In axis tab default settings are to keep chart on auto adjust mode. To change this setting you can give values in Static Min, Static Max and Static Step.
This can be fix values based on your understanding about data or you can put in expression which for example will calculate max possible value for Static Max with Static step of calculated value devided by some factor of 10 or something. In this approach you have to take care how your data behaves as you select Profit/Sales/Revenue etc.
Hope this helps.