BetMGM vs Bovada: where their odds disagree
Over the last 30 days, BetMGM and Bovada quoted the same line at prices that summed to less than 100% on 109 game-markets — a cross-book arbitrage — with an average net edge of 4.35% and a peak of 14.96%. On plain vig, Bovada is the cheaper book of the two. Last disagreement: Sep 20, 2026.
Vig: BetMGM vs Bovada
| BetMGM | Bovada | |
|---|---|---|
| Overall overround | 4.96% | 4.45% |
| Moneyline | 4.45% | 4.20% |
| Spreads | 4.65% | 4.46% |
| Totals | 5.58% | 4.64% |
| NFL | 4.38% | 4.53% |
| MLB | 4.81% | 4.58% |
| NBA | 4.61% | 4.50% |
| NHL | 4.56% | 4.18% |
| MLS | 8.72% | 4.62% |
Disagreements by sport
How big the edges were
Share of detections by net edge bucket. Most cross-book edges are small; the tail is where the money and the execution risk both live.
Recent examples
Best detection per game-market, most recent first. These windows have closed.
| Game | Market | Legs | Net edge | Detected |
|---|---|---|---|---|
| New York Yankees @ Arizona Diamondbacks · MLB | total 7.5 | Over @ BetMGM + Under @ Bovada | 0.72% | Sep 19, 11:38 PM ET |
| Minnesota Twins @ Los Angeles Angels · MLB | spread 2.5 | Los Angeles Angels @ Bovada + Minnesota Twins @ BetMGM | 1.93% | Sep 19, 11:22 PM ET |
| Athletics @ Cleveland Guardians · MLB | total 13.5 | Over @ Bovada + Under @ BetMGM | 1.11% | Sep 19, 6:47 PM ET |
| Detroit Tigers @ Chicago White Sox · MLB | moneyline | Chicago White Sox @ Bovada + Detroit Tigers @ BetMGM | 3.80% | Sep 18, 9:20 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | moneyline | Boston Red Sox @ Bovada + Texas Rangers @ BetMGM | 6.98% | Sep 16, 8:29 PM ET |
| Philadelphia Phillies @ Washington Nationals · MLB | moneyline | Philadelphia Phillies @ BetMGM + Washington Nationals @ Bovada | 0.91% | Sep 15, 9:18 PM ET |
| Miami Marlins @ Arizona Diamondbacks · MLB | total 13.5 | Over @ Bovada + Under @ BetMGM | 1.23% | Sep 15, 12:20 AM ET |
| Miami Marlins @ Arizona Diamondbacks · MLB | moneyline | Arizona Diamondbacks @ Bovada + Miami Marlins @ BetMGM | 4.84% | Sep 15, 12:20 AM ET |
| Atlanta Braves @ Chicago Cubs · MLB | total 10.5 | Over @ BetMGM + Under @ Bovada | 14.96% | Sep 14, 10:17 PM ET |
| New York Yankees @ Minnesota Twins · MLB | moneyline | Minnesota Twins @ BetMGM + New York Yankees @ Bovada | 0.74% | Sep 14, 9:32 PM ET |
| Los Angeles Dodgers @ Cincinnati Reds · MLB | moneyline | Cincinnati Reds @ Bovada + Los Angeles Dodgers @ BetMGM | 0.75% | Sep 14, 6:43 PM ET |
| Chicago White Sox @ Cleveland Guardians · MLB | spread 1.5 | Chicago White Sox @ Bovada + Cleveland Guardians @ BetMGM | 1.48% | Sep 14, 6:43 PM ET |
| Arizona Cardinals @ Los Angeles Chargers · NFL | moneyline | Arizona Cardinals @ Bovada + Los Angeles Chargers @ BetMGM | 7.33% | Sep 13, 6:04 PM ET |
| Houston Astros @ Tampa Bay Rays · MLB | spread 10.5 | Houston Astros @ BetMGM + Tampa Bay Rays @ Bovada | 6.35% | Sep 13, 4:02 PM ET |
| Houston Astros @ Tampa Bay Rays · MLB | total 18.5 | Over @ Bovada + Under @ BetMGM | 11.12% | Sep 13, 4:02 PM ET |
Frequently asked questions
How often do BetMGM and Bovada disagree?
In the last 30 days our scanner recorded 109 game-markets where BetMGM and Bovada quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 115 scans. The average net edge was 4.35% and the largest 14.96%.
Which has lower vig, BetMGM or Bovada?
Bovada — BetMGM measures 4.96% overall and Bovada measures 4.45% over 30 days of live lines. The per-market and per-sport breakdown is in the table above.
Does this mean I can make money betting both?
Not automatically. These are measurements of past disagreements at the moment they were detected. Lines move within minutes, displayed prices may not be available at your stake, both books must be accessible in your state, and neither book has to honor a stale price. ArbMonster shows the math; the execution and the risk are yours.
Which sports do BetMGM and Bovada disagree on most?
MLB (106 game-markets, avg 4.36%); NFL (3 game-markets, avg 3.87%).
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