@fees

Type: Decimal

Description:
Contains the factor that multiplied for the win amount gives the amount of fees deducted by Betfair from the next win. It can contain a decimal number from 0.02000000000 to 0.05000000000. So for example if case of a winning bet of 100, if @fees is equal to 0.05, the fees pais to Betfair will be 5.

Example:

2*(1+@fees)
Can be used to specify the size of a back bet that includes the fees in the potential win.