↓ 7-day trend: Average vig has improved by 0.19 percentage points over the past week (from 4.63% to 4.45%). Sportsbooks are tightening their lines — a good sign for bettors.
theScore Bet (ESPN Bet) leads with 2.49% vig (A), followed by Pinnacle at 2.81%.
NBA betting offers one of the deepest and most liquid markets in American sports, driven by the league's 82-game regular season, nightly slates of multiple games, and the sheer volume of statistical data available. The high-scoring, fast-paced nature of basketball creates a wide range of betting options — spreads, totals, moneylines, player props, team props, quarters, halves, and live in-game markets. Because scoring is frequent and possessions are plentiful, oddsmakers can price lines with remarkable granularity, and sharp bettors have extensive historical data to identify edges. The result is a marketplace that rewards analytical rigor but also moves quickly, with lines shifting in response to information flow from shootarounds to tip-off.
Vig on NBA markets tends to be tighter than in many other sports, particularly on spreads and totals for high-profile games. Standard spread juice at most major sportsbooks sits around -110/-110, but competition among books frequently pushes this to -108 or even -105 on marquee matchups. Moneyline margins can widen on games with heavy favorites, where the implied probability gap between sides gives books more room to embed margin. Player prop markets, which have exploded in popularity, typically carry noticeably higher vig — often 15-25 cents of juice — because they're harder for books to price efficiently and attract more recreational action. Comparing vig across books on these secondary markets is where bettors can find the most meaningful savings.
The NBA regular season runs from mid-October through mid-April, with playoffs extending into June. Odds tend to be sharpest and most competitive during the heart of the regular season — December through March — when books have the most data to work with and betting volume is consistently high. Early-season lines can be softer as oddsmakers calibrate rosters, rotations, and new-look teams, creating potential opportunities for bettors who've done their preseason homework. Injury news is the single most impactful factor driving NBA line movement; star players routinely sit out games for load management, and the absence of a single elite player can swing a spread by 3-5 points. Home-court advantage, while diminished compared to pre-pandemic levels, still matters — roughly 1.5 to 2.5 points in most models — and back-to-back scheduling, travel distance, and rest advantages are key situational angles that consistently influence outcomes.
NBA Sportsbook Vig Rankings
| # | Sportsbook | Avg Vig | Grade | 24h | Moneyline | Spreads | Totals | Events |
|---|---|---|---|---|---|---|---|---|
| 1 | theScore Bet (ESPN Bet) | 2.49% | A | — | 2.15% | 2.42% | 2.90% | 1 |
| 2 | Pinnacle | 2.81% | A | — | 2.69% | 2.42% | 3.33% | 1 |
| 3 | LowVig.ag | 3.11% | B+ | — | 3.04% | 2.91% | 3.38% | 1 |
| 4 | BetOnline.ag | 4.23% | B | — | 3.18% | 4.76% | 4.76% | 1 |
| 5 | BetUS | 4.37% | B | — | 3.58% | 4.76% | 4.76% | 1 |
| 6 | Bovada | 4.39% | B | — | 3.70% | 4.71% | 4.76% | 1 |
| 7 | FanDuel | 4.49% | B | — | 3.98% | 4.76% | 4.73% | 1 |
| 8 | Caesars | 4.56% | B | — | 4.27% | 4.71% | 4.71% | 1 |
| 9 | DraftKings | 4.61% | B | — | 4.32% | 4.76% | 4.75% | 1 |
| 10 | BetMGM | 4.64% | B | — | 4.40% | 4.76% | 4.76% | 1 |
| 11 | Fanatics | 4.64% | B | — | 4.40% | 4.76% | 4.76% | 1 |
| 12 | BetAnything | 4.70% | B | — | 4.62% | 4.71% | 4.76% | 1 |
| 13 | Hard Rock Bet | 4.75% | B | — | 4.78% | 4.71% | 4.76% | 1 |
| 14 | ReBet | 4.80% | B | — | 4.01% | 4.76% | 5.64% | 1 |
| 15 | MyBookie.ag | 4.86% | B | — | 5.05% | 4.76% | 4.76% | 1 |
| 16 | betPARX | 4.91% | B | — | 4.78% | 4.97% | 4.97% | 1 |
| 17 | Bally Bet | 4.91% | B | — | 4.78% | 4.97% | 4.97% | 1 |
| 18 | 888sport | 5.04% | C+ | — | 5.59% | 4.76% | 4.76% | 1 |
| 19 | Fliff | 5.29% | C+ | — | 5.29% | 4.71% | 5.87% | 1 |
| 20 | BetRivers | 5.31% | C+ | — | 5.29% | 5.42% | 5.20% | 1 |
Best Line Leaders
Which sportsbook offers the best odds most often across 1 events:
| # | Sportsbook | Best Lines |
|---|---|---|
| 1 | Pinnacle | 2 |
| 2 | theScore Bet (ESPN Bet) | 2 |
| 3 | Bovada | 2 |
| 4 | 888sport | 1 |
| 5 | BetOnline.ag | 1 |
| 6 | Caesars | 1 |
| 7 | LowVig.ag | 1 |
Frequently Asked Questions
Which sportsbook has the lowest vig for NBA?
theScore Bet (ESPN Bet) currently has the lowest average vig for NBA at 2.49%, earning a grade of A.
How do sportsbook odds compare for NBA?
We compare 20 sportsbooks for NBA. The vig ranges from 2.49% (theScore Bet (ESPN Bet)) to 5.31% (BetRivers).
How does NBA vig compare to NFL?
NBA vig is generally 1–2% higher than NFL because per-game betting volume is lower despite the longer season. However, NBA still attracts enough action to keep vig competitive — especially for popular matchups and playoff games.
When is NBA season?
The NBA regular season runs from mid-October through mid-April, with playoffs extending through June. The All-Star break falls in mid-February. Off-season runs July through October, though futures markets may open earlier.
Does NBA vig differ between regular season and playoffs?
Yes. Playoff games, especially Conference Finals and the NBA Finals, attract significantly more betting volume. This increased liquidity pushes sportsbooks to compete harder on price, and playoff vig is typically 0.5–1.5% lower than regular season.
Which NBA market has the lowest vig?
NBA point spreads usually carry the lowest vig because they attract the most balanced action. Moneylines on lopsided matchups (heavy favorites) often have higher vig because books need wider margins to manage risk on one-sided games.
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.
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.