EV calculator
The expected value of a bet: your probability against the offered odds.
Betting
calculators.
EV, Kelly, no-vig, odds converter, variance simulator: the essentials for measuring your bets.
Kelly Criterion
The theoretically optimal stake based on your bankroll and your edge.
No-vig calculator
Strips the bookmaker margin to recover the market's fair odds.
Odds converter
Decimal, fractional, American and implied probability.
[ Variance simulator ]
Variance, quantified.
1,000 trajectories simulated with your parameters, at a flat stake. Even with a real edge, losing streaks are part of the game: here is how deep they can realistically run.
Median P&L ·
Worst 5% of runs ·
Best 5% of runs ·
Profitable runs ·
→ Random simulation at fixed parameters · does not guarantee future performance · we suggest a flat stake of 1 to 2% of your bankroll per signal.
[ On the blog ]