constellation Software average operating margin for 2017-06-30 was 0%, a 0% decline from 2017-09-30.
• Constellation Software average operating margin for 2017-09-30 was 0%, a 0% decline from 2017-12-31.
• Constellation Software average operating margin for 2017-12-31 was 0%, a 0% decline from 2018-03-31.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.