Not one of these systems has an edge, yet the best shows +15.8% over 200 bets. Over its next 200 bets it should expect about -1.0%, the same as the rest.
Winner each time you pressed (1)
+15.8%
Every system here is a fair coin: 200 bets at evens with no edge whatsoever. Each square is one system, placed by its ROI.
18+ only. Educational content, not financial or betting advice. Past results do not guarantee future returns. If gambling stops being fun, get free, confidential help at BeGambleAware.org.