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 Leagues Cup Odds Today

Q: Can I still compare sportsbooks for Leagues Cup?

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

Leagues Cup Odds Not Currently Available

Leagues 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 Leagues Cup lines, the full analysis will become available.

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

The Leagues Cup operates on a compressed tournament schedule, typically running from late July through mid-August, coinciding with the MLS regular season break and Liga MX's summer window. Unlike traditional league seasons, this knockout tournament features all 47 MLS and Liga MX clubs competing in a World Cup-style format over approximately three weeks. Preseason betting markets usually emerge in May and June, when both leagues finalize their rosters and the tournament bracket structure becomes clear. The tournament's unique timing creates distinct betting patterns, as it interrupts both leagues' regular seasons and provides crucial preparation for fall playoff pushes.

Off-season futures markets focus heavily on tournament winner odds, with books typically offering enhanced payouts for Liga MX underdogs and specialized props like "furthest advancing MLS team" or "top scorer by league." Transfer window activity between January and July significantly impacts these markets, particularly when Liga MX giants like Club América or Tigres acquire high-profile talent, or when MLS Designated Players join contending sides. Draft-related betting opportunities are minimal given the tournament's timing, but summer transfer deadline movements in both leagues create substantial line adjustments, especially for clubs like LAFC, Inter Miami, or Monterrey that historically invest heavily in marquee signings.

Vig patterns in Leagues Cup betting tend to be wider during initial market releases due to the tournament's relative unpredictability and cross-league matchup complexities. Books typically tighten margins once group stage results establish clearer form lines, with the best value window often occurring in late June when rosters are set but before preseason friendlies provide additional data points. The biggest off-season odds movements historically stem from Designated Player signings, coaching changes at major clubs, and the release of the official bracket draw, which can dramatically shift perceived paths to the final for top-seeded teams.

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.