We lose 49.5% of our bets
Yet the bankroll is up +81.1% since November 2025.
1,828 bets analyzed.
At first glance that makes no sense.
Most bettors believe profit comes from winning most of the time. But that isn’t how betting works.
What actually matters is whether the odds are wrong.
If the true probability of an outcome is higher than the odds imply, the bet has positive expected value. Over hundreds of bets, that mathematical edge compounds.
That is exactly what BetSpark looks for.




How the model works
Our model is not optimized for win rate.
Instead, it is optimized for something called calibration.
In simple terms we measure:
When the model says an outcome is 50% likely, how often is it actually correct?
If a model is well calibrated, its probabilities reflect reality surprisingly closely.
And once you have reliable probabilities, betting becomes a simple comparison:
If the model estimates a probability higher than the market implies, the bet has value.
A simple example
Imagine an outcome that is truly 49.5% likely.
But the bookmaker odds imply only 43% probability.
That difference may look small, but over hundreds of bets it becomes extremely profitable.
This is exactly the type of situation BetSpark identifies.
Every recommendation shown in the app has positive expected value according to the model.
The data behind the model
The model was trained on 62,000 football matches across 13 leagues.
Since November 2025 it has produced:
1,828
bets placed
+81.1%
bankroll growth
+13.3%
average edge
Losses happen regularly.
That is normal.
The edge comes from value, not from winning every bet.
Why we built BetSpark
Originally this started as a scientific question.
Is football betting actually solvable?
After thousands of bets, the evidence increasingly suggests that it might be.
BetSpark simply exposes this model so others can use it.
Inside BetSpark
Each recommendation shows everything you need to make an informed decision:
- Today's value bets, updated as markets move
- Model probability vs. market-implied probability
- Expected value, expressed as a percentage edge
- Bookmaker odds across multiple providers
- Recommended stake sizing based on your bankroll


A single recommendation as it appears in the app.
Try it yourself
You don’t need to take our word for any of this.
If you want access to the full set of recommendations, you can try BetSpark free for 30 days.
Three free recommendations available at all times.
See today’s value bets →No card required for the free recommendations.