Bovada leads with 4.55% vig (B), followed by theScore Bet at 5.43%.
Boxing presents a distinctive challenge for bettors because of its inherent volatility and the outsized role individual matchup dynamics play in determining outcomes. Unlike team sports where roster depth and system consistency smooth out variance, a single fighter's chin, cardio, or stylistic vulnerability can flip a fight entirely. The market offers a range of wagering options — moneyline, method of victory, round betting, over/under on total rounds, and increasingly granular prop markets for major cards — but liquidity and market depth vary dramatically depending on the fight's profile. Undercard bouts and regional cards often feature thin markets with limited sharp action, while marquee pay-per-view events draw enough volume to produce genuinely competitive lines.
Vig in boxing tends to run wider than in major team sports like the NFL or NBA. Sportsbooks face greater uncertainty in pricing fighters who may compete only two or three times per year, making it harder to build reliable power ratings. This uncertainty gets baked into the margins. Moneyline vig on a main event between well-known fighters might sit in the 4-6% range, but on lesser-known matchups or expansive prop markets like exact round finishes, margins can balloon to 10% or higher. Bettors shopping across multiple books can find meaningful differences, particularly in method-of-victory and round-group markets where each sportsbook may model knockout probability differently.
Boxing has no fixed season, but betting activity and line competitiveness follow a clear rhythm. The sharpest odds tend to appear around major event weekends — think the traditional May and September tentpole cards in Las Vegas, DAZN showcase events, and end-of-year championship consolidation fights. These high-profile cards attract the most two-way action, which forces books to tighten margins. Key factors that move boxing lines include training camp reports, weigh-in results, fighter age and inactivity layoffs, and stylistic matchup analysis — a southpaw-orthodox dynamic or a pressure fighter versus a pure boxer can shift the calculus far more than any venue or location factor.
Boxing Sportsbook Vig Rankings
| # | Sportsbook | Avg Vig | Grade | 24h | Moneyline | Spreads | Totals | Events |
|---|---|---|---|---|---|---|---|---|
| 1 | Bovada | 4.55% | B | — | 4.55% | — | — | 32 |
| 2 | theScore Bet | 5.43% | C+ | — | 5.43% | — | — | 32 |
| 3 | DraftKings | 5.49% | C+ | ↑ 0.08% | 5.49% | — | — | 32 |
| 4 | BetUS | 5.61% | C+ | ↓ 0.02% | 5.50% | — | 6.09% | 32 |
| 5 | Hard Rock Bet | 5.69% | C+ | ↑ 0.27% | 5.69% | — | — | 32 |
| 6 | BetOnline.ag | 6.02% | C | ↑ 0.16% | 5.88% | — | 6.67% | 32 |
| 7 | LowVig.ag | 6.02% | C | ↑ 0.16% | 5.88% | — | 6.67% | 32 |
| 8 | Bally Bet | 6.14% | C | — | 6.14% | — | — | 32 |
| 9 | BetRivers | 6.14% | C | — | 6.14% | — | — | 32 |
| 10 | betPARX | 6.14% | C | — | 6.14% | — | — | 32 |
| 11 | BetAnything | 6.25% | C | ↓ 0.19% | 6.25% | — | — | 32 |
| 12 | FanDuel | 6.54% | C | ↑ 0.11% | 6.54% | — | — | 32 |
Upcoming Events
| Matchup | Time | Coverage |
|---|---|---|
| Xavier Kohlen @ Kieran Molloy | Mar 20, 9:00 PM | 1 books |
| Kevin Walsh @ Michael Conlan | Mar 20, 10:00 PM | 4 books |
| Derrick Osaze @ Jimmy Sains | Mar 21, 8:00 PM | 4 books |
| Levi Giles @ Giorgio Visoli | Mar 21, 9:00 PM | 4 books |
| Tyler Denny @ George Liddard | Mar 21, 10:00 PM | 4 books |
Best Line Leaders
Which sportsbook offers the best odds most often across 29 events:
| # | Sportsbook | Best Lines |
|---|---|---|
| 1 | BetUS | 16 |
| 2 | DraftKings | 15 |
| 3 | FanDuel | 10 |
| 4 | theScore Bet | 10 |
| 5 | LowVig.ag | 6 |
| 6 | BetOnline.ag | 3 |
| 7 | Bally Bet | 1 |
| 8 | BetRivers | 1 |
| 9 | BetAnything | 1 |
| 10 | Hard Rock Bet | 1 |
Frequently Asked Questions
Which sportsbook has the lowest vig for Boxing?
Bovada currently has the lowest average vig for Boxing at 4.55%, earning a grade of B.
How do sportsbook odds compare for Boxing?
We compare 12 sportsbooks for Boxing. The vig ranges from 4.55% (Bovada) to 6.54% (FanDuel).
What is vig (vigorish) in sports betting?
Vig — short for vigorish, also called juice or overround — is the margin a sportsbook builds into its odds. It's the difference between the true probability of an outcome and what the odds imply. Lower vig means you keep more of your winnings on every bet. For example, a standard -110/-110 line has about 4.76% vig.
How often is this data updated?
We pull fresh odds from The Odds API three times per day — at 6:00 AM, 2:00 PM, and 10:00 PM UTC. Each snapshot captures the latest lines from every sportsbook that has posted odds. The timestamp at the top of the page shows the most recent refresh.
How is the vig grade calculated?
Each sportsbook is graded on a letter scale based on average vig: A+ (under 2%) is exceptional, A (2–3%) is excellent, B+ (3–4%) is above average, B (4–5%) is the industry standard, C (5–6%) is below average, and D (above 6%) indicates high-juice markets.
Why does lower vig matter for bettors?
Lower vig directly impacts your long-term returns. A bettor placing $1,000 per week at a book with 4% vig loses roughly $40/week to the house edge. At 2% vig, that drops to $20/week — a $1,040 difference over a year. For serious bettors, shopping for lower vig is one of the most reliable ways to improve profitability.
What sportsbooks do you track?
We track both regulated US sportsbooks (DraftKings, FanDuel, BetMGM, Caesars) and offshore books (Bovada, BetOnline, MyBookie, BetUS, LowVig.ag, BetAnySports). Data comes from The Odds API, which aggregates real-time lines from licensed sources.
How We Calculate These Numbers
- Data Source
- All odds on this page come from The Odds API, which aggregates real-time lines from licensed US and offshore sportsbooks. We track moneyline, spread, and totals markets across every sport with active betting lines.
- Update Frequency
- We pull a fresh snapshot of every tracked market three times per day — at 6:00 AM, 2:00 PM, and 10:00 PM UTC. Each snapshot captures the latest lines from every sportsbook that has posted odds for a given event. The timestamp at the top of each page tells you exactly when the data was last refreshed.
- Vig Calculation
- Vig (short for vigorish, also called juice or overround) measures the margin a sportsbook builds into its odds. We calculate it by converting the odds on each side of a market to implied probabilities, summing those probabilities, and subtracting 100%. For example, a market priced at -110/-110 implies 52.38% on each side — a total of 104.76%, meaning a vig of 4.76%. Lower vig means better value for bettors because you keep more of your winnings.
- Per-Market Breakdown
- We compute vig separately for each market type: moneyline (h2h), point spreads, and totals (over/under). The "average vig" shown for each sportsbook is the mean across all market types weighted by the number of events sampled in each market.
- Grading Scale
- Every sportsbook receives a letter grade based on its average vig: A+ (under 2%) is exceptional and rare — these are typically sharp-friendly books. A (2–3%) is excellent. B+ (3–4%) is above average. B (4–5%) is the industry standard for most recreational sportsbooks. C (5–6%) is below average. D (above 6%) indicates high-juice markets where bettors face a steep cost per wager.
- Trend Tracking
- We store daily snapshots for 30 days, allowing us to show 24-hour and 7-day vig trends. A downward trend (improving) means sportsbooks are tightening their lines — often in response to increased competition or higher betting volume as a season heats up.