Simulation Shows Even 96% RTP Cannot Save Players From Eventual Bankroll Ruin

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A developer building a slot engine ran simulations to test how different Return to Player (RTP) settings — 90%, 96%, and 99% — affect a player's risk of losing their entire bankroll. The key insight is that RTP applies to every euro wagered, including re-bet winnings, meaning a fixed deposit can fuel far more total betting action than its face value suggests. Even at 96% RTP, the house edge of 4% compounds with each spin, steadily eroding a limited bankroll over time. The simulation used a simplified five-outcome payout model with 1,000 virtual players, each starting with €100 and a €1 fixed bet, running up to thousands of spins. Results illustrated that a higher RTP slows the rate of ruin but does not eliminate it, reinforcing that theoretical payout percentages are long-run averages and not a reliable safeguard for individual players with finite funds.

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