DraftKings vs FanDuel: where their odds disagree
Over the last 30 days, DraftKings and FanDuel quoted the same line at prices that summed to less than 100% on 62 game-markets — a cross-book arbitrage — with an average net edge of 1.54% and a peak of 13.51%. On plain vig, DraftKings is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: DraftKings vs FanDuel
| DraftKings | FanDuel | |
|---|---|---|
| Overall overround | 4.54% | 4.58% |
| Moneyline | 4.28% | 4.00% |
| Spreads | 4.66% | 4.84% |
| Totals | 4.69% | 4.90% |
| NFL | 4.57% | 4.57% |
| MLB | 4.65% | 4.56% |
| NBA | 4.58% | 4.50% |
| NHL | 4.33% | 4.85% |
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 |
|---|---|---|---|---|
| Atlanta Braves @ Houston Astros · MLB | total 6.5 | Over @ FanDuel + Under @ DraftKings | 0.49% | Sep 18, 10:22 PM ET |
| Milwaukee Brewers @ Baltimore Orioles · MLB | moneyline | Baltimore Orioles @ FanDuel + Milwaukee Brewers @ DraftKings | 2.38% | Sep 18, 9:20 PM ET |
| Athletics @ Tampa Bay Rays · MLB | total 6.5 | Over @ DraftKings + Under @ FanDuel | 0.96% | Sep 17, 1:26 PM ET |
| Milwaukee Brewers @ Pittsburgh Pirates · MLB | total 9.5 | Over @ FanDuel + Under @ DraftKings | 1.60% | Sep 16, 10:00 PM ET |
| Athletics @ Tampa Bay Rays · MLB | spread 4.5 | Athletics @ FanDuel + Tampa Bay Rays @ DraftKings | 3.70% | Sep 16, 7:13 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | spread 1.5 | Boston Red Sox @ FanDuel + Texas Rangers @ DraftKings | 0.72% | Sep 15, 9:33 PM ET |
| Dallas Cowboys @ New York Giants · NFL | spread 6.5 | Dallas Cowboys @ FanDuel + New York Giants @ DraftKings | 3.71% | Sep 13, 10:53 PM ET |
| Philadelphia Eagles @ Tennessee Titans · NFL | moneyline | Philadelphia Eagles @ DraftKings + Tennessee Titans @ FanDuel | 0.37% | Sep 13, 7:35 PM ET |
| Chicago Bears @ Carolina Panthers · NFL | spread 21.5 | Carolina Panthers @ DraftKings + Chicago Bears @ FanDuel | 11.67% | Sep 13, 4:48 PM ET |
| Philadelphia Phillies @ Atlanta Braves · MLB | moneyline | Atlanta Braves @ FanDuel + Philadelphia Phillies @ DraftKings | 1.23% | Sep 13, 3:32 PM ET |
| Los Angeles Angels @ Washington Nationals · MLB | total 7.5 | Over @ FanDuel + Under @ DraftKings | 1.80% | Sep 12, 6:11 PM ET |
| San Diego Padres @ San Francisco Giants · MLB | spread 2.5 | San Diego Padres @ DraftKings + San Francisco Giants @ FanDuel | 0.72% | Sep 12, 5:25 PM ET |
| Los Angeles Angels @ Washington Nationals · MLB | total 7.5 | Over @ DraftKings + Under @ FanDuel | 5.66% | Sep 11, 9:48 PM ET |
| Los Angeles Dodgers @ Miami Marlins · MLB | total 5.5 | Over @ FanDuel + Under @ DraftKings | 0.75% | Sep 11, 9:17 PM ET |
| Los Angeles Angels @ Washington Nationals · MLB | moneyline | Los Angeles Angels @ DraftKings + Washington Nationals @ FanDuel | 1.03% | Sep 11, 7:30 PM ET |
Frequently asked questions
How often do DraftKings and FanDuel disagree?
In the last 30 days our scanner recorded 62 game-markets where DraftKings and FanDuel quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 3,387 scans. The average net edge was 1.54% and the largest 13.51%.
Which has lower vig, DraftKings or FanDuel?
DraftKings — DraftKings measures 4.54% overall and FanDuel measures 4.58% 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 DraftKings and FanDuel disagree on most?
MLB (52 game-markets, avg 3.29%); NFL (10 game-markets, avg 1.51%).
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