Fliff vs ReBet: where their odds disagree
Over the last 30 days, Fliff and ReBet quoted the same line at prices that summed to less than 100% on 21 game-markets — a cross-book arbitrage — with an average net edge of 3.64% and a peak of 14.75%. On plain vig, Fliff is the cheaper book of the two. Last disagreement: Sep 19, 2026.
Vig: Fliff vs ReBet
| Fliff | ReBet | |
|---|---|---|
| Overall overround | 6.23% | 6.66% |
| Moneyline | 5.61% | 5.93% |
| Spreads | 6.49% | 7.20% |
| Totals | 6.50% | 6.86% |
| NFL | 6.07% | 6.33% |
| MLB | 6.13% | 6.47% |
| MLS | 9.87% | — |
| NBA | — | 6.31% |
| NHL | — | 7.93% |
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 |
|---|---|---|---|---|
| Miami Marlins @ San Diego Padres · MLB | spread 5.5 | Miami Marlins @ ReBet + San Diego Padres @ Fliff | 1.55% | Sep 19, 12:39 AM ET |
| Baltimore Orioles @ New York Mets · MLB | spread 5.5 | Baltimore Orioles @ Fliff + New York Mets @ ReBet | 0.25% | Sep 16, 8:14 PM ET |
| San Francisco Giants @ St. Louis Cardinals · MLB | spread 1.5 | San Francisco Giants @ Fliff + St. Louis Cardinals @ ReBet | 2.12% | Sep 14, 10:33 PM ET |
| Chicago White Sox @ St. Louis Cardinals · MLB | total 10.5 | Over @ ReBet + Under @ Fliff | 5.04% | Sep 12, 9:14 PM ET |
| Cleveland Guardians @ Minnesota Twins · MLB | spread 1.5 | Cleveland Guardians @ Fliff + Minnesota Twins @ ReBet | 3.31% | Sep 11, 9:48 PM ET |
| Kansas City Royals @ Boston Red Sox · MLB | total 5.5 | Over @ ReBet + Under @ Fliff | 2.76% | Sep 11, 9:48 PM ET |
| Arizona Cardinals @ Los Angeles Chargers · NFL | moneyline | Arizona Cardinals @ Fliff + Los Angeles Chargers @ ReBet | 0.34% | Sep 11, 3:09 AM ET |
| Minnesota Twins @ Detroit Tigers · MLB | spread 1.5 | Detroit Tigers @ Fliff + Minnesota Twins @ ReBet | 3.61% | Sep 7, 3:45 PM ET |
| Milwaukee Brewers @ Cincinnati Reds · MLB | total 16.5 | Over @ Fliff + Under @ ReBet | 2.52% | Sep 6, 2:53 PM ET |
| Athletics @ Seattle Mariners · MLB | spread 1.5 | Athletics @ ReBet + Seattle Mariners @ Fliff | 10.60% | Sep 4, 11:18 PM ET |
| St. Louis Cardinals @ Colorado Rockies · MLB | spread 1.5 | Colorado Rockies @ ReBet + St. Louis Cardinals @ Fliff | 7.55% | Sep 4, 9:46 PM ET |
| Miami Marlins @ Kansas City Royals · MLB | spread 3.5 | Kansas City Royals @ ReBet + Miami Marlins @ Fliff | 14.75% | Sep 3, 10:14 PM ET |
| Athletics @ Texas Rangers · MLB | spread 5.5 | Athletics @ Fliff + Texas Rangers @ ReBet | 3.74% | Aug 31, 9:24 PM ET |
| Baltimore Orioles @ St. Louis Cardinals · MLB | moneyline | Baltimore Orioles @ ReBet + St. Louis Cardinals @ Fliff | 3.69% | Aug 27, 4:37 PM ET |
| Kansas City Royals @ Toronto Blue Jays · MLB | total 4.5 | Over @ Fliff + Under @ ReBet | 2.26% | Aug 26, 8:54 PM ET |
Frequently asked questions
How often do Fliff and ReBet disagree?
In the last 30 days our scanner recorded 21 game-markets where Fliff and ReBet quoted the same line at prices whose implied probabilities summed to less than 100% — a cross-book arbitrage — across 21 scans. The average net edge was 3.64% and the largest 14.75%.
Which has lower vig, Fliff or ReBet?
Fliff — Fliff measures 6.23% overall and ReBet measures 6.66% 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 Fliff and ReBet disagree on most?
MLB (20 game-markets, avg 3.81%); NFL (1 game-markets, avg 0.34%).
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