BetRivers vs Hard Rock Bet: where their odds disagree
Over the last 30 days, BetRivers and Hard Rock Bet 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 2.32% and a peak of 9.30%. On plain vig, Hard Rock Bet is the cheaper book of the two. Last disagreement: Sep 20, 2026.
Vig: BetRivers vs Hard Rock Bet
| BetRivers | Hard Rock Bet | |
|---|---|---|
| Overall overround | 5.43% | 4.65% |
| Moneyline | 4.97% | 4.21% |
| Spreads | 5.33% | 5.10% |
| Totals | 5.81% | 4.65% |
| NFL | 4.98% | 4.57% |
| MLB | 5.38% | 3.95% |
| NBA | 5.57% | — |
| NHL | 5.52% | 5.33% |
| 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 |
|---|---|---|---|---|
| San Francisco Giants @ Los Angeles Dodgers · MLB | total 14.5 | Over @ BetRivers + Under @ Hard Rock Bet | 3.24% | Sep 19, 11:53 PM ET |
| Miami Dolphins @ Las Vegas Raiders · NFL | spread 14.5 | Las Vegas Raiders @ BetRivers + Miami Dolphins @ Hard Rock Bet | 5.41% | Sep 13, 7:05 PM ET |
| Cincinnati Reds @ Milwaukee Brewers · MLB | total 8.5 | Over @ Hard Rock Bet + Under @ BetRivers | 4.81% | Sep 13, 4:48 PM ET |
| Seattle Mariners @ Athletics · MLB | total 20.5 | Over @ Hard Rock Bet + Under @ BetRivers | 4.76% | Sep 13, 12:17 AM ET |
| Los Angeles Dodgers @ Miami Marlins · MLB | total 8.5 | Over @ BetRivers + Under @ Hard Rock Bet | 4.39% | Sep 11, 10:18 PM ET |
| Cincinnati Reds @ Los Angeles Dodgers · MLB | spread 12.5 | Cincinnati Reds @ BetRivers + Los Angeles Dodgers @ Hard Rock Bet | 9.30% | Sep 10, 12:52 AM ET |
| Cincinnati Reds @ Los Angeles Dodgers · MLB | spread 8.5 | Cincinnati Reds @ Hard Rock Bet + Los Angeles Dodgers @ BetRivers | 0.30% | Sep 9, 11:36 PM ET |
| Washington Nationals @ San Diego Padres · MLB | total 6.5 | Over @ Hard Rock Bet + Under @ BetRivers | 2.07% | Sep 7, 7:50 PM ET |
| Boston Red Sox @ Baltimore Orioles · MLB | total 5.5 | Over @ BetRivers + Under @ Hard Rock Bet | 3.59% | Sep 5, 10:04 PM ET |
| Boston Red Sox @ Baltimore Orioles · MLB | spread 4.5 | Baltimore Orioles @ BetRivers + Boston Red Sox @ Hard Rock Bet | 3.59% | Sep 5, 10:04 PM ET |
| Baltimore Orioles @ Colorado Rockies · MLB | moneyline | Baltimore Orioles @ Hard Rock Bet + Colorado Rockies @ BetRivers | 0.66% | Aug 31, 6:51 PM ET |
| Chicago White Sox @ Houston Astros · MLB | total 8.5 | Over @ BetRivers + Under @ Hard Rock Bet | 0.30% | Aug 31, 1:12 PM ET |
| New York Mets @ Tampa Bay Rays · MLB | moneyline | New York Mets @ Hard Rock Bet + Tampa Bay Rays @ BetRivers | 0.55% | Aug 31, 2:02 AM ET |
| Miami Marlins @ Washington Nationals · MLB | total 8.5 | Over @ Hard Rock Bet + Under @ BetRivers | 0.46% | Aug 27, 10:58 PM ET |
| Houston Astros @ New York Yankees · MLB | total 8.5 | Over @ BetRivers + Under @ Hard Rock Bet | 0.30% | Aug 26, 6:22 AM ET |
Frequently asked questions
How often do BetRivers and Hard Rock Bet disagree?
In the last 30 days our scanner recorded 16 game-markets where BetRivers and Hard Rock Bet quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 20 scans. The average net edge was 2.32% and the largest 9.30%.
Which has lower vig, BetRivers or Hard Rock Bet?
Hard Rock Bet — BetRivers measures 5.43% overall and Hard Rock Bet measures 4.65% 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 Hard Rock Bet disagree on most?
MLB (15 game-markets, avg 2.16%); NFL (1 game-markets, avg 5.41%).
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