BetRivers vs ESPN BET: where their odds disagree
Over the last 30 days, BetRivers and ESPN BET quoted the same line at prices that summed to less than 100% on 11 game-markets — a cross-book arbitrage — with an average net edge of 2.51% and a peak of 9.30%. On plain vig, ESPN BET is the cheaper book of the two. Last disagreement: Sep 17, 2026.
Vig: BetRivers vs ESPN BET
| BetRivers | ESPN BET | |
|---|---|---|
| Overall overround | 5.44% | 4.55% |
| Moneyline | 4.98% | 4.12% |
| Spreads | 5.33% | 4.87% |
| Totals | 5.81% | 4.66% |
| NFL | 5.00% | 4.54% |
| MLB | 5.36% | 4.45% |
| NBA | 5.57% | 4.51% |
| NHL | 5.52% | 4.69% |
| 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 @ Houston Astros · MLB | spread 4.5 | Houston Astros @ ESPN BET + Kansas City Royals @ BetRivers | 1.25% | Sep 16, 10:30 PM ET |
| Miami Dolphins @ Las Vegas Raiders · NFL | total 45.5 | Over @ BetRivers + Under @ ESPN BET | 0.99% | Sep 13, 7:05 PM ET |
| Buffalo Bills @ Houston Texans · NFL | moneyline | Buffalo Bills @ ESPN BET + Houston Texans @ BetRivers | 1.54% | Sep 13, 2:17 PM ET |
| New York Jets @ Tennessee Titans · NFL | moneyline | New York Jets @ BetRivers + Tennessee Titans @ ESPN BET | 1.65% | Sep 13, 2:02 PM ET |
| Kansas City Royals @ Boston Red Sox · MLB | total 6.5 | Over @ BetRivers + Under @ ESPN BET | 0.40% | Sep 12, 6:42 PM ET |
| Houston Astros @ Tampa Bay Rays · MLB | total 7.5 | Over @ BetRivers + Under @ ESPN BET | 0.30% | Sep 11, 10:18 PM ET |
| Cincinnati Reds @ Los Angeles Dodgers · MLB | total 15.5 | Over @ BetRivers + Under @ ESPN BET | 9.30% | Sep 10, 12:52 AM ET |
| Cincinnati Reds @ Los Angeles Dodgers · MLB | spread 8.5 | Cincinnati Reds @ ESPN BET + Los Angeles Dodgers @ BetRivers | 4.22% | Sep 9, 11:51 PM ET |
| Texas Rangers @ Seattle Mariners · MLB | moneyline | Seattle Mariners @ ESPN BET + Texas Rangers @ BetRivers | 0.44% | Sep 8, 7:51 PM ET |
| Los Angeles Angels @ Pittsburgh Pirates · MLB | total 5.5 | Over @ ESPN BET + Under @ BetRivers | 2.72% | Sep 4, 8:30 PM ET |
| Detroit Tigers @ Cleveland Guardians · MLB | moneyline | Cleveland Guardians @ BetRivers + Detroit Tigers @ ESPN BET | 7.00% | Sep 4, 2:35 PM ET |
Frequently asked questions
How often do BetRivers and ESPN BET disagree?
In the last 30 days our scanner recorded 11 game-markets where BetRivers and ESPN BET quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 12 scans. The average net edge was 2.51% and the largest 9.30%.
Which has lower vig, BetRivers or ESPN BET?
ESPN BET — BetRivers measures 5.44% overall and ESPN BET measures 4.55% 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 ESPN BET disagree on most?
MLB (8 game-markets, avg 2.88%); NFL (3 game-markets, avg 1.40%).
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