Brazil's Série B is one of the more compelling second-division leagues for bettors who know where to look. The 20-team format running from April through November produces a grueling 38-match schedule per club, generating a high volume of betting opportunities across a compressed calendar. Scoring tends to sit slightly higher than Série A, with matches averaging around 2.3 to 2.5 goals, partly due to more open, less tactically disciplined play and significant gaps in squad quality between promotion contenders and relegation-threatened sides. Home-field advantage is notably pronounced — travel distances across Brazil are enormous, and passionate lower-division fanbases create hostile environments that regularly skew results toward the home side, making home/away splits a critical factor in any handicapping model.
Vig on Série B markets tends to run wider than what bettors encounter on Europe's top flights or even Brazil's Série A. Because liquidity is lower and bookmaker modeling for second-division Brazilian football carries more uncertainty, sportsbooks build in higher margins as a risk buffer — particularly on totals, Asian handicaps, and prop markets. Match result (1X2) lines are typically the tightest, but even there, margins can range from 4% to 8% depending on the book and the profile of the fixture. This makes shopping across multiple sportsbooks especially valuable; the spread between the sharpest and softest lines on a given Série B match can represent meaningful edge over a full season of wagering.
Seasonal patterns matter. Early-season matches in April and May often feature the widest margins, as bookmakers lack current form data and rely heavily on preseason projections. Vig tends to tighten modestly as the season progresses and market confidence grows, particularly around September and October when the promotion race and relegation battle crystallize. Bettors should also account for midweek fixture congestion, squad rotation driven by cup commitments (particularly the Copa do Brasil), and the impact of Brazil's winter weather in southern cities like Curitiba and Porto Alegre, where cooler conditions and rain can suppress scoring and disrupt the rhythm of teams accustomed to tropical climates.
Cross-Sport Vig Comparison
Brazil Série B averages 8.01% vig across 6 sportsbooks. Here's how that compares to other active sports:
| Sport | Avg Vig | vs Brazil Série B |
|---|---|---|
| Brazil Série B | 8.01% | — |
| NCAAF | 4.68% | 3.33% higher |
| AFL | 6.94% | 1.07% higher |
| MLB | 6.01% | 2.01% higher |
| MLB Preseason | 6.15% | 1.87% higher |
Vig Rankings
| # | Sportsbook | Avg Vig | Grade | ML | Spreads | Totals | Events |
|---|---|---|---|---|---|---|---|
| 1 | betPARX | 7.08% | D | 6.39% | — | 7.78% | 10 |
| 2 | Bovada | 7.22% | D | 8.33% | 6.58% | 6.75% | 10 |
| 3 | BetRivers | 7.61% | D | 7.03% | — | 8.19% | 10 |
| 4 | DraftKings | 7.85% | D | 7.85% | — | — | 10 |
| 5 | FanDuel | 9.15% | D- | 9.15% | — | — | 10 |
| 6 | BetMGM | 9.18% | D- | 10.11% | — | 8.25% | 10 |
Frequently Asked Questions
Which sportsbook has the lowest Brazil Série B vig?
betPARX currently has the lowest vig at 7.08%, earning a grade of D.
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.