Simulate the game 10,000 times
before the first whistle.
View confidence-rated sports predictions powered by 10,000 matchup simulations and tracked over time.
One free pick every day. No credit card required to start.
A model you can actually follow
Built for people who want the edge behind the number — not just the number.
10,000 simulations per game
Every matchup is run through a Monte Carlo engine before tip-off using efficiency, tempo, rank, home edge and market odds.
Confidence-rated picks
Projected winner, win probability, projected score, spread lean and total lean — each with a 0–100 confidence score.
Tracked over time
Results are graded after final scores. See win rate, spread hit rate, O/U hit rate and accuracy by confidence band.
Transparent, not hype
No guaranteed outcomes — just a repeatable model with an honest, public track record.
From data to decision
Ingest
Team efficiency, tempo, rank, recent form and market odds are loaded before tip-off.
Simulate
The Monte Carlo engine plays each matchup 10,000 times to build a full outcome distribution.
Grade
After final scores, every pick is graded and rolled into a public track record.
Ready to see today's edge?
Start free with one unlocked pick per day, or go Pro for the full board.
Responsible use. Crystal Ball produces confidence-rated estimates from Monte Carlo simulations. No prediction is a guaranteed outcome, and past model performance does not guarantee future results. Content is for entertainment and informational purposes only and is not betting advice. Must be 21+ where applicable. If you or someone you know has a gambling problem, call 1-800-GAMBLER.