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5 Backtests

Strategy Backtests & Analysis

Evidence-based analysis of popular gambling strategies. Real simulations. Honest conclusions. No profit promises — including when strategies fail.

Methodology: All backtests use Monte Carlo simulation with ≥10,000 sessions per strategy. Assumptions and sample sizes are disclosed in each analysis. No strategy is presented as a guaranteed profit system.

Negative EV Strategies

2 analyses

Popular systems that cannot overcome the house edge. We ran the simulations so you don't have to.

📉
Martingale System Backtest
Roulette / Even-Money
Doubling after every loss increases variance but cannot flip a negative-EV game. Ruin probability rises sharply at realistic bankroll sizes.
−2.7%
Avg ROI
23%
Ruin Risk (100 sessions)
10,000
Simulations
Does Not Beat House Edge
📈
D'Alembert System Backtest
Even-Money Games
Slower stake progression than Martingale. House edge of −2.6% persists regardless of staking pattern — EV does not change with bet sizing.
−2.6%
Avg ROI
15%
Ruin Risk (100 sessions)
10,000
Simulations
Does Not Beat House Edge

Positive EV Strategies

3 analyses

Approaches with genuine mathematical edge. Risks are real but different in nature — read the caveats.

💡
Bonus Hunting EV Analysis
Casino Bonuses
Not all bonuses produce positive EV. Our framework filters by wagering requirement, game RTP contribution and expected value. Only ~30% of offers pass.
+4.2%
Avg Expected ROI
8%
Ruin Risk (50 bonuses)
200+
Bonuses Analysed
Positive EV When Selective
⚖️
Matched Betting Analysis
Sports Betting
Genuine mathematical edge using free bets and lay betting. Primary risk is not ruin but bookmaker account restrictions after sustained profits.
+12–18%
Typical ROI Range
< 1%
Financial Ruin Risk
High
Account Restriction Risk
Mathematically Sound (with caveats)
🎯
Arbitrage Sports Betting
Sports Betting
Guarantees profit on paper by backing all outcomes. Execution risk and near-certain account restrictions make it difficult to sustain beyond 3–6 months.
+2–5%
Typical ROI per Arb
< 1%
Financial Ruin Risk
Very High
Account Restriction Risk
Risk-Free Mathematically, Not Practically
🧮 Verify These Results Yourself

Use our calculators to run the same EV and bankroll math on any specific offer or scenario.

💡 Bonus EV Calculator → ⚖️ Arbitrage Calculator →
📐 Understand the Math Behind the Results

Read our foundational guide on expected value — the concept that drives every conclusion in these backtests.

Expected Value Explained →
🏦 Find Low-Wagering Casinos for Bonus Hunting

If bonus hunting passes your EV filter, we evaluate casinos by wagering difficulty, bonus EV and payout transparency.

View Casino Analysis →
18+ only · Past results do not guarantee future performance · Responsible Gambling

18+ only · Gambling should be entertaining, not a source of income · BeGambleAware · GamCare · Responsible Gambling