Boxing Spreads Vig Rankings

In boxing, spread betting typically takes the form of round spreads or points spreads on the judges' scorecards. A fighter favored at -2.5 rounds, for example, needs to win by a stoppage or wide decision that effectively covers that margin, while a points spread like -15.5 requires the favored fighter to win by more than 15 points on the official scorecards. This differs significantly from team sports like football or basketball, where spreads are applied directly to the final score. Because boxing outcomes hinge on subjective judging criteria and the ever-present possibility of a knockout, round and points spreads introduce layers of complexity that demand careful analysis of fighting styles and finishing ability.

The spreads market becomes most valuable when there's a clear stylistic mismatch — a power puncher facing a defensively limited opponent, for instance, where a stoppage is likely and the round spread can offer better value than a simple moneyline. Bettors should study knockdown rates, late-round durability, and how each fighter performs against comparable opposition. Vig on boxing spreads tends to run slightly higher than on moneylines, largely because the market sees less volume and books build in extra margin to account for the inherent unpredictability of judging and stoppages. Comparing vig across books is particularly worthwhile here, as pricing can vary meaningfully on less liquid boxing lines.

Vig Rankings

No vig data available.

Frequently Asked Questions

Why does boxing have high vig?

Boxing odds carry higher vig because fights are infrequent, outcomes are unpredictable, and betting volume per event varies enormously. Championship bouts attract tighter lines while undercard fights may have vig above 8%. The moneyline-only nature of boxing also means one-sided matchups have especially wide margins.

When are boxing odds available?

Boxing doesn't follow a traditional season. Major bouts are scheduled throughout the year, with lines typically opening 2-4 weeks before fight night. High-profile matchups may have odds available months in advance.

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 exchange-level pricing. A (2–3%) is very competitive. B+ (3–4%) is above average. B (4–5%) is the industry standard — a -110/-110 line is 4.76%. C+ (5–6%) is slightly below average. C (6–7%) is below average. D (7–8%) is high vig. D− (8–10%) is very high vig. F (10%+) is predatory pricing. See the full Vig Index Methodology for formulas, worked examples, and known limitations.
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.