The key element of profitable football trading is to only bet when there is value in the odds. The xG Free version includes the output of an advanced Poisson model which enables easy identification of games where there is value in the odds. xG Core provides all the historical data to allow the creation and backtesting of strategies. xG Pro provides a range of additional statistics and models. The PROP Model is a stand alone tool which identifies value from historical goals. More details on each of the options is below.