FanDuel vs Caesars: where their odds disagree
Over the last 30 days, FanDuel and Caesars quoted the same line at prices that summed to less than 100% on 101 game-markets — a cross-book arbitrage — with an average net edge of 1.72% and a peak of 14.46%. On plain vig, FanDuel is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: FanDuel vs Caesars
| FanDuel | Caesars | |
|---|---|---|
| Overall overround | 4.58% | 5.78% |
| Moneyline | 4.00% | 5.12% |
| Spreads | 4.84% | 6.09% |
| Totals | 4.90% | 6.16% |
| NFL | 4.57% | 6.12% |
| MLB | 4.56% | 4.13% |
| NBA | 4.50% | 4.58% |
| NHL | 4.85% | 4.67% |
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 |
|---|---|---|---|---|
| Seattle Mariners @ Colorado Rockies · MLB | moneyline | Colorado Rockies @ Caesars + Seattle Mariners @ FanDuel | 1.43% | Sep 18, 8:50 PM ET |
| Detroit Tigers @ Chicago White Sox · MLB | moneyline | Chicago White Sox @ FanDuel + Detroit Tigers @ Caesars | 5.75% | Sep 17, 10:19 PM ET |
| Kansas City Royals @ Houston Astros · MLB | total 7.5 | Over @ FanDuel + Under @ Caesars | 5.10% | Sep 17, 9:18 PM ET |
| Philadelphia Phillies @ New York Mets · MLB | total 5.5 | Over @ FanDuel + Under @ Caesars | 2.37% | Sep 17, 8:02 PM ET |
| Milwaukee Brewers @ Pittsburgh Pirates · MLB | total 9.5 | Over @ FanDuel + Under @ Caesars | 3.76% | Sep 17, 3:12 PM ET |
| Miami Marlins @ Arizona Diamondbacks · MLB | total 7.5 | Over @ Caesars + Under @ FanDuel | 1.23% | Sep 17, 12:17 AM ET |
| Los Angeles Dodgers @ Cincinnati Reds · MLB | spread 1.5 | Cincinnati Reds @ Caesars + Los Angeles Dodgers @ FanDuel | 6.03% | Sep 16, 7:13 PM ET |
| Detroit Tigers @ Toronto Blue Jays · MLB | spread 3.5 | Detroit Tigers @ Caesars + Toronto Blue Jays @ FanDuel | 5.96% | Sep 16, 4:56 PM ET |
| Miami Marlins @ Arizona Diamondbacks · MLB | total 3.5 | Over @ FanDuel + Under @ Caesars | 6.49% | Sep 16, 12:37 AM ET |
| Boston Red Sox @ Texas Rangers · MLB | spread 1.5 | Boston Red Sox @ FanDuel + Texas Rangers @ Caesars | 2.44% | Sep 15, 11:05 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | total 7.5 | Over @ FanDuel + Under @ Caesars | 3.22% | Sep 15, 10:34 PM ET |
| New York Yankees @ Minnesota Twins · MLB | total 8.5 | Over @ FanDuel + Under @ Caesars | 3.61% | Sep 15, 10:19 PM ET |
| Atlanta Braves @ Chicago Cubs · MLB | moneyline | Atlanta Braves @ Caesars + Chicago Cubs @ FanDuel | 8.13% | Sep 15, 10:19 PM ET |
| Baltimore Orioles @ New York Mets · MLB | moneyline | Baltimore Orioles @ FanDuel + New York Mets @ Caesars | 4.15% | Sep 15, 10:19 PM ET |
| Atlanta Braves @ Chicago Cubs · MLB | spread 1.5 | Atlanta Braves @ Caesars + Chicago Cubs @ FanDuel | 7.04% | Sep 15, 9:18 PM ET |
Frequently asked questions
How often do FanDuel and Caesars disagree?
In the last 30 days our scanner recorded 101 game-markets where FanDuel and Caesars quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 2,283 scans. The average net edge was 1.72% and the largest 14.46%.
Which has lower vig, FanDuel or Caesars?
FanDuel — FanDuel measures 4.58% overall and Caesars measures 5.78% 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 FanDuel and Caesars disagree on most?
MLB (98 game-markets, avg 3.45%); NFL (3 game-markets, avg 1.64%).
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