Re: bankroll requirements
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what kind of bankroll do you need for SNGs? Is it proportionate to the buy-in of the tournament? I want to do $10 SNGs.
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If you are a losing player, no bankroll is sufficient.
If you are a winning player, the Kelly Criterion (play to maximize the logarithm of your bankroll) recommends having a bankroll of variance/edge. My variance for 10-player NL SNGs is about 3 square buy-ins, and that should not vary much from player to player. If your ROI is 25%, you should have a bankroll of 3/.25 = 12 buy-ins. If your bankroll drops below this, you should consider stepping down; below half it is strongly recommended.
A complicating factor is that your ROI is probably higher at lower buy-ins. Even if you have the bankroll for a higher level, the lower levels may be more profitable.
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