Courtside vs Hard Rock Bet: where their odds disagree
Over the last 30 days, Courtside and Hard Rock Bet quoted the same line at prices that summed to less than 100% on 5 game-markets — a cross-book arbitrage — with an average net edge of 4.16% and a peak of 13.00%. On plain vig, Courtside is the cheaper book of the two. Last disagreement: Sep 16, 2026.
Vig: Courtside vs Hard Rock Bet
| Courtside | Hard Rock Bet | |
|---|---|---|
| Overall overround | 4.03% | 4.63% |
| Moneyline | 3.58% | 4.19% |
| Spreads | 3.90% | 5.07% |
| Totals | 5.49% | 4.63% |
| NFL | 3.69% | 4.57% |
| MLB | 4.38% | 3.86% |
| NHL | — | 5.33% |
Disagreements by sport
| Sport | Game-markets | Avg net edge | Max net edge |
|---|---|---|---|
| MLB | 5 | 4.16% | 13.00% |
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 | total 3.5 | Over @ Courtside + Under @ Hard Rock Bet | 1.74% | Sep 16, 12:52 AM ET |
| Chicago White Sox @ Cleveland Guardians · MLB | total 7.5 | Over @ Hard Rock Bet + Under @ Courtside | 4.29% | Sep 14, 9:32 PM ET |
| Baltimore Orioles @ New York Mets · MLB | moneyline | Baltimore Orioles @ Hard Rock Bet + New York Mets @ Courtside | 1.05% | Sep 14, 7:14 PM ET |
| Seattle Mariners @ Athletics · MLB | moneyline | Athletics @ Courtside + Seattle Mariners @ Hard Rock Bet | 13.00% | Sep 13, 6:50 PM ET |
| Houston Astros @ Tampa Bay Rays · MLB | spread 9.5 | Houston Astros @ Hard Rock Bet + Tampa Bay Rays @ Courtside | 0.72% | Sep 13, 4:33 PM ET |
Frequently asked questions
How often do Courtside and Hard Rock Bet disagree?
In the last 30 days our scanner recorded 5 game-markets where Courtside and Hard Rock Bet quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 5 scans. The average net edge was 4.16% and the largest 13.00%.
Which has lower vig, Courtside or Hard Rock Bet?
Courtside — Courtside measures 4.03% 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 Courtside and Hard Rock Bet disagree on most?
MLB (5 game-markets, avg 4.16%).
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