FanDuel vig, measured: 4.58%
FanDuel ranks #9 of 21 US sportsbooks by overround over the last 30 days (lower is cheaper). Its margin is below the field average of 4.69%. In that window it was one side of a cross-book arbitrage on 680 game-markets.
FanDuel vig by sport
| Sport | Overround | Rank in sport | Field average | Lines |
|---|---|---|---|---|
| NBA | 4.50% | #2 of 15 | 4.73% | 78,240 |
| MLB | 4.56% | #10 of 20 | 4.50% | 123,025 |
| NFL | 4.57% | #11 of 21 | 4.76% | 233,762 |
| NHL | 4.85% | #11 of 16 | 4.78% | 39,120 |
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 | 4.15% | 4.92% | 4.99% |
| Sep 18, 2026 | 4.10% | 4.80% | 4.88% |
| Sep 17, 2026 | 4.11% | 4.87% | 4.88% |
| Sep 16, 2026 | 4.16% | 4.87% | 4.91% |
| Sep 15, 2026 | 4.14% | 4.83% | 4.90% |
| Sep 14, 2026 | 4.08% | 4.79% | 4.86% |
| Sep 13, 2026 | 4.21% | 4.92% | 5.01% |
| Sep 12, 2026 | 4.16% | 4.85% | 4.95% |
| Sep 11, 2026 | 4.13% | 4.77% | 4.88% |
| Sep 10, 2026 | 4.16% | 4.85% | 4.89% |
| Sep 9, 2026 | 4.12% | 4.84% | 4.93% |
| Sep 8, 2026 | 4.09% | 4.80% | 4.85% |
| Sep 7, 2026 | 4.09% | 4.84% | 4.87% |
| Sep 6, 2026 | 4.12% | 4.91% | 4.93% |
Which books disagree with FanDuel
An arbitrage needs two books on the same line at prices summing under 100%. These are the books that produced one with FanDuel most often over 30 days.
| Counterparty | Game-markets | Avg net edge | Max net edge | Last seen | |
|---|---|---|---|---|---|
| MyBookie | 180 | 4.19% | 14.78% | Sep 17, 2026 | pair page → |
| Caesars | 101 | 1.72% | 14.46% | Sep 19, 2026 | pair page → |
| betPARX | 83 | 3.96% | 14.58% | Sep 19, 2026 | pair page → |
| ReBet | 74 | 5.16% | 14.36% | Sep 19, 2026 | pair page → |
| BetMGM | 71 | 3.08% | 14.43% | Sep 19, 2026 | pair page → |
| DraftKings | 62 | 1.54% | 13.51% | Sep 19, 2026 | pair page → |
| Bovada | 60 | 4.30% | 14.32% | Sep 19, 2026 | pair page → |
| Fanatics Sportsbook | 55 | 3.42% | 12.68% | Sep 19, 2026 | pair page → |
| Hard Rock Bet | 35 | 3.60% | 11.67% | Sep 19, 2026 | pair page → |
| Fliff | 34 | 4.83% | 14.95% | Sep 19, 2026 | pair page → |
| LowVig | 30 | 2.60% | 14.07% | Sep 19, 2026 | pair page → |
| Bally Bet | 20 | 3.63% | 12.25% | Sep 18, 2026 | pair page → |
Recent FanDuel 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 |
|---|---|---|---|---|
| San Francisco Giants @ Los Angeles Dodgers · MLB | spread 2.5 | 2.01% | $50.26 / $2,500 | Sep 19, 12:39 AM ET |
| San Francisco Giants @ Los Angeles Dodgers · MLB | spread 1.5 | 0.37% | $9.24 / $2,500 | Sep 19, 12:08 AM ET |
| San Francisco Giants @ Los Angeles Dodgers · MLB | moneyline | 1.05% | $26.32 / $2,500 | Sep 19, 12:08 AM ET |
| New York Yankees @ Arizona Diamondbacks · MLB | spread 6.5 | 0.76% | $18.88 / $2,500 | Sep 18, 11:53 PM ET |
| Seattle Mariners @ Colorado Rockies · MLB | spread 1.5 | 2.32% | $58.01 / $2,500 | Sep 18, 11:07 PM ET |
| Toronto Blue Jays @ Texas Rangers · MLB | total 8.5 | 3.04% | $75.96 / $2,500 | Sep 18, 10:37 PM ET |
| Atlanta Braves @ Houston Astros · MLB | total 6.5 | 0.49% | $12.17 / $2,500 | Sep 18, 10:22 PM ET |
| Toronto Blue Jays @ Texas Rangers · MLB | total 9.5 | 1.18% | $29.38 / $2,500 | Sep 18, 9:51 PM ET |
| Toronto Blue Jays @ Texas Rangers · MLB | moneyline | 2.25% | $56.34 / $2,500 | Sep 18, 9:36 PM ET |
| Chicago Cubs @ Cincinnati Reds · MLB | total 10.5 | 6.90% | $172.41 / $2,500 | Sep 18, 9:36 PM ET |
| Philadelphia Phillies @ New York Mets · MLB | spread 3.5 | 3.64% | $91.08 / $2,500 | Sep 18, 9:20 PM ET |
| Philadelphia Phillies @ New York Mets · MLB | total 10.5 | 6.40% | $160.05 / $2,500 | Sep 18, 9:20 PM ET |
Frequently asked questions
What is FanDuel's vig?
Over the last 30 days FanDuel's measured overround is 4.58% across all lines we recorded — 4.00% on moneylines, 4.84% on spreads and 4.90% on totals. That ranks #9 of 21 US books we scan (lower is cheaper).
Is FanDuel a low-vig sportsbook?
Relative to the 21 books we measure, yes: its 4.58% overall margin is below the field average of 4.69%.
Which books disagree with FanDuel most often?
MyBookie — 180 game-markets in 30 days where the two books quoted the same line at prices that summed to less than 100%, averaging a 4.19% net edge. Next: Caesars (101).
How is this measured?
For every line FanDuel 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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