BBMI vs Vegas: Winner Accuracy
When BBMI gives a team >50% win probability, how often does that team win? Head-to-head vs Vegas across 1,662 completed games with valid win probability data.
📌 Note: This measures outright winner prediction (money line) — separate from against-the-spread (ATS) performance. Only games where both win probabilities fall between 10%–90% are included, filtering out values that appear to be rough estimates derived from large spreads rather than true money line data. The more actionable edge is on the Picks Model Accuracy page.
OVERALL OUTRIGHT WINNER ACCURACY
65.2%
BBMI Accuracy
1,662 games
63.2%
Vegas Accuracy
1,662 games
+2.0%
BBMI vs Vegas
BBMI slightly better
ACCURACY BY CONFIDENCE BAND
| Confidence | BBMI Games | BBMI Correct | Vegas Games | Vegas Correct | BBMI Edge |
|---|
| 50–60% | 428 | 52.3% | 574 | 52.8% | -0.5% |
| 60–70% | 451 | 61.0% | 467 | 59.5% | +1.4% |
| 70–80% | 413 | 68.8% | 392 | 73.5% | -4.7% |
| 80–90% | 370 | 81.1% | 227 | 78.9% | +2.2% |
Confidence band = favored team's win probability. BBMI and Vegas bands are calculated independently so game counts may differ.
WHEN BBMI AND VEGAS DISAGREE
Out of 1,662 games, BBMI and Vegas picked the same team 85.0% of the time. In the remaining 249 games where they disagreed:
141
BBMI Was Right
56.6% of disagreements
108
Vegas Was Right
43.4% of disagreements
BBMI clearly better
Verdict
when models split
When BBMI and Vegas diverge on the outright winner, that often corresponds to a high-edge spread pick. Check Today's Picks for current high-edge games.
BBMI vs Vegas: Winner Accuracy