BetRivers vs MyBookie: where their odds disagree
Over the last 30 days, BetRivers and MyBookie quoted the same line at prices that summed to less than 100% on 16 game-markets — a cross-book arbitrage — with an average net edge of 4.85% and a peak of 14.35%. On plain vig, BetRivers is the cheaper book of the two. Last disagreement: Sep 20, 2026.
Vig: BetRivers vs MyBookie
| BetRivers | MyBookie | |
|---|---|---|
| Overall overround | 5.43% | 5.96% |
| Moneyline | 4.97% | 5.14% |
| Spreads | 5.33% | 6.07% |
| Totals | 5.81% | 6.31% |
| NFL | 4.98% | 5.10% |
| MLB | 5.38% | 4.66% |
| NBA | 5.57% | — |
| NHL | 5.52% | — |
| MLS | 6.44% | 7.91% |
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 |
|---|---|---|---|---|
| Washington Nationals @ St. Louis Cardinals · MLB | spread 1.5 | St. Louis Cardinals @ MyBookie + Washington Nationals @ BetRivers | 14.35% | Sep 19, 10:06 PM ET |
| Milwaukee Brewers @ Pittsburgh Pirates · MLB | moneyline | Milwaukee Brewers @ BetRivers + Pittsburgh Pirates @ MyBookie | 4.58% | Sep 17, 1:26 PM ET |
| Baltimore Orioles @ New York Mets · MLB | moneyline | Baltimore Orioles @ MyBookie + New York Mets @ BetRivers | 13.98% | Sep 15, 7:30 PM ET |
| Washington Commanders @ Philadelphia Eagles · NFL | moneyline | Philadelphia Eagles @ MyBookie + Washington Commanders @ BetRivers | 1.21% | Sep 13, 5:34 PM ET |
| Buffalo Bills @ Houston Texans · NFL | moneyline | Buffalo Bills @ BetRivers + Houston Texans @ MyBookie | 7.16% | Sep 13, 3:47 PM ET |
| Toronto Blue Jays @ Athletics · MLB | spread 1.5 | Athletics @ MyBookie + Toronto Blue Jays @ BetRivers | 0.50% | Sep 9, 10:22 AM ET |
| Pittsburgh Pirates @ Chicago White Sox · MLB | spread 1.5 | Chicago White Sox @ BetRivers + Pittsburgh Pirates @ MyBookie | 0.86% | Sep 9, 9:21 AM ET |
| St. Louis Cardinals @ San Francisco Giants · MLB | spread 1.5 | San Francisco Giants @ MyBookie + St. Louis Cardinals @ BetRivers | 2.41% | Sep 8, 11:25 PM ET |
| Toronto Blue Jays @ Athletics · MLB | spread 3.5 | Athletics @ MyBookie + Toronto Blue Jays @ BetRivers | 7.44% | Sep 7, 11:39 PM ET |
| New York Mets @ Miami Marlins · MLB | spread 2.5 | Miami Marlins @ MyBookie + New York Mets @ BetRivers | 0.30% | Sep 7, 2:59 PM ET |
| Arizona Diamondbacks @ Houston Astros · MLB | moneyline | Arizona Diamondbacks @ BetRivers + Houston Astros @ MyBookie | 0.52% | Sep 6, 4:09 PM ET |
| Athletics @ Seattle Mariners · MLB | total 15.0 | Over @ BetRivers + Under @ MyBookie | 3.00% | Sep 5, 12:04 AM ET |
| Athletics @ Seattle Mariners · MLB | moneyline | Athletics @ BetRivers + Seattle Mariners @ MyBookie | 2.68% | Sep 3, 10:30 PM ET |
| San Diego Padres @ Cincinnati Reds · MLB | spread 4.5 | Cincinnati Reds @ BetRivers + San Diego Padres @ MyBookie | 7.33% | Aug 31, 9:24 PM ET |
| Minnesota Twins @ Athletics · MLB | spread 3.5 | Athletics @ BetRivers + Minnesota Twins @ MyBookie | 1.98% | Aug 25, 11:13 PM ET |
Frequently asked questions
How often do BetRivers and MyBookie disagree?
In the last 30 days our scanner recorded 16 game-markets where BetRivers and MyBookie quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 17 scans. The average net edge was 4.85% and the largest 14.35%.
Which has lower vig, BetRivers or MyBookie?
BetRivers — BetRivers measures 5.43% overall and MyBookie measures 5.96% 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 BetRivers and MyBookie disagree on most?
MLB (14 game-markets, avg 4.94%); NFL (2 game-markets, avg 4.18%).
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