BetRivers vs ReBet: where their odds disagree
Over the last 30 days, BetRivers and ReBet quoted the same line at prices that summed to less than 100% on 10 game-markets — a cross-book arbitrage — with an average net edge of 4.06% and a peak of 12.09%. On plain vig, BetRivers is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: BetRivers vs ReBet
| BetRivers | ReBet | |
|---|---|---|
| Overall overround | 5.44% | 6.66% |
| Moneyline | 4.98% | 5.93% |
| Spreads | 5.33% | 7.20% |
| Totals | 5.81% | 6.86% |
| NFL | 5.00% | 6.33% |
| MLB | 5.36% | 6.47% |
| NBA | 5.57% | 6.31% |
| NHL | 5.52% | 7.93% |
| MLS | 6.44% | — |
Disagreements by sport
| Sport | Game-markets | Avg net edge | Max net edge |
|---|---|---|---|
| MLB | 10 | 4.06% | 12.09% |
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 |
|---|---|---|---|---|
| Boston Red Sox @ Tampa Bay Rays · MLB | total 9.5 | Over @ BetRivers + Under @ ReBet | 0.70% | Sep 18, 8:19 PM ET |
| Seattle Mariners @ Los Angeles Angels · MLB | total 9.5 | Over @ BetRivers + Under @ ReBet | 12.09% | Sep 17, 12:32 AM ET |
| Los Angeles Dodgers @ Cincinnati Reds · MLB | total 5.5 | Over @ BetRivers + Under @ ReBet | 0.80% | Sep 15, 8:32 PM ET |
| Baltimore Orioles @ New York Mets · MLB | total 9.5 | Over @ ReBet + Under @ BetRivers | 1.11% | Sep 15, 7:30 PM ET |
| San Diego Padres @ San Francisco Giants · MLB | moneyline | San Diego Padres @ ReBet + San Francisco Giants @ BetRivers | 0.85% | Sep 13, 7:20 PM ET |
| Houston Astros @ Tampa Bay Rays · MLB | total 6.5 | Over @ ReBet + Under @ BetRivers | 1.65% | Sep 12, 8:13 PM ET |
| Toronto Blue Jays @ Athletics · MLB | total 8.5 | Over @ BetRivers + Under @ ReBet | 0.30% | Sep 7, 11:39 PM ET |
| Los Angeles Angels @ Pittsburgh Pirates · MLB | spread 1.5 | Los Angeles Angels @ ReBet + Pittsburgh Pirates @ BetRivers | 6.98% | Sep 6, 2:23 PM ET |
| Detroit Tigers @ Minnesota Twins · MLB | spread 3.5 | Detroit Tigers @ ReBet + Minnesota Twins @ BetRivers | 12.00% | Sep 2, 9:22 PM ET |
| St. Louis Cardinals @ Philadelphia Phillies · MLB | spread 2.5 | Philadelphia Phillies @ ReBet + St. Louis Cardinals @ BetRivers | 4.15% | Aug 23, 2:55 PM ET |
Frequently asked questions
How often do BetRivers and ReBet disagree?
In the last 30 days our scanner recorded 10 game-markets where BetRivers and ReBet quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 10 scans. The average net edge was 4.06% and the largest 12.09%.
Which has lower vig, BetRivers or ReBet?
BetRivers — BetRivers measures 5.44% overall and ReBet measures 6.66% 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 ReBet disagree on most?
MLB (10 game-markets, avg 4.06%).
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