DraftKings vig, measured: 4.54%
DraftKings ranks #6 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 571 game-markets.
DraftKings vig by sport
| Sport | Overround | Rank in sport | Field average | Lines |
|---|---|---|---|---|
| NHL | 4.33% | #5 of 16 | 4.78% | 251,685 |
| NFL | 4.57% | #10 of 21 | 4.76% | 1,676,663 |
| NBA | 4.58% | #5 of 15 | 4.73% | 320,784 |
| MLB | 4.65% | #12 of 20 | 4.50% | 116,799 |
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 | 4.40% | 4.61% | 4.70% |
| Sep 18, 2026 | 4.37% | 4.57% | 4.65% |
| Sep 17, 2026 | 4.36% | 4.59% | 4.66% |
| Sep 16, 2026 | 4.38% | 4.60% | 4.67% |
| Sep 15, 2026 | 4.38% | 4.57% | 4.64% |
| Sep 14, 2026 | 4.36% | 4.55% | 4.63% |
| Sep 13, 2026 | 4.33% | 4.67% | 4.70% |
| Sep 12, 2026 | 4.32% | 4.67% | 4.70% |
| Sep 11, 2026 | 4.31% | 4.66% | 4.68% |
| Sep 10, 2026 | 4.29% | 4.67% | 4.69% |
| Sep 9, 2026 | 4.31% | 4.67% | 4.70% |
| Sep 8, 2026 | 4.30% | 4.66% | 4.69% |
| Sep 7, 2026 | 4.30% | 4.67% | 4.69% |
| Sep 6, 2026 | 4.31% | 4.67% | 4.70% |
Which books disagree with DraftKings
An arbitrage needs two books on the same line at prices summing under 100%. These are the books that produced one with DraftKings most often over 30 days.
| Counterparty | Game-markets | Avg net edge | Max net edge | Last seen | |
|---|---|---|---|---|---|
| MyBookie | 98 | 4.88% | 14.21% | Sep 17, 2026 | pair page → |
| Caesars | 87 | 1.60% | 13.63% | Sep 19, 2026 | pair page → |
| Bovada | 67 | 3.09% | 13.69% | Sep 18, 2026 | pair page → |
| FanDuel | 62 | 1.54% | 13.51% | Sep 19, 2026 | pair page → |
| betPARX | 56 | 3.16% | 14.54% | Sep 19, 2026 | pair page → |
| ReBet | 53 | 4.40% | 14.18% | Sep 19, 2026 | pair page → |
| BetMGM | 48 | 4.22% | 13.33% | Sep 19, 2026 | pair page → |
| Fanatics Sportsbook | 44 | 3.00% | 11.21% | Sep 19, 2026 | pair page → |
| Hard Rock Bet | 42 | 3.18% | 12.97% | Sep 19, 2026 | pair page → |
| Fliff | 29 | 3.22% | 10.76% | Sep 19, 2026 | pair page → |
| ESPN BET | 24 | 1.16% | 10.07% | Sep 19, 2026 | pair page → |
| LowVig | 16 | 2.85% | 12.55% | Sep 16, 2026 | pair page → |
Recent DraftKings 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 |
|---|---|---|---|---|
| New York Yankees @ Arizona Diamondbacks · MLB | spread 6.5 | 11.16% | $278.98 / $2,500 | Sep 19, 12:24 AM ET |
| New York Yankees @ Arizona Diamondbacks · MLB | total 11.5 | 13.63% | $340.82 / $2,500 | Sep 19, 12:24 AM ET |
| Minnesota Twins @ Los Angeles Angels · MLB | total 6.5 | 3.37% | $84.34 / $2,500 | Sep 18, 11:38 PM ET |
| Seattle Mariners @ Colorado Rockies · MLB | total 9.5 | 2.89% | $72.18 / $2,500 | Sep 18, 11:07 PM ET |
| New York Yankees @ Arizona Diamondbacks · MLB | total 12.5 | 0.49% | $12.25 / $2,500 | Sep 18, 10:52 PM ET |
| Minnesota Twins @ Los Angeles Angels · MLB | total 5.5 | 0.25% | $6.23 / $2,500 | Sep 18, 10:52 PM ET |
| Washington Nationals @ St. Louis Cardinals · MLB | spread 8.5 | 4.44% | $111.11 / $2,500 | Sep 18, 10:22 PM ET |
| Atlanta Braves @ Houston Astros · MLB | total 6.5 | 0.49% | $12.17 / $2,500 | Sep 18, 10:22 PM ET |
| Detroit Tigers @ Chicago White Sox · MLB | spread 1.5 | 2.22% | $55.53 / $2,500 | Sep 18, 10:22 PM ET |
| Milwaukee Brewers @ Baltimore Orioles · MLB | total 8.5 | 5.61% | $140.31 / $2,500 | Sep 18, 10:22 PM ET |
| Washington Nationals @ St. Louis Cardinals · MLB | spread 7.5 | 2.73% | $68.37 / $2,500 | Sep 18, 9:20 PM ET |
| Athletics @ Cleveland Guardians · MLB | spread 2.5 | 6.40% | $159.96 / $2,500 | Sep 18, 9:20 PM ET |
Frequently asked questions
What is DraftKings's vig?
Over the last 30 days DraftKings's measured overround is 4.54% across all lines we recorded — 4.28% on moneylines, 4.66% on spreads and 4.69% on totals. That ranks #6 of 21 US books we scan (lower is cheaper).
Is DraftKings a low-vig sportsbook?
Relative to the 21 books we measure, yes: its 4.54% overall margin is below the field average of 4.69%.
Which books disagree with DraftKings most often?
MyBookie — 98 game-markets in 30 days where the two books quoted the same line at prices that summed to less than 100%, averaging a 4.88% net edge. Next: Caesars (87).
How is this measured?
For every line DraftKings 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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