Independent sport models connected by one learning and evaluation framework.
Diamond Forecast does not use one generic formula for every sport. MLB, NFL, college football, soccer, NBA and NHL keep separate model logic while sharing a common framework for grading, calibration, stability analysis and controlled experimentation.
Champion and challenger
The production champion remains stable while challenger models can learn from new graded results in the background. A challenger must demonstrate better evidence before it can be considered for production.
Calibration over confidence theater
Diamond records whether a displayed 60% probability actually behaves like a 60% outcome over enough samples. Brier score, log loss and confidence buckets help identify overconfidence and underconfidence.
Experiments without silent production drift
Research and experiment systems can test feature changes or alternate calibration without automatically rewriting the live prediction model. Promotion is a separate controlled decision.
Important: Diamond Forecast publishes probabilities and model analysis, not guarantees. Sports outcomes contain real uncertainty. Qualified picks and parlays can lose, and users should never wager money they cannot afford to lose.