BetOnline.ag leads with 3.79% vig (B+), followed by DraftKings at 4.30%.
MMA stands apart from most major sports because of its inherent volatility. A single punch, kick, or submission attempt can end a fight in seconds, making moneyline betting the dominant market and creating an environment where underdogs cash at a remarkably high rate compared to other sports. The range of possible outcomes — KO/TKO, submission, decision, draw, or no contest — gives oddsmakers more variables to price and bettors more angles to exploit. Prop markets like method of victory, round betting, and over/under rounds add significant depth, though liquidity and pricing efficiency vary widely depending on the book and the profile of the fight.
Vig in MMA tends to run higher than in mainstream sports like NFL or NBA, particularly on lower-profile cards. Sportsbooks often build in wider margins on preliminary bouts and regional promotions where sharp action is sparse and pricing data is thinner. Main event and title fights on major UFC cards typically see tighter lines because they attract heavier volume and sharper money. The difference in vig between books on the same fight can be substantial — sometimes several percentage points — making line shopping especially valuable in this sport. Prop markets generally carry even steeper juice, so bettors who venture beyond the moneyline need to be particularly conscious of the price they're paying.
The UFC runs events nearly every weekend year-round, but the sharpest odds competition tends to cluster around numbered pay-per-view cards and marquee Fight Night headliners. January and February sometimes feature thinner cards as the promotion ramps up toward blockbuster summer and fall events. Key factors driving line movement include late injury news, weight cut issues, and short-notice opponent changes — all of which occur more frequently in MMA than in team sports. Stylistic matchups matter enormously: a wrestler facing a pure striker creates a fundamentally different fight than two pressure boxers, and books that account for these dynamics differently create exploitable discrepancies across the market.
MMA Sportsbook Vig Rankings
| # | Sportsbook | Avg Vig | Grade | 24h | Moneyline | Spreads | Totals | Events |
|---|---|---|---|---|---|---|---|---|
| 1 | BetOnline.ag | 3.79% | B+ | ↓ 0.04% | 3.81% | — | 3.75% | 48 |
| 2 | DraftKings | 4.30% | B | ↓ 0.82% | 4.30% | — | — | 48 |
| 3 | BetUS | 4.31% | B | ↑ 0.02% | 4.42% | — | 4.21% | 48 |
| 4 | Hard Rock Bet | 4.93% | B | ↓ 0.15% | 4.93% | — | — | 48 |
| 5 | BetRivers | 5.10% | C+ | ↓ 0.04% | 5.10% | — | — | 48 |
| 6 | Bally Bet | 5.11% | C+ | ↓ 0.21% | 5.11% | — | — | 48 |
| 7 | betPARX | 5.11% | C+ | ↓ 0.03% | 5.11% | — | — | 48 |
| 8 | BetMGM | 5.30% | C+ | ↓ 0.42% | 5.30% | — | — | 48 |
| 9 | Caesars | 5.92% | C+ | ↑ 0.88% | 5.92% | — | — | 48 |
| 10 | Fliff | 5.93% | C+ | ↓ 0.05% | 5.93% | — | — | 48 |
| 11 | FanDuel | 6.02% | C | ↑ 0.66% | 6.02% | — | — | 48 |
Upcoming Events
| Matchup | Time | Coverage |
|---|---|---|
| Francis Ngannou @ Philipe Lins | Mar 16, 10:00 PM | 1 books |
| Shem Rock @ Abdul-Kareem Al-Selwady | Mar 21, 4:00 PM | 10 books |
| Antonio Trocoli @ Mantas Kondratavicius | Mar 21, 4:00 PM | 11 books |
| Axel Sola @ Mason Jones | Mar 21, 4:00 PM | 11 books |
| Brando Pericic @ Louie Sutherland | Mar 21, 4:00 PM | 10 books |
Best Line Leaders
Which sportsbook offers the best odds most often across 25 events:
| # | Sportsbook | Best Lines |
|---|---|---|
| 1 | BetOnline.ag | 46 |
| 2 | DraftKings | 14 |
| 3 | Fliff | 4 |
| 4 | BetMGM | 3 |
| 5 | Caesars | 3 |
| 6 | Hard Rock Bet | 3 |
| 7 | FanDuel | 3 |
| 8 | BetUS | 2 |
Frequently Asked Questions
Which sportsbook has the lowest vig for MMA?
BetOnline.ag currently has the lowest average vig for MMA at 3.79%, earning a grade of B+.
How do sportsbook odds compare for MMA?
We compare 11 sportsbooks for MMA. The vig ranges from 3.79% (BetOnline.ag) to 6.02% (FanDuel).
Why does MMA have higher vig than team sports?
MMA is an individual sport with unpredictable outcomes — one punch can end a fight. Sportsbooks compensate for this uncertainty with wider margins. Additionally, MMA events happen weekly rather than daily, so there's less consistent volume to drive competition.
When are MMA odds available?
UFC events run nearly year-round, with numbered PPV events roughly monthly and Fight Night cards filling the gaps. Lines typically open 1–2 weeks before each event. There's no traditional off-season, though the schedule is lighter in December.
Which sportsbooks offer the best MMA odds?
Pinnacle and BetOnline are generally the sharpest for MMA due to higher limits and tighter pricing. Recreational books like BetUS and MyBookie tend to have higher vig on UFC fights. However, MMA vig across all books is typically higher than team sports.
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.