ok. Here we go.
Horse racing win market
Back favourite. Variables that I select minimum and maximum back price, matched volume on the event higher than X, Number of runner between X and Y
Staking. First bet to make a profit of $1 (needs to be changed when I need to) after commission deducted. If this loses then next race must make profit of $2 after commission deducted, and so on until a winner is hit. Then the sequence restarts at $1. So after 5 races with 4 losers and the 5th being a winner, the profit is $5 after commission.
Thanks