Vig Breakdown
Average
B · #10 of 18
Moneyline
Spreads
Totals
BetOnline.ag holds a solid reputation for college basketball coverage, particularly when it comes to the sheer volume of markets available. While their point spread and total lines on marquee matchups generally sit close to market consensus, their real edge emerges in mid-major and smaller conference games, where they routinely post lines earlier than many competitors. This early availability gives sharp bettors a window to find value before the market tightens. Their live betting interface for NCAAB has also improved significantly, offering in-game lines on a wide selection of contests throughout the season.
The trade-off is that BetOnline's vig on college basketball sides and totals can run slightly higher than the sharpest reduced-juice books, which matters for high-volume bettors grinding out thin margins. However, bettors who prioritize market breadth, early line access, and prop variety — especially during conference tournament season and March Madness — will find BetOnline a useful tool in their rotation. It's particularly well-suited for bettors who specialize in under-the-radar conferences where other books may be slower to post or quicker to limit.
Upcoming NCAAB Events
| Matchup | Moneyline | Time |
|---|---|---|
| Oklahoma Sooners @ Baylor Bears | -102 / -118 | Apr 4, 5:30 PM |
| West Virginia Mountaineers @ Creighton Bluejays | — | Apr 4, 8:00 PM |
| Illinois Fighting Illini @ UConn Huskies | -130 / +110 | Apr 4, 10:09 PM |
| Michigan Wolverines @ Arizona Wildcats | +100 / -120 | Apr 5, 12:49 AM |
| Tulsa Golden Hurricane @ Auburn Tigers | — | Apr 6, 12:00 AM |
Frequently Asked Questions
How does BetOnline.ag rank for NCAAB?
BetOnline.ag has 4.71% average vig for NCAAB, earning a grade of B. They rank #10 of 18 sportsbooks we track for this sport.
Is BetOnline good for sharp bettors?
BetOnline is one of the sharper offshore books. They offer relatively high limits, competitive vig, and are slower to limit winning bettors compared to recreational sites. They're a popular choice for serious bettors alongside Pinnacle and BetAnySports.
What sports does BetOnline cover?
BetOnline covers a wide range of sports including NFL, NBA, MLB, NHL, NCAAF, NCAAB, UFC/MMA, soccer, tennis, golf, and many international sports. They're known for having one of the broadest market offerings among offshore sportsbooks.
How does BetOnline handle payouts?
BetOnline offers payouts via cryptocurrency (fastest, usually same day), check by courier (7–14 days), and bank wire (5–7 days). They provide one free payout per month, with fees for additional withdrawals depending on the method.
Why is college basketball vig so variable?
NCAAB has hundreds of teams and thousands of games per season. Major conference matchups attract decent volume and competitive vig, but mid-major and early-season games see far less action. Sportsbooks compensate with wider margins on lower-profile games.
When is NCAAB season?
College basketball runs from November through early April, culminating in March Madness (the NCAA Tournament). The tournament generates massive betting interest and typically features some of the best vig of the NCAAB season.
Does March Madness have better vig than regular season?
Generally yes. March Madness is one of the most heavily bet events in American sports. The flood of casual and sharp money forces books to tighten their lines. Tournament vig is often 1–2% lower than early-season college basketball.
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.
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.