Running the Commission Simulator 
You access the Commission Simulator iView from the Portal. You use the Commission Simulator to determine the potential commission value of either a possible sale or a completed sale that has not yet made its way through the commission system. The commission simulation can be based on any of the following commissionable objects or activities:
Sales Order
Sales Contract
Opportunity
Product.
You can change the parameters and launch the calculation cycle multiple times to view how changes to the sales scenario would affect commissions on the possible sale.