Bally Bet vs Fanatics Sportsbook: where their odds disagree
Over the last 30 days, Bally Bet and Fanatics Sportsbook quoted the same line at prices that summed to less than 100% on 13 game-markets — a cross-book arbitrage — with an average net edge of 4.12% and a peak of 12.54%. On plain vig, Fanatics Sportsbook is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: Bally Bet vs Fanatics Sportsbook
| Bally Bet | Fanatics Sportsbook | |
|---|---|---|
| Overall overround | 5.29% | 4.75% |
| Moneyline | 4.81% | 4.54% |
| Spreads | 5.14% | 4.91% |
| Totals | 5.70% | 4.80% |
| NFL | 4.89% | 4.65% |
| MLB | 5.51% | 4.87% |
| NBA | 4.84% | 4.64% |
| NHL | 5.13% | 4.73% |
| MLS | 6.48% | — |
Disagreements by sport
| Sport | Game-markets | Avg net edge | Max net edge |
|---|---|---|---|
| MLB | 13 | 4.12% | 12.54% |
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 |
|---|---|---|---|---|
| Miami Marlins @ San Diego Padres · MLB | moneyline | Miami Marlins @ Fanatics Sportsbook + San Diego Padres @ Bally Bet | 11.09% | Sep 18, 11:07 PM ET |
| Chicago White Sox @ St. Louis Cardinals · MLB | spread 1.5 | Chicago White Sox @ Bally Bet + St. Louis Cardinals @ Fanatics Sportsbook | 5.32% | Sep 13, 4:33 PM ET |
| Colorado Rockies @ Detroit Tigers · MLB | spread 1.5 | Colorado Rockies @ Bally Bet + Detroit Tigers @ Fanatics Sportsbook | 1.31% | Sep 11, 8:00 PM ET |
| Pittsburgh Pirates @ Chicago Cubs · MLB | spread 10.5 | Chicago Cubs @ Fanatics Sportsbook + Pittsburgh Pirates @ Bally Bet | 3.60% | Sep 11, 4:40 PM ET |
| Cleveland Guardians @ Baltimore Orioles · MLB | spread 3.5 | Baltimore Orioles @ Bally Bet + Cleveland Guardians @ Fanatics Sportsbook | 1.21% | Sep 8, 8:52 PM ET |
| Tampa Bay Rays @ Texas Rangers · MLB | total 14.5 | Over @ Fanatics Sportsbook + Under @ Bally Bet | 2.75% | Sep 6, 4:24 PM ET |
| Tampa Bay Rays @ Texas Rangers · MLB | spread 1.5 | Tampa Bay Rays @ Fanatics Sportsbook + Texas Rangers @ Bally Bet | 7.11% | Sep 6, 4:24 PM ET |
| Athletics @ Seattle Mariners · MLB | moneyline | Athletics @ Bally Bet + Seattle Mariners @ Fanatics Sportsbook | 0.44% | Sep 4, 11:49 PM ET |
| Arizona Diamondbacks @ Houston Astros · MLB | moneyline | Arizona Diamondbacks @ Fanatics Sportsbook + Houston Astros @ Bally Bet | 0.32% | Sep 4, 10:47 PM ET |
| Detroit Tigers @ Cleveland Guardians · MLB | moneyline | Cleveland Guardians @ Fanatics Sportsbook + Detroit Tigers @ Bally Bet | 12.54% | Sep 4, 10:32 PM ET |
| Houston Astros @ New York Yankees · MLB | spread 1.5 | Houston Astros @ Bally Bet + New York Yankees @ Fanatics Sportsbook | 4.11% | Aug 25, 10:27 PM ET |
| Cincinnati Reds @ San Francisco Giants · MLB | spread 1.5 | Cincinnati Reds @ Bally Bet + San Francisco Giants @ Fanatics Sportsbook | 1.55% | Aug 25, 10:12 PM ET |
| Cleveland Guardians @ Los Angeles Angels · MLB | total 5.5 | Over @ Bally Bet + Under @ Fanatics Sportsbook | 2.25% | Aug 24, 10:40 PM ET |
Frequently asked questions
How often do Bally Bet and Fanatics Sportsbook disagree?
In the last 30 days our scanner recorded 13 game-markets where Bally Bet and Fanatics Sportsbook quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 13 scans. The average net edge was 4.12% and the largest 12.54%.
Which has lower vig, Bally Bet or Fanatics Sportsbook?
Fanatics Sportsbook — Bally Bet measures 5.29% overall and Fanatics Sportsbook measures 4.75% 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 Bally Bet and Fanatics Sportsbook disagree on most?
MLB (13 game-markets, avg 4.12%).
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