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DraftKings vs MyBookie: where their odds disagree

Over the last 30 days, DraftKings and MyBookie quoted the same line at prices that summed to less than 100% on 98 game-markets — a cross-book arbitrage — with an average net edge of 4.88% and a peak of 14.21%. On plain vig, DraftKings is the cheaper book of the two. Last disagreement: Sep 17, 2026.

Game-markets with an arb
98
30 days
Average net edge
4.88%
after fees
Largest net edge
14.21%
capped at 15%
Scans that saw one
106
15-min refresh

Vig: DraftKings vs MyBookie

DraftKingsMyBookie
Overall overround4.54%5.96%
Moneyline4.28%5.14%
Spreads4.66%6.07%
Totals4.69%6.31%
NFL4.57%5.12%
MLB4.65%4.66%
NBA4.58%
NHL4.33%
MLS7.92%

Disagreements by sport

SportGame-marketsAvg net edgeMax net edge
MLB934.95%14.21%
NFL53.77%8.57%

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.

01%9%
12%14%
23%18%
34%11%
45%9%
56%8%
67%4%
78%5%
89%6%
910%4%
1011%12%

Recent examples

Best detection per game-market, most recent first. These windows have closed.

GameMarketLegsNet edgeDetected
Seattle Mariners @ Los Angeles Angels · MLBspread 4.5Los Angeles Angels @ MyBookie + Seattle Mariners @ DraftKings6.36%Sep 17, 12:17 AM ET
Miami Marlins @ Arizona Diamondbacks · MLBmoneylineArizona Diamondbacks @ MyBookie + Miami Marlins @ DraftKings1.72%Sep 16, 11:01 PM ET
Boston Red Sox @ Texas Rangers · MLBspread 1.5Boston Red Sox @ MyBookie + Texas Rangers @ DraftKings12.71%Sep 16, 9:30 PM ET
Athletics @ Tampa Bay Rays · MLBmoneylineAthletics @ DraftKings + Tampa Bay Rays @ MyBookie1.89%Sep 16, 7:59 PM ET
San Francisco Giants @ St. Louis Cardinals · MLBmoneylineSan Francisco Giants @ DraftKings + St. Louis Cardinals @ MyBookie3.38%Sep 16, 3:55 PM ET
San Francisco Giants @ St. Louis Cardinals · MLBspread 1.5San Francisco Giants @ DraftKings + St. Louis Cardinals @ MyBookie7.29%Sep 16, 3:55 PM ET
Chicago White Sox @ Cleveland Guardians · MLBtotal 9.5Over @ DraftKings + Under @ MyBookie13.65%Sep 16, 3:39 PM ET
New York Yankees @ Minnesota Twins · MLBmoneylineMinnesota Twins @ DraftKings + New York Yankees @ MyBookie4.56%Sep 16, 3:09 PM ET
Baltimore Orioles @ New York Mets · MLBspread 1.5Baltimore Orioles @ MyBookie + New York Mets @ DraftKings6.83%Sep 15, 9:02 PM ET
San Diego Padres @ Colorado Rockies · MLBmoneylineColorado Rockies @ DraftKings + San Diego Padres @ MyBookie4.42%Sep 15, 8:47 PM ET
Chicago White Sox @ Cleveland Guardians · MLBspread 1.5Chicago White Sox @ DraftKings + Cleveland Guardians @ MyBookie3.43%Sep 15, 8:01 PM ET
Los Angeles Dodgers @ Cincinnati Reds · MLBspread 4.5Cincinnati Reds @ MyBookie + Los Angeles Dodgers @ DraftKings1.34%Sep 15, 7:46 PM ET
New York Yankees @ Minnesota Twins · MLBspread 4.5Minnesota Twins @ DraftKings + New York Yankees @ MyBookie8.41%Sep 14, 10:17 PM ET
San Francisco Giants @ St. Louis Cardinals · MLBmoneylineSan Francisco Giants @ DraftKings + St. Louis Cardinals @ MyBookie0.49%Sep 14, 8:30 PM ET
Detroit Tigers @ Toronto Blue Jays · MLBmoneylineDetroit Tigers @ DraftKings + Toronto Blue Jays @ MyBookie2.02%Sep 14, 8:15 PM ET

Frequently asked questions

How often do DraftKings and MyBookie disagree?

In the last 30 days our scanner recorded 98 game-markets where DraftKings and MyBookie quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 106 scans. The average net edge was 4.88% and the largest 14.21%.

Which has lower vig, DraftKings or MyBookie?

DraftKings — DraftKings measures 4.54% overall and MyBookie measures 5.96% 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 MyBookie disagree on most?

MLB (93 game-markets, avg 4.95%); NFL (5 game-markets, avg 3.77%).

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DraftKings vs MyBookie: odds disagreements & arbitrage, measured (98 games in 30 days) · ArbMonster