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.

Best FIFA Club World Cup Odds Today

Q: Can I still compare sportsbooks for FIFA Club World Cup?

No live odds are currently available for FIFA Club World Cup. In the meantime, check out our odds comparison page for other available options, or visit our overall Vig Index for cross-sport rankings.

FIFA Club World Cup Odds Not Currently Available

FIFA Club World Cup does not currently have odds in our data feed. When odds for events are available at sportsbooks they will be listed here. This page updates 3× daily from The Odds API — when sportsbooks begin posting FIFA Club World Cup lines, the full analysis will become available.

In the meantime, check out our odds comparison page for other available options.

The FIFA Club World Cup operates on a unique tournament calendar that differs significantly from traditional domestic leagues. The tournament typically runs for one week in December, featuring the champions from each of FIFA's six continental confederations plus the host nation's domestic champion. Preseason odds for the tournament usually emerge in October and November, once all qualifying teams have been determined through their respective continental championships like the UEFA Champions League, Copa Libertadores, and CAF Champions League. The compressed timeline means bettors have a narrow window to identify value before the tournament begins.

Off-season betting markets for the Club World Cup center heavily on outright winner futures, with European Champions League winners historically dominating as heavy favorites. Quarter-final and semi-final exact score props become popular given the tournament's knockout format, while top goalscorer markets offer value since star players often use the tournament as a showcase. Transfer market activity during the summer window can significantly impact odds, particularly when South American clubs strengthen their squads after continental success. Coaching changes at qualified clubs also create line movement, as tactical adjustments become crucial in the single-elimination format.

Vig patterns in Club World Cup betting tend to tighten considerably once the tournament bracket is set in November, as books gain clarity on potential matchups. The largest odds movements typically occur following the completion of continental championships in May and November, when qualifying teams are confirmed. European club odds often shift dramatically based on their domestic league form heading into December, while South American representatives see significant movement based on their Copa Libertadores final performances. Injury news in the weeks leading up to the tournament creates sharp line movement, particularly for star players from favored European clubs who view the tournament as an opportunity to claim the only major trophy missing from their collections.

In-Season Sports

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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.