BetAnySports vs BetMGM: where their odds disagree
Over the last 30 days, BetAnySports and BetMGM quoted the same line at prices that summed to less than 100% on 7 game-markets — a cross-book arbitrage — with an average net edge of 3.74% and a peak of 10.90%. On plain vig, BetAnySports is the cheaper book of the two. Last disagreement: Sep 17, 2026.
Vig: BetAnySports vs BetMGM
| BetAnySports | BetMGM | |
|---|---|---|
| Overall overround | 4.27% | 4.96% |
| Moneyline | 3.75% | 4.45% |
| Spreads | 4.31% | 4.65% |
| Totals | 4.56% | 5.58% |
| NFL | 4.44% | 4.39% |
| MLB | 4.04% | 4.81% |
| NBA | 4.71% | 4.60% |
| NHL | 4.47% | 4.56% |
| MLS | 4.25% | 8.73% |
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 |
|---|---|---|---|---|
| Seattle Mariners @ Los Angeles Angels · MLB | spread 1.5 | Los Angeles Angels @ BetMGM + Seattle Mariners @ BetAnySports | 10.90% | Sep 16, 9:45 PM ET |
| San Diego Padres @ Colorado Rockies · MLB | spread 1.5 | Colorado Rockies @ BetMGM + San Diego Padres @ BetAnySports | 1.11% | Sep 16, 8:44 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | moneyline | Boston Red Sox @ BetMGM + Texas Rangers @ BetAnySports | 0.71% | Sep 15, 8:16 PM ET |
| Washington Commanders @ Philadelphia Eagles · NFL | moneyline | Philadelphia Eagles @ BetMGM + Washington Commanders @ BetAnySports | 5.33% | Sep 13, 4:48 PM ET |
| Minnesota Twins @ Chicago White Sox · MLB | moneyline | Chicago White Sox @ BetAnySports + Minnesota Twins @ BetMGM | 2.88% | Sep 5, 7:15 PM ET |
| St. Louis Cardinals @ Colorado Rockies · MLB | moneyline | Colorado Rockies @ BetAnySports + St. Louis Cardinals @ BetMGM | 2.15% | Sep 4, 8:45 PM ET |
| Milwaukee Brewers @ Chicago Cubs · MLB | moneyline | Chicago Cubs @ BetAnySports + Milwaukee Brewers @ BetMGM | 3.08% | Aug 31, 7:52 PM ET |
Frequently asked questions
How often do BetAnySports and BetMGM disagree?
In the last 30 days our scanner recorded 7 game-markets where BetAnySports and BetMGM quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 7 scans. The average net edge was 3.74% and the largest 10.90%.
Which has lower vig, BetAnySports or BetMGM?
BetAnySports — BetAnySports measures 4.27% overall and BetMGM measures 4.96% 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 BetAnySports and BetMGM disagree on most?
MLB (6 game-markets, avg 3.47%); NFL (1 game-markets, avg 5.33%).
← all sportsbooks · BetAnySports · BetMGM · what arbitrage is · dutching calculator