Overall Comparison
betPARX
Average vig · D
↑ 0.06% up since yesterday
BetUS ✔ Lower Vig
Average vig · C
BetUS wins on 18 of 23 sports. The biggest gap is in Serie A - Italy, where BetUS charges 1.62% less vig.
betPARX and BetUS represent two fundamentally different approaches to sports betting. betPARX operates as a fully regulated U.S. sportsbook, licensed through its parent company's Pennsylvania casino operations and expanding into other legal states. It plays by domestic rules — state oversight, mandatory reporting, and consumer protections baked into its licensing requirements. BetUS, by contrast, is an offshore operator based in Costa Rica, functioning outside U.S. regulatory frameworks. This distinction shapes virtually everything about how the two books operate, from how they handle deposits and withdrawals to how disputes are resolved. BetUS often markets aggressively with large bonus offers, while betPARX tends to compete through its integration with the Parx Casino loyalty ecosystem and state-regulated promotional credits.
A bettor in a state where betPARX is available might prefer it for the regulatory safety net alone — funds are protected, payouts are legally guaranteed, and tax documentation is handled cleanly. betPARX also offers a polished mobile experience tied to a brick-and-mortar brand with decades of operational history. BetUS may appeal to bettors in states without legal options or those seeking higher limits and lines on niche markets that smaller regulated books don't always cover. However, the tradeoff is significant: offshore books have a well-documented history of slow payouts, opaque terms on bonus rollovers, and limited recourse if something goes wrong.
Beyond vig, bettors should weigh payout speed and reliability heavily in this comparison. betPARX processes withdrawals through regulated banking channels, typically within a few business days. BetUS payouts can be unpredictable, sometimes requiring cryptocurrency for faster processing or charging fees on certain withdrawal methods. Interface quality, customer support responsiveness, and the overall trustworthiness of the platform matter as much as the number on the line — a slightly better price means little if collecting winnings becomes an ordeal.
Vig Comparison by Sport
Frequently Asked Questions
Is betPARX or BetUS better for odds?
BetUS currently offers lower vig overall. betPARX averages 7.25% vig (D) while BetUS averages 6.32% vig (C).
How does betPARX compare to BetUS by sport?
We compare both books across 71 sports. The comparison covers vig percentages, grades, and which book offers better odds per sport.
How does BetUS vig compare to other offshore books?
BetUS generally has higher vig than sharp-focused offshore books like Pinnacle, BetOnline, or LowVig.ag. They invest heavily in marketing and promotional bonuses, which results in wider odds margins. They're better suited for casual bettors who value bonuses.
What are BetUS bonus terms like?
BetUS offers generous-sounding welcome bonuses (often 100%+ match) but with significant rollover requirements — typically 10x or more. This means you may need to bet through the bonus amount 10+ times before withdrawing. Read the terms carefully before opting in.
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.