Determining RoR using SD

Lonesome Gambler

Lonesome Gambler

Well-Known Member
Is there a simple way to determine the RoR of a particular game if you have the following criteria?

- Bankroll
- Average bet
- Edge
- Standard Deviation

I'm not a math guy, so I'm a bit lost at this point. Anyone? Thanks!
 
A

assume_R

Well-Known Member
Or, slightly more accurate:
RoR = ((1 - EV / Std.) / (1 + EV/Std.)) ^ (Bankroll / Std.)


And if you want to know how big of a bankroll required for X RoR:
Bankroll = Std. * log(X) / log((1 - EV/Std.)/(1+EV/Std.))

Some others:
N0 = (Std. / EV)^2
Desirability Index (DI) = 1000 * N0^(-0.5)

Where EV and Std. are in $ / round, or Units / round.
 
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