Overall Comparison
BetOnline.ag ✔ Lower Vig
Average vig · B
↑ 0.15% up since yesterday
Caesars
Average vig · C+
BetOnline.ag wins on 8 of 9 sports. The biggest gap is in UEFA Europa League, where BetOnline.ag charges 2.53% less vig. Caesars is only competitive in MLS.
BetOnline.ag and Caesars Sportsbook represent two fundamentally different models in the sports betting landscape. Caesars operates as a fully regulated U.S. sportsbook, licensed state by state, backed by the massive infrastructure of Caesars Entertainment, and deeply integrated with its casino loyalty program. BetOnline.ag is an offshore operator based in Panama that has served U.S. bettors since the early 2000s, operating outside the domestic regulatory framework. Caesars typically prices lines competitively on major markets but can carry higher vig on secondary and prop markets, partly because its business model relies on cross-selling casino products and loyalty incentives. BetOnline often posts lines earlier and can offer sharper pricing on niche markets, though its standard vig on sides and totals is frequently in the same -110 range.
A bettor's preference between these two books often comes down to priorities. Caesars is the clear choice for anyone who values regulatory protection, seamless deposit and withdrawal through U.S. banking, and access to frequent promotional offers — especially new-user bonuses and odds boosts tied to its Caesars Rewards program. BetOnline appeals more to bettors who need access from states where legal options are limited, want higher limits on certain markets, or prefer the flexibility of cryptocurrency deposits and withdrawals. BetOnline also tends to be more tolerant of winning players, whereas Caesars has a well-documented history of limiting or restricting sharp accounts relatively quickly.
Beyond vig, bettors should weigh several practical factors. Caesars offers the security of state-regulated dispute resolution and guaranteed payouts, while BetOnline's offshore status means bettors have limited legal recourse if issues arise — though the book has maintained a generally reliable payout track record over two decades. Caesars' mobile app is polished but can be slow during peak traffic. BetOnline's interface is functional rather than sleek, but its prop builder and early line availability give it an edge for bettors who shop for value before the market sharpens.
Vig Comparison by Sport
Frequently Asked Questions
Is BetOnline.ag or Caesars better for odds?
BetOnline.ag currently offers lower vig overall. BetOnline.ag averages 4.77% vig (B) while Caesars averages 5.89% vig (C+).
How does BetOnline.ag compare to Caesars by sport?
We compare both books across 71 sports. The comparison covers vig percentages, grades, and which book offers better odds per 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.
Is Caesars Sportsbook the same as William Hill?
Yes — Caesars Entertainment acquired William Hill in 2021 and rebranded US operations as Caesars Sportsbook. Our data may show "Caesars" or "William Hill" depending on how the API reports the book. The odds and vig are the same entity.
How does Caesars vig compare to other regulated books?
Caesars typically has similar vig to DraftKings, FanDuel, and BetMGM. They compete more on loyalty rewards (Caesars Rewards program) and retail sportsbook access than on odds quality. Sharp bettors will find better pricing at offshore books.
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 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.