Try this

Your bank could be 3.5 greater than your longest run of outs experiencd.

This should be calculated over a min. of 150 races.

If you are targeting roughies, it would be wise to look at a bank of $1.00 for every $150.00 that way you wont beat yourself up if the wheels fall off during a couple of bad days in a row before hitting onto that big fat juicey WINNER.

__________________
Cheers.