Overall Comparison
betPARX ✔ Lower Vig
Average vig · D
↑ 0.06% up since yesterday
Fliff
Average vig · D-
↑ 0.08% up since yesterday
betPARX wins on 19 of 19 sports. The biggest gap is in UEFA Champions League, where betPARX charges 4.49% less vig.
betPARX and Fliff represent two distinctly different approaches to sports betting in the regulated U.S. market. betPARX is a traditional licensed sportsbook born out of Parx Casino, one of the largest gaming properties in the Northeast, and it operates with the infrastructure and regulatory framework of a full-scale casino operator. Fliff, by contrast, entered the market through a social sportsbook model that uses a sweepstakes-based currency system, allowing it to operate in a broader range of states than most traditional books. This fundamental difference in business model shapes everything from their odds pricing to their target demographics — betPARX aims at experienced bettors comfortable with a conventional sportsbook experience, while Fliff tends to attract casual and newer bettors drawn to its accessible, app-first design and lower barriers to entry.
A bettor who values deep integration with a brick-and-mortar casino ecosystem, established deposit and withdrawal methods, and a more conventional wagering experience will likely gravitate toward betPARX. Its odds tend to reflect a traditional book's vig structure, and its promotional offers often tie back to the broader Parx Casino loyalty program. Fliff, on the other hand, may appeal to bettors in states where traditional sportsbooks haven't yet launched or to those who prefer a gamified, mobile-native interface. Its sweepstakes model can also mean a different pricing dynamic on certain lines, making it worth cross-referencing against more established books.
Beyond vig, bettors should weigh several practical factors. betPARX offers more reliable payout infrastructure tied to its casino banking systems, but its geographic availability is more limited. Fliff's broader state access is a significant advantage, though its withdrawal process and customer support may not match the polish of a legacy operator. Betting limits also diverge — betPARX generally accommodates larger wagers, while Fliff's structure is better suited to smaller-stakes action. The live vig data on this page provides a real-time look at where each book is offering sharper prices on specific markets, which is ultimately the most actionable factor for line shoppers.
Vig Comparison by Sport
Frequently Asked Questions
Is betPARX or Fliff better for odds?
betPARX currently offers lower vig overall. betPARX averages 7.25% vig (D) while Fliff averages 9.28% vig (D-).
How does betPARX compare to Fliff by sport?
We compare both books across 71 sports. The comparison covers vig percentages, grades, and which book offers better odds per sport.
Does betPARX beat the other book in every sport?
Yes — betPARX has lower vig across all 19 sports we track. While it wins overall, the margin varies by sport, so it's worth checking specific sports for the full picture.
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.