BetRivers vs Caesars: where their odds disagree
Over the last 30 days, BetRivers and Caesars quoted the same line at prices that summed to less than 100% on 20 game-markets — a cross-book arbitrage — with an average net edge of 2.08% and a peak of 11.21%. On plain vig, BetRivers is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: BetRivers vs Caesars
| BetRivers | Caesars | |
|---|---|---|
| Overall overround | 5.44% | 5.78% |
| Moneyline | 4.98% | 5.12% |
| Spreads | 5.33% | 6.09% |
| Totals | 5.81% | 6.16% |
| NFL | 5.00% | 6.12% |
| MLB | 5.36% | 4.13% |
| NBA | 5.57% | 4.58% |
| NHL | 5.52% | 4.67% |
| MLS | 6.44% | — |
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 |
|---|---|---|---|---|
| Kansas City Royals @ Pittsburgh Pirates · MLB | total 13.5 | Over @ BetRivers + Under @ Caesars | 7.33% | Sep 18, 9:05 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | total 5.5 | Over @ BetRivers + Under @ Caesars | 3.09% | Sep 17, 9:49 PM ET |
| Los Angeles Dodgers @ Miami Marlins · MLB | spread 2.5 | Los Angeles Dodgers @ Caesars + Miami Marlins @ BetRivers | 9.84% | Sep 13, 4:02 PM ET |
| Atlanta Falcons @ Pittsburgh Steelers · NFL | moneyline | Atlanta Falcons @ Caesars + Pittsburgh Steelers @ BetRivers | 11.21% | Sep 13, 3:32 PM ET |
| San Diego Padres @ San Francisco Giants · MLB | total 11.5 | Over @ BetRivers + Under @ Caesars | 1.52% | Sep 12, 5:25 PM ET |
| San Diego Padres @ San Francisco Giants · MLB | moneyline | San Diego Padres @ BetRivers + San Francisco Giants @ Caesars | 1.25% | Sep 12, 10:17 AM ET |
| Pittsburgh Pirates @ Chicago White Sox · MLB | moneyline | Chicago White Sox @ Caesars + Pittsburgh Pirates @ BetRivers | 0.98% | Sep 9, 10:38 AM ET |
| Texas Rangers @ Seattle Mariners · MLB | moneyline | Seattle Mariners @ Caesars + Texas Rangers @ BetRivers | 0.52% | Sep 8, 6:18 PM ET |
| Arizona Diamondbacks @ Houston Astros · MLB | spread 1.5 | Arizona Diamondbacks @ BetRivers + Houston Astros @ Caesars | 3.18% | Sep 6, 4:09 PM ET |
| Milwaukee Brewers @ Cincinnati Reds · MLB | moneyline | Cincinnati Reds @ Caesars + Milwaukee Brewers @ BetRivers | 0.70% | Sep 5, 5:25 AM ET |
| Tampa Bay Rays @ Texas Rangers · MLB | total 12.5 | Over @ BetRivers + Under @ Caesars | 2.44% | Sep 4, 10:47 PM ET |
| Miami Marlins @ Kansas City Royals · MLB | moneyline | Kansas City Royals @ BetRivers + Miami Marlins @ Caesars | 1.38% | Sep 3, 9:47 AM ET |
| Philadelphia Phillies @ Arizona Diamondbacks · MLB | total 9.0 | Over @ Caesars + Under @ BetRivers | 0.50% | Sep 2, 11:56 AM ET |
| Athletics @ Texas Rangers · MLB | moneyline | Athletics @ Caesars + Texas Rangers @ BetRivers | 1.74% | Sep 2, 12:13 AM ET |
| Philadelphia Phillies @ Arizona Diamondbacks · MLB | moneyline | Arizona Diamondbacks @ BetRivers + Philadelphia Phillies @ Caesars | 0.21% | Sep 1, 7:53 PM ET |
Frequently asked questions
How often do BetRivers and Caesars disagree?
In the last 30 days our scanner recorded 20 game-markets where BetRivers and Caesars quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 27 scans. The average net edge was 2.08% and the largest 11.21%.
Which has lower vig, BetRivers or Caesars?
BetRivers — BetRivers measures 5.44% overall and Caesars measures 5.78% 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 Caesars disagree on most?
MLB (19 game-markets, avg 1.72%); NFL (1 game-markets, avg 11.21%).
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