BetUS vig, measured: 4.64%
BetUS ranks #11 of 21 US sportsbooks by overround over the last 30 days (lower is cheaper). Its margin is below the field average of 5.17%. In that window it was one side of a cross-book arbitrage on 91 game-markets.
BetUS vig by sport
| Sport | Overround | Rank in sport | Field average | Lines |
|---|---|---|---|---|
| MLB | 3.66% | #4 of 20 | 4.50% | 87,763 |
| NHL | 4.20% | #4 of 16 | 4.78% | 28,446 |
| NFL | 4.66% | #13 of 21 | 4.76% | 643,847 |
| MLS | 6.52% | #8 of 11 | 6.64% | 49,416 |
Daily margin, last 30 days
Overround per day by market type. Books adjust their margin around big slates and sharp action; the trend is more telling than any single day.
| Date | Moneyline | Spreads | Totals |
|---|---|---|---|
| Sep 19, 2026 | 3.31% | 4.75% | 5.10% |
| Sep 18, 2026 | 3.38% | 4.76% | 5.12% |
| Sep 17, 2026 | 3.50% | 4.92% | 5.16% |
| Sep 16, 2026 | 3.36% | 4.82% | 5.16% |
| Sep 15, 2026 | 3.39% | 4.36% | 4.78% |
| Sep 14, 2026 | 3.31% | 4.21% | 4.70% |
| Sep 13, 2026 | 3.33% | 4.61% | 4.75% |
| Sep 12, 2026 | 3.38% | 4.74% | 4.90% |
| Sep 11, 2026 | 3.37% | 4.71% | 4.88% |
| Sep 10, 2026 | 3.56% | 4.72% | 4.78% |
| Sep 9, 2026 | 3.27% | 4.74% | 4.84% |
| Sep 8, 2026 | 3.28% | 4.71% | 4.84% |
| Sep 7, 2026 | 3.37% | 4.75% | 4.85% |
| Sep 6, 2026 | 3.31% | 4.63% | 4.71% |
Which books disagree with BetUS
An arbitrage needs two books on the same line at prices summing under 100%. These are the books that produced one with BetUS most often over 30 days.
| Counterparty | Game-markets | Avg net edge | Max net edge | Last seen | |
|---|---|---|---|---|---|
| FanDuel | 14 | 2.88% | 10.72% | Sep 16, 2026 | pair page → |
| BetMGM | 12 | 2.44% | 7.18% | Sep 17, 2026 | pair page → |
| DraftKings | 10 | 1.14% | 3.03% | Sep 19, 2026 | pair page → |
| Caesars | 8 | 2.39% | 10.12% | Sep 13, 2026 | pair page → |
| Hard Rock Bet | 7 | 3.70% | 7.64% | Sep 16, 2026 | pair page → |
| Fanatics Sportsbook | 7 | 5.33% | 13.54% | Sep 15, 2026 | pair page → |
| Bovada | 6 | 4.65% | 10.14% | Sep 18, 2026 | pair page → |
| betPARX | 6 | 2.78% | 8.40% | Sep 18, 2026 | pair page → |
| BetRivers | 6 | 0.46% | 0.94% | Sep 9, 2026 | pair page → |
| ReBet | 6 | 7.01% | 10.30% | Sep 13, 2026 | pair page → |
| MyBookie | 4 | 3.57% | 8.24% | Sep 13, 2026 | pair page → |
| ESPN BET | 2 | 11.04% | 11.59% | Sep 18, 2026 | pair page → |
Recent BetUS arbitrage examples
Measured at detection, net of fees, at the reference stake shown. These windows have closed; they are a record of what the market did, not a recommendation.
| Game | Market | Net edge | Profit at stake | Detected |
|---|---|---|---|---|
| Toronto Blue Jays @ Texas Rangers · MLB | moneyline | 3.03% | $75.66 / $2,500 | Sep 18, 8:19 PM ET |
| Detroit Tigers @ Chicago White Sox · MLB | moneyline | 4.94% | $123.51 / $2,500 | Sep 18, 7:48 PM ET |
| Boston Red Sox @ Tampa Bay Rays · MLB | spread 1.5 | 0.74% | $18.52 / $2,500 | Sep 18, 3:24 PM ET |
| Detroit Lions @ Buffalo Bills · NFL | moneyline | 11.59% | $289.86 / $2,500 | Sep 17, 8:33 PM ET |
| Philadelphia Phillies @ New York Mets · MLB | moneyline | 0.70% | $17.59 / $2,500 | Sep 17, 7:16 PM ET |
| San Diego Padres @ Colorado Rockies · MLB | moneyline | 0.94% | $23.53 / $2,500 | Sep 16, 8:44 PM ET |
| Detroit Tigers @ Toronto Blue Jays · MLB | moneyline | 0.27% | $6.88 / $2,500 | Sep 16, 3:09 PM ET |
| Miami Marlins @ Arizona Diamondbacks · MLB | moneyline | 2.73% | $68.34 / $2,500 | Sep 15, 9:48 PM ET |
| Green Bay Packers @ New York Jets · NFL | moneyline | 0.69% | $17.27 / $2,500 | Sep 15, 8:47 PM ET |
| Kansas City Royals @ Houston Astros · MLB | spread 1.5 | 0.30% | $7.62 / $2,500 | Sep 15, 8:16 PM ET |
| Kansas City Royals @ Houston Astros · MLB | moneyline | 1.45% | $36.28 / $2,500 | Sep 15, 8:16 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | spread 1.5 | 0.33% | $8.31 / $2,500 | Sep 15, 8:16 PM ET |
Frequently asked questions
What is BetUS's vig?
Over the last 30 days BetUS's measured overround is 4.64% across all lines we recorded — 3.31% on moneylines, 4.71% on spreads and 4.84% on totals. That ranks #11 of 21 US books we scan (lower is cheaper).
Is BetUS a low-vig sportsbook?
Relative to the 21 books we measure, yes: its 4.64% overall margin is below the field average of 5.17%.
Which books disagree with BetUS most often?
FanDuel — 14 game-markets in 30 days where the two books quoted the same line at prices that summed to less than 100%, averaging a 2.88% net edge. Next: BetMGM (12).
How is this measured?
For every line BetUS posted that our scanner ingested, both sides' odds are converted to implied probabilities and summed; the excess over 100% is the overround. Figures are weighted by lines observed and averaged over 30 days. Nothing here is estimated — every number traces to recorded lines.
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