Overall Comparison
BetOnline.ag ✔ Lower Vig
Average vig · B
↑ 0.15% up since yesterday
betPARX
Average vig · D
↑ 0.06% up since yesterday
BetOnline.ag wins on 28 of 29 sports. The biggest gap is in K League 1, where BetOnline.ag charges 5.81% less vig. betPARX is only competitive in FA Cup.
BetOnline.ag and betPARX represent two fundamentally different models in the sports betting landscape. BetOnline operates as an offshore sportsbook based in Panama, serving a broad international and U.S. audience without the constraints of state-by-state licensing. betPARX, by contrast, is a regulated U.S. operator rooted in the Parx Casino brand in Pennsylvania, with legal operations in a handful of states. This distinction shapes nearly every aspect of the betting experience — from line availability to withdrawal methods. BetOnline tends to post lines earlier, offer a wider range of props and international markets, and operate with slightly more aggressive vig on certain niche offerings. betPARX generally keeps its menu more focused on major U.S. sports, with competitive pricing on popular markets but less depth overall.
A bettor who values market variety, cryptocurrency payouts, and access from states without legal sports betting will naturally gravitate toward BetOnline.ag. It's also the stronger option for bettors who want early lines or access to obscure leagues and props that regulated books don't always carry. On the other hand, betPARX is the clear choice for anyone who prioritizes legal protections, state-regulated dispute resolution, and the peace of mind that comes with a licensed operator. betPARX also integrates with the broader Parx Casino loyalty ecosystem, which adds value for bettors who frequent the physical property or play casino games online.
Beyond vig, bettors should weigh several practical factors. BetOnline has a long track record but operates outside U.S. regulatory oversight, meaning payout disputes lack a formal appeals process. Withdrawal speeds at BetOnline vary by method — crypto is fast, while checks can take weeks. betPARX offers reliable banking through standard U.S. payment processors but may impose lower limits on sharp bettors more quickly, as regulated books tend to be more aggressive about profiling winning accounts. Interface-wise, betPARX delivers a cleaner, more modern mobile experience, while BetOnline's platform is functional but dated. The live vig data on this page can reveal which book is offering better value on specific lines — that real-time comparison matters more than brand loyalty.
Vig Comparison by Sport
| Sport | BetOnline.ag | betPARX | Winner |
|---|---|---|---|
| NCAAF | — | — | — |
| AFL | — | — | — |
| MLB | — | — | — |
| MLB Preseason | — | — | — |
| NCAA Baseball | — | 6.06% | — |
| Basketball Euroleague | — | — | — |
| NBA | 4.43% | 5.49% | BetOnline.ag |
| Boxing | 6.02% | 6.14% | BetOnline.ag |
| International Twenty20 | — | — | — |
| IPL | — | — | — |
| One Day Internationals | — | — | — |
| AHL | — | 8.02% | — |
| Liiga | — | 5.05% | — |
| Mestis | — | — | — |
| NHL | 3.41% | 5.12% | BetOnline.ag |
| HockeyAllsvenskan | — | — | — |
| SHL | — | — | — |
| NCAA Lacrosse | — | — | — |
| MMA | 3.79% | 5.11% | BetOnline.ag |
| NRL | — | — | — |
| State of Origin | — | — | — |
| Primera División - Argentina | 4.67% | — | — |
| A-League | 4.81% | 8.28% | BetOnline.ag |
| Austrian Football Bundesliga | — | — | — |
| Belgium First Div | — | 6.60% | — |
| Brazil Série A | 4.79% | 6.56% | BetOnline.ag |
| Brazil Série B | — | 7.08% | — |
| Primera División - Chile | 4.52% | — | — |
| Super League - China | — | — | — |
| Denmark Superliga | 4.37% | 6.51% | BetOnline.ag |
| Championship | 5.30% | 7.11% | BetOnline.ag |
| EFL Cup | 5.11% | 6.63% | BetOnline.ag |
| League 1 | 5.91% | 8.30% | BetOnline.ag |
| League 2 | 6.19% | 8.91% | BetOnline.ag |
| EPL | 4.15% | 5.68% | BetOnline.ag |
| FA Cup | 8.86% | 7.46% | betPARX |
| FIFA World Cup | 4.21% | 7.30% | BetOnline.ag |
| FIFA World Cup Qualifiers - Europe | 5.39% | — | — |
| Coupe de France | — | — | — |
| Ligue 1 - France | 4.28% | 6.45% | BetOnline.ag |
| Ligue 2 - France | 4.34% | 8.92% | BetOnline.ag |
| Bundesliga - Germany | 4.29% | 6.55% | BetOnline.ag |
| Bundesliga 2 - Germany | — | 8.33% | — |
| Frauen-Bundesliga | — | — | — |
| DFB-Pokal | — | — | — |
| 3. Liga - Germany | — | — | — |
| Super League - Greece | — | — | — |
| Serie A - Italy | 4.25% | 6.48% | BetOnline.ag |
| Serie B - Italy | 4.88% | 8.92% | BetOnline.ag |
| J League | — | — | — |
| K League 1 | 5.01% | 10.82% | BetOnline.ag |
| League of Ireland | 4.57% | 8.84% | BetOnline.ag |
| Liga MX | 4.28% | 7.98% | BetOnline.ag |
| Dutch Eredivisie | — | 6.50% | — |
| Eliteserien - Norway | — | — | — |
| Ekstraklasa - Poland | 4.62% | 8.22% | BetOnline.ag |
| Primeira Liga - Portugal | — | 7.91% | — |
| Premier League - Russia | — | — | — |
| Copa del Rey | — | — | — |
| La Liga - Spain | 4.22% | 6.02% | BetOnline.ag |
| La Liga 2 - Spain | 4.02% | 8.63% | BetOnline.ag |
| Premiership - Scotland | — | 7.40% | — |
| Allsvenskan - Sweden | — | 10.82% | — |
| Swiss Superleague | — | 8.95% | — |
| Turkey Super League | 4.51% | 8.34% | BetOnline.ag |
| UEFA Champions League | 4.33% | 5.38% | BetOnline.ag |
| UEFA Europa Conference League | 5.06% | — | — |
| UEFA Europa League | 4.99% | 5.93% | BetOnline.ag |
| MLS | 4.15% | 6.43% | BetOnline.ag |
| ATP Indian Wells | — | 6.18% | — |
| WTA Miami Open | 4.32% | — | — |
Frequently Asked Questions
Is BetOnline.ag or betPARX better for odds?
BetOnline.ag currently offers lower vig overall. BetOnline.ag averages 4.77% vig (B) while betPARX averages 7.25% vig (D).
How does BetOnline.ag compare to betPARX 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.
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.