DraftKings vs Caesars: where their odds disagree
Over the last 30 days, DraftKings and Caesars quoted the same line at prices that summed to less than 100% on 87 game-markets — a cross-book arbitrage — with an average net edge of 1.60% and a peak of 13.63%. On plain vig, DraftKings is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: DraftKings vs Caesars
| DraftKings | Caesars | |
|---|---|---|
| Overall overround | 4.54% | 5.78% |
| Moneyline | 4.28% | 5.12% |
| Spreads | 4.66% | 6.09% |
| Totals | 4.69% | 6.16% |
| NFL | 4.57% | 6.12% |
| MLB | 4.65% | 4.13% |
| NBA | 4.58% | 4.58% |
| NHL | 4.33% | 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 |
|---|---|---|---|---|
| New York Yankees @ Arizona Diamondbacks · MLB | spread 6.5 | Arizona Diamondbacks @ Caesars + New York Yankees @ DraftKings | 11.16% | Sep 19, 12:24 AM ET |
| New York Yankees @ Arizona Diamondbacks · MLB | total 11.5 | Over @ Caesars + Under @ DraftKings | 13.63% | Sep 19, 12:24 AM ET |
| Seattle Mariners @ Colorado Rockies · MLB | total 9.5 | Over @ Caesars + Under @ DraftKings | 2.89% | Sep 18, 11:07 PM ET |
| New York Yankees @ Arizona Diamondbacks · MLB | total 12.5 | Over @ DraftKings + Under @ Caesars | 0.49% | Sep 18, 10:52 PM ET |
| Washington Nationals @ St. Louis Cardinals · MLB | total 9.5 | Over @ DraftKings + Under @ Caesars | 2.61% | Sep 18, 8:50 PM ET |
| Philadelphia Phillies @ New York Mets · MLB | total 7.5 | Over @ Caesars + Under @ DraftKings | 1.72% | Sep 18, 8:50 PM ET |
| Detroit Tigers @ Chicago White Sox · MLB | spread 5.5 | Chicago White Sox @ DraftKings + Detroit Tigers @ Caesars | 0.34% | Sep 18, 8:19 PM ET |
| Detroit Lions @ Buffalo Bills · NFL | moneyline | Buffalo Bills @ Caesars + Detroit Lions @ DraftKings | 2.60% | Sep 17, 10:35 PM ET |
| Philadelphia Phillies @ New York Mets · MLB | moneyline | New York Mets @ DraftKings + Philadelphia Phillies @ Caesars | 4.77% | Sep 17, 8:33 PM ET |
| Miami Marlins @ Arizona Diamondbacks · MLB | moneyline | Arizona Diamondbacks @ DraftKings + Miami Marlins @ Caesars | 4.93% | Sep 17, 12:17 AM ET |
| Seattle Mariners @ Los Angeles Angels · MLB | spread 1.5 | Los Angeles Angels @ Caesars + Seattle Mariners @ DraftKings | 2.26% | Sep 16, 10:15 PM ET |
| Seattle Mariners @ Los Angeles Angels · MLB | moneyline | Los Angeles Angels @ Caesars + Seattle Mariners @ DraftKings | 2.62% | Sep 16, 10:15 PM ET |
| Kansas City Royals @ Houston Astros · MLB | total 4.5 | Over @ DraftKings + Under @ Caesars | 2.20% | Sep 16, 10:15 PM ET |
| Los Angeles Dodgers @ Cincinnati Reds · MLB | total 8.5 | Over @ Caesars + Under @ DraftKings | 10.50% | Sep 16, 9:30 PM ET |
| Boston Red Sox @ Texas Rangers · MLB | spread 2.5 | Boston Red Sox @ Caesars + Texas Rangers @ DraftKings | 0.52% | Sep 15, 10:34 PM ET |
Frequently asked questions
How often do DraftKings and Caesars disagree?
In the last 30 days our scanner recorded 87 game-markets where DraftKings and Caesars quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 22,834 scans. The average net edge was 1.60% and the largest 13.63%.
Which has lower vig, DraftKings or Caesars?
DraftKings — DraftKings measures 4.54% 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 DraftKings and Caesars disagree on most?
MLB (63 game-markets, avg 4.32%); NFL (24 game-markets, avg 1.59%).
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