BetUS vs Hard Rock Bet: where their odds disagree
Over the last 30 days, BetUS and Hard Rock Bet quoted the same line at prices that summed to less than 100% on 7 game-markets — a cross-book arbitrage — with an average net edge of 3.70% and a peak of 7.64%. On plain vig, Hard Rock Bet is the cheaper book of the two. Last disagreement: Sep 16, 2026.
Vig: BetUS vs Hard Rock Bet
| BetUS | Hard Rock Bet | |
|---|---|---|
| Overall overround | 4.64% | 4.63% |
| Moneyline | 3.31% | 4.19% |
| Spreads | 4.71% | 5.07% |
| Totals | 4.84% | 4.63% |
| NFL | 4.65% | 4.57% |
| MLB | 3.66% | 3.86% |
| NHL | 4.20% | 5.33% |
| MLS | 6.52% | — |
Disagreements by sport
| Sport | Game-markets | Avg net edge | Max net edge |
|---|---|---|---|
| MLB | 7 | 3.70% | 7.64% |
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 |
|---|---|---|---|---|
| Miami Marlins @ Arizona Diamondbacks · MLB | moneyline | Arizona Diamondbacks @ BetUS + Miami Marlins @ Hard Rock Bet | 2.73% | Sep 15, 9:48 PM ET |
| Cincinnati Reds @ Milwaukee Brewers · MLB | moneyline | Cincinnati Reds @ Hard Rock Bet + Milwaukee Brewers @ BetUS | 4.53% | Sep 13, 2:17 PM ET |
| Baltimore Orioles @ Toronto Blue Jays · MLB | moneyline | Baltimore Orioles @ Hard Rock Bet + Toronto Blue Jays @ BetUS | 4.13% | Sep 12, 3:23 PM ET |
| New York Mets @ Miami Marlins · MLB | moneyline | Miami Marlins @ BetUS + New York Mets @ Hard Rock Bet | 2.25% | Sep 9, 6:48 PM ET |
| Atlanta Braves @ Philadelphia Phillies · MLB | spread 1.5 | Atlanta Braves @ Hard Rock Bet + Philadelphia Phillies @ BetUS | 3.37% | Sep 7, 1:12 PM ET |
| Boston Red Sox @ Baltimore Orioles · MLB | moneyline | Baltimore Orioles @ Hard Rock Bet + Boston Red Sox @ BetUS | 7.64% | Sep 4, 7:13 PM ET |
| Colorado Rockies @ Washington Nationals · MLB | total 9.5 | Over @ Hard Rock Bet + Under @ BetUS | 1.23% | Aug 27, 12:41 AM ET |
Frequently asked questions
How often do BetUS and Hard Rock Bet disagree?
In the last 30 days our scanner recorded 7 game-markets where BetUS and Hard Rock Bet quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 7 scans. The average net edge was 3.70% and the largest 7.64%.
Which has lower vig, BetUS or Hard Rock Bet?
Hard Rock Bet — BetUS measures 4.64% overall and Hard Rock Bet measures 4.63% 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 BetUS and Hard Rock Bet disagree on most?
MLB (7 game-markets, avg 3.70%).
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