Re: stupid question... how do you calculate ROI??
Total winnings divided by total cost.
For example, suppose you played 6 10+1 SNGs and got 1 1st and 1 2nd (assuming 50/30/20 payout structure).
Your total winnings equal 80 (50 for the 1st + 30 for the 2nd)
Your total cost is 66 (6 * 11)
80/66 = 1.21 or a 21% ROI
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