Please note that simulation mode is using Betfair delayed data that is not synchronized and delay can be anywhere from 1s to 180s. So you will never get identical results in real and simulation mode.
This makes simulation unrealistic for trading and similar strategies.
Simulation mode also does not check if there is enough money to fully match your bet at requested size. All bets are matched if requested price is available.
In real mode bot using real Betfair data that is not delayed.
You should read following article that explains differences between simulation and real mode:
https://www.bfbotmanager.com/en/help/kn ... ation-mode
And this article about delayed data
https://www.bfbotmanager.com/en/help/kn ... layed-data
