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Courtside vs ReBet: where their odds disagree

Over the last 30 days, Courtside and ReBet quoted the same line at prices that summed to less than 100% on 3 game-markets — a cross-book arbitrage — with an average net edge of 6.88% and a peak of 12.35%. On plain vig, Courtside is the cheaper book of the two. Last disagreement: Sep 19, 2026.

Game-markets with an arb
3
30 days
Average net edge
6.88%
after fees
Largest net edge
12.35%
capped at 15%
Scans that saw one
3
15-min refresh

Vig: Courtside vs ReBet

CourtsideReBet
Overall overround4.03%6.66%
Moneyline3.58%5.93%
Spreads3.90%7.20%
Totals5.49%6.86%
NFL3.69%6.33%
MLB4.38%6.47%
NBA6.31%
NHL7.93%

Disagreements by sport

SportGame-marketsAvg net edgeMax net edge
MLB36.88%12.35%

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.

23%33%
56%33%
1011%33%

Recent examples

Best detection per game-market, most recent first. These windows have closed.

GameMarketLegsNet edgeDetected
New York Yankees @ Arizona Diamondbacks · MLBspread 6.5Arizona Diamondbacks @ Courtside + New York Yankees @ ReBet12.35%Sep 19, 12:39 AM ET
Chicago Cubs @ Cincinnati Reds · MLBspread 1.5Chicago Cubs @ Courtside + Cincinnati Reds @ ReBet2.87%Sep 18, 9:20 PM ET
Baltimore Orioles @ New York Mets · MLBmoneylineBaltimore Orioles @ Courtside + New York Mets @ ReBet5.42%Sep 15, 9:48 PM ET

Frequently asked questions

How often do Courtside and ReBet disagree?

In the last 30 days our scanner recorded 3 game-markets where Courtside and ReBet quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 3 scans. The average net edge was 6.88% and the largest 12.35%.

Which has lower vig, Courtside or ReBet?

Courtside — Courtside measures 4.03% overall and ReBet measures 6.66% 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 ReBet disagree on most?

MLB (3 game-markets, avg 6.88%).

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Courtside vs ReBet: odds disagreements & arbitrage, measured (3 games in 30 days) · ArbMonster