Slot RTP & Bankroll Survival Calculator (Portugal 2026)
Slot Volatility & Session Ruin Probability Calculator
Empirical Monte Carlo spin dispersion & survival depth modeling
🇧🇷 Brasil · PIX Instantâneo
Starting Session Bankroll (BRL)
R$200 BRL
Bet Size Per Spin
R$1 BRL
Slot Volatility Class
Low (Starb.)
Med (Bonanza)
High (Olympus)
Extreme (Nolimit)
Game Theoretical RTP
96.50% RTP
Planned Number of Spins
500 Spins
🛡️ Low Risk of Ruin (<5%)
Healthy bankroll buffer. Your bet size is well-calibrated to withstand standard variance swings.
Probability of Ruin
3.2%
Bust-out risk over session
Expected Ending Balance
--
Mean post-session capital
Bankroll Depth
200 Bets
Spins of cushion
Safe Max Bet Limit
--
For <10% ruin probability
📊 95% Confidence Interval (±2 Sigma Range):
Expected balance band:
High volatility slots can swing by ±3 sigma in short bursts.
Expected balance band:
-- to --High volatility slots can swing by ±3 sigma in short bursts.
Monte Carlo 1,000-Session Simulation
Survival Rate: 96.8%
Peak High: --
Calculate your expected spin distribution, variance thresholds, and bankroll drawdown across different game volatility ratings.