Chart: bankroll paths for 40 of the simulated players. Every strategy has the same expected loss, 1% of total wagering; the strategies differ only in how that loss is distributed between many small losses and a few catastrophic ones.
Run flat bets at 49.5% and note the busts and the median result. Switch to martingale with the same settings: the median improves (most players finish slightly up) while the bust rate jumps and the average finishing bankroll drops. That is the whole story of "systems": they move outcomes around, they do not move the average, and the average is minus 1% of everything you wagered. The simulator uses a fair random generator, not Stake's provably fair seeds, but the multiplier formula and edge are the same.
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Multiplier = 99 ÷ win chance in percent. At 49.5% the payout is 2x; at 10% it is 9.9x. The missing 1% is the house edge.
It raises the share of sessions that finish slightly up while raising the bust rate; the average result stays at minus 1% of total wagering. It does not change the edge.
Sign up to Stake with code CANDB and you get Stake's 3.5% rakeback from your first bet (confirmed by Stake in writing, 12 September 2026). In plain terms: Stake gives you back a slice of what the house expects to win on every bet, win or lose. On a typical slot that is about $1.40 back for every $1,000 you wager, credited to your account as you play. Then Rakeback Paid tips you 90% of everything Stake pays us on your play until Saturday 26 September, then 55% for good, every Friday: about $4.50 more per $1,000 on slots during launch, $2.75 after. Roughly $59 back per $10,000 between the two right now. Receipts go on the public payouts page.
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