ESPN BET vs FanDuel: where their odds disagree
Over the last 30 days, ESPN BET and FanDuel quoted the same line at prices that summed to less than 100% on 15 game-markets — a cross-book arbitrage — with an average net edge of 1.82% and a peak of 12.79%. On plain vig, ESPN BET is the cheaper book of the two. Last disagreement: Sep 16, 2026.
Vig: ESPN BET vs FanDuel
| ESPN BET | FanDuel | |
|---|---|---|
| Overall overround | 4.55% | 4.58% |
| Moneyline | 4.12% | 4.00% |
| Spreads | 4.87% | 4.84% |
| Totals | 4.66% | 4.90% |
| NFL | 4.54% | 4.57% |
| MLB | 4.45% | 4.56% |
| NBA | 4.51% | 4.50% |
| NHL | 4.69% | 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 |
|---|---|---|---|---|
| San Francisco Giants @ St. Louis Cardinals · MLB | total 14.5 | Over @ ESPN BET + Under @ FanDuel | 1.96% | Sep 15, 8:47 PM ET |
| Seattle Mariners @ Athletics · MLB | total 19.5 | Over @ FanDuel + Under @ ESPN BET | 3.85% | Sep 13, 12:02 AM ET |
| Philadelphia Phillies @ Atlanta Braves · MLB | moneyline | Atlanta Braves @ FanDuel + Philadelphia Phillies @ ESPN BET | 0.92% | Sep 11, 11:49 PM ET |
| Pittsburgh Pirates @ Chicago White Sox · MLB | total 12.5 | Over @ FanDuel + Under @ ESPN BET | 1.48% | Sep 8, 10:09 PM ET |
| Athletics @ Seattle Mariners · MLB | spread 1.5 | Athletics @ FanDuel + Seattle Mariners @ ESPN BET | 0.30% | Sep 4, 2:19 AM ET |
| Athletics @ Seattle Mariners · MLB | spread 1.5 | Athletics @ FanDuel + Seattle Mariners @ ESPN BET | 4.25% | Sep 3, 10:14 PM ET |
| Cincinnati Reds @ Chicago Cubs · MLB | total 11.5 | Over @ ESPN BET + Under @ FanDuel | 10.72% | Aug 30, 10:13 PM ET |
| Milwaukee Brewers @ New York Mets · MLB | spread 7.5 | Milwaukee Brewers @ FanDuel + New York Mets @ ESPN BET | 3.37% | Aug 26, 9:09 PM ET |
| Baltimore Orioles @ St. Louis Cardinals · MLB | spread 7.5 | Baltimore Orioles @ ESPN BET + St. Louis Cardinals @ FanDuel | 1.38% | Aug 26, 8:38 PM ET |
| Milwaukee Brewers @ New York Mets · MLB | spread 1.5 | Milwaukee Brewers @ FanDuel + New York Mets @ ESPN BET | 1.98% | Aug 26, 7:38 PM ET |
| Pittsburgh Pirates @ San Diego Padres · MLB | moneyline | Pittsburgh Pirates @ FanDuel + San Diego Padres @ ESPN BET | 2.92% | Aug 26, 12:14 AM ET |
| Colorado Rockies @ Washington Nationals · MLB | moneyline | Colorado Rockies @ ESPN BET + Washington Nationals @ FanDuel | 11.24% | Aug 25, 10:42 PM ET |
| Texas Rangers @ Chicago White Sox · MLB | total 11.5 | Over @ FanDuel + Under @ ESPN BET | 12.79% | Aug 24, 10:40 PM ET |
| Minnesota Twins @ San Diego Padres · MLB | total 9.5 | Over @ FanDuel + Under @ ESPN BET | 4.36% | Aug 23, 6:43 PM ET |
| Philadelphia 76ers @ New York Knicks · NBA | moneyline | New York Knicks @ ESPN BET + Philadelphia 76ers @ FanDuel | 1.68% | Aug 23, 12:22 PM ET |
Frequently asked questions
How often do ESPN BET and FanDuel disagree?
In the last 30 days our scanner recorded 15 game-markets where ESPN BET and FanDuel quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 273 scans. The average net edge was 1.82% and the largest 12.79%.
Which has lower vig, ESPN BET or FanDuel?
ESPN BET — ESPN BET measures 4.55% 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 ESPN BET and FanDuel disagree on most?
MLB (14 game-markets, avg 4.40%); NBA (1 game-markets, avg 1.68%).
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