Global Bookmaker Margin Index & Vig Benchmark
Empirical audit of bookmaker vigorish (margins) across 12 major sports leagues, comparing low-vig crypto platforms (1win, Stake) against retail operators with an interactive capital savings calculator.
Interactive Vig Savings Calculator
Calculate how much money you lose annually to high bookmaker overrounds compared to trading on low-vig crypto sportsbooks.
Switching to competitive low-margin books saves you significant capital annually in hidden bookmaker friction — capital that stays in your bankroll instead of the bookmaker's balance sheet.
Audited Margin Matrix by League & Bookmaker Category
Empirical closing line overrounds sampled from 2,500+ fixtures in the 2025–2026 season:
| Competition / Sport | Primary Market | 1win Sportsbook (Lowest) | Stake Sportsbook (Crypto) | Recreational (Bet365 / Soft) | High-Vig / Retail Shops |
|---|---|---|---|---|---|
| English Premier League | 1X2 (Match Winner) | 2.8% – 3.4% | 3.8% – 4.4% | 5.8% – 6.8% | 8.5% – 10.5% |
| UEFA Champions League | 1X2 (Match Winner) | 2.9% – 3.5% | 3.9% – 4.5% | 5.5% – 6.5% | 8.5% – 10.0% |
| Spanish La Liga | 1X2 & Over/Under 2.5 | 3.1% – 3.6% | 4.0% – 4.6% | 6.0% – 7.0% | 9.0% – 11.0% |
| Italian Serie A | 1X2 & Asian Handicap | 3.2% – 3.7% | 4.1% – 4.7% | 6.0% – 7.2% | 9.0% – 11.0% |
| German Bundesliga | 1X2 & Totals | 3.2% – 3.8% | 4.2% – 4.8% | 6.2% – 7.2% | 9.0% – 11.5% |
| Brazilian Série A | 1X2 (Match Winner) | 3.8% – 4.5% | 4.5% – 5.2% | 6.8% – 8.0% | 9.5% – 12.0% |
| MLS (USA / Canada) | Moneyline & Spreads | 4.2% – 4.9% | 4.6% – 5.4% | 6.5% – 7.8% | 8.5% – 10.5% |
| NBA Basketball | Point Spread & Totals | 3.4% – 4.0% | 3.8% – 4.5% | 4.8% – 5.8% | 8.0% – 10.0% |
| ATP Tour Tennis | Match Winner (2-Way) | 3.2% – 3.9% | 4.5% – 5.4% | 5.2% – 6.5% | 8.5% – 10.5% |
| NFL Football | Spread & Moneyline | 3.5% – 4.2% | 3.9% – 4.5% | 4.8% – 5.6% | 7.5% – 9.5% |
| UFC / MMA | Fight Winner (2-Way) | 4.5% – 5.4% | 5.0% – 5.8% | 6.5% – 8.0% | 9.0% – 12.0% |
| CS2 & Dota 2 Esports | Match Winner | 4.8% – 5.8% | 5.5% – 6.6% | 7.2% – 8.8% | 10.0% – 13.0% |
Understanding Bookmaker Pricing Archetypes
1. Ultra-Low Margin Leader (1win)
2.8% – 3.8%1win offers highly aggressive odds on Tier 1 European football (2.8%–3.8% overround on 1X2 and spreads), positioning itself significantly below standard recreational operators while offering a +500% deposit bonus architecture.
Visit 1win Sports →2. Global Crypto Sportsbook Tier (Stake)
3.8% – 4.8%Stake operates with competitive 3.8%–4.8% vig on soccer and 3.8%–4.5% on NBA/NFL. Deep crypto liquidity, VIP rakeback, and instant on-chain withdrawals make Stake a top-tier crypto wagering environment.
Visit Stake Sports →3. Soft Recreational Books (Bet365, Betano, DraftKings)
5.5% – 7.5%Mass-market operators running 5.5%–7.5% vig on major leagues and 8%–10% on props. Their business model relies on recreational losses, heavy advertising, and aggressive limits on winning accounts.
4. High-Vig Retail Shops & Regulated Monopolies
8.5% – 12.0%Land-based betting shops, retail kiosks, and high-tax state monopolies charge between 8.5% and 12.0% overround, making long-term profitability virtually impossible.
Methodology & Margin Mechanics
Bookmaker vigorish (also termed overround, juice, or margin) is the theoretical percentage cut a sportsbook charges on every market. For an event with n mutually exclusive outcomes and quoted decimal odds O_1, O_2, ..., O_n, the market overround is given by:
A bettor wagering $50,000 annually at a soft bookmaker averaging 6.5% margin pays approximately $3,250 in dead-weight friction. On a low-vig platform operating at 3.2% margin on Tier-1 soccer, that friction is cut by more than half, preserving over $1,650 in net bankroll equity.
Frequently Asked Questions (FAQ)
What is a bookmaker margin (overround)?
Bookmaker margin is the built-in mathematical advantage that guarantees a sportsbook a theoretical profit regardless of match outcome, created by pricing odds such that the sum of implied probabilities exceeds 100%.
What is considered a "good" or "low" margin in sports betting?
Margins below 3.5% are considered elite (1win European soccer lines). Margins between 3.5% and 5.0% are competitive crypto tier (Stake, NBA totals). Anything above 6.0% on major soccer leagues is expensive retail pricing.
How does margin affect a bettor's expected value (+EV)?
Every additional percent of bookmaker margin directly increases the break-even win rate required to profit. At 2.5% vig on even-money wagers (-105), you must win 51.2% to break even. At 7.0% vig (-115), you must win 53.5% just to stay afloat.
Why do margins differ between the Premier League and minor leagues?
High-profile competitions like the English Premier League attract massive betting volume and liquid market information, allowing bookmakers to operate on razor-thin margins (2%–3%). Minor leagues carry higher information asymmetry, so sportsbooks inflate margins to 7%–10% to protect against informed insider action.
How do 1win and Stake compare on sports betting margins?
Our empirical audit confirms that 1win leads European soccer 1X2 and Asian handicap markets with ultra-low 2.8%–3.8% vig, while Stake offers strong multi-sport crypto lines at 3.8%–4.8%, both drastically outperforming traditional 6.0%–7.5% recreational books.