Kelly betting for single numbers.
It IS a bit complicated for most people in the beginning.
The formula goes like this:
f* = x%/A
x% = Your estimated edge
A = payout, usually 35 for single numbers
An easy example is if you have an estimated edge of 35% and is playing 1 single number.
f* = 35%/35 = 1% of your bankroll
Imagine your edge on each of the numbers in your 8 number pocket is 23 %, roughly 1:28. It also means you lose 7 and win on 1 number in the 8 pocket sector on a hit. Looks like this then:
(35 - 7)/8
A = 28/8 = 3.5 It will then give the formula
f* = 23%/ 3.5 = 6.5 %
So you will be betting 6.5% of your bankroll of say 5.000 = 325/8 = 40 on each number in a 8 pocket sector.
You can then make a list that looks like this all number rounded down to playable bet sizes because you probably can`t bet like 33.75:
5000 = 40 pr number (320 pr bet)
4680 = 35 pr number (280 pr bet)
4400 = 35 pr number (280 pr bet)
4120 = 30 pr number (240 pr bet)
3820 = 30 pr number (240 pr bet)
3580 = 30 pr number (240 pr bet)
If you keep an eye on your bankroll, you will pretty easy be able to figure out the bet size. Don`t forget to make the scale upwards too, in case you are winning.
If you find the bet sizes too steep, you might wanna bet only "1/2 a Kelly"
If you play a 5 number sector with a 10% edge, you should be able to remove the numbers and put your own into the equations and get the appropriate values.