Re: Martingale for SNGs
$1 on red
$1 on black
wheel spins: lands on black =>you win $2
$2 on red
$1 on black
wheel spins: lands on black=> you win $2
$4 on red
$1 on black
wheel spins: lands on red=> you win $8
$1 on red
$2 on black
wheel spins: lands on black => you win $4
you've wagered a total of $13 and won a total of $16
Net: $3
And you spun 3 times (discounting the first one which will be breakeven.) So you're EV should be $1 per spin.
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