BetUS vs ESPN BET: where their odds disagree
Over the last 30 days, BetUS and ESPN BET quoted the same line at prices that summed to less than 100% on 2 game-markets — a cross-book arbitrage — with an average net edge of 11.04% and a peak of 11.59%. On plain vig, ESPN BET is the cheaper book of the two. Last disagreement: Sep 18, 2026.
Vig: BetUS vs ESPN BET
| BetUS | ESPN BET | |
|---|---|---|
| Overall overround | 4.64% | 4.55% |
| Moneyline | 3.31% | 4.12% |
| Spreads | 4.71% | 4.87% |
| Totals | 4.84% | 4.66% |
| NFL | 4.65% | 4.54% |
| MLB | 3.66% | 4.45% |
| NHL | 4.20% | 4.69% |
| MLS | 6.52% | — |
| NBA | — | 4.51% |
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 |
|---|---|---|---|---|
| Detroit Lions @ Buffalo Bills · NFL | moneyline | Buffalo Bills @ BetUS + Detroit Lions @ ESPN BET | 11.59% | Sep 17, 8:33 PM ET |
| Pittsburgh Pirates @ Chicago Cubs · MLB | spread 1.5 | Chicago Cubs @ ESPN BET + Pittsburgh Pirates @ BetUS | 10.48% | Sep 11, 2:37 PM ET |
Frequently asked questions
How often do BetUS and ESPN BET disagree?
In the last 30 days our scanner recorded 2 game-markets where BetUS and ESPN BET quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 2 scans. The average net edge was 11.04% and the largest 11.59%.
Which has lower vig, BetUS or ESPN BET?
ESPN BET — BetUS measures 4.64% 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 BetUS and ESPN BET disagree on most?
NFL (1 game-markets, avg 11.59%); MLB (1 game-markets, avg 10.48%).
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