Best Sports Betting Bookmakers Compared
We track odds across 9 major bookmakers. Here's an honest comparison of each — odds quality, market coverage, bonuses, and key features.
Quick Comparison
| Bookmaker | Rating | Best For | Odds Format | Welcome Bonus |
|---|---|---|---|---|
| DraftKings | ★★★★½4.6/5 | Industry-leading DFS integration | American | $200 in bonus bets + daily free pools |
| FanDuel | ★★★★½4.5/5 | Best same-game parlay builder | American | No-sweat first bet up to $1,000 |
| BetMGM | ★★★★4.4/5 | MGM Resorts loyalty integration | American | Up to $1,500 in bonus bets |
| Bet365 | ★★★★½4.7/5 | Best in-play betting globally | Fractional/Decimal | Bet $10 get $30 in free bets |
| William Hill | ★★★★4.3/5 | One of the oldest bookmakers | Fractional | $150 in bonus bets |
| Pinnacle | ★★★★½4.8/5 | Sharpest odds in the industry | Decimal/American | No traditional bonus — value is in the odds |
| Unibet | ★★★★4.2/5 | Strong European sports coverage | Decimal | $500 risk-free first bet |
| Caesars | ★★★★4.1/5 | Caesars Rewards integration | American | $1,000 first bet on Caesars |
| BetRivers | ★★★★4/5 | Good loyalty program (iRush Rewards) | American | $500 2nd chance bet |
DraftKings ★★★★ 4.6/5
✅ Strengths
- Industry-leading DFS integration
- Wide range of prop bets
- Excellent mobile app
- Competitive NFL/NBA odds
⚠️ Weaknesses
- Soccer odds less competitive
- Withdrawal processing can be slow
Founded: 2012 · Markets: 50+ sports · Jurisdictions: US (most states), Canada, UK, Ireland
Welcome bonus: $200 in bonus bets + daily free pools
FanDuel ★★★★ 4.5/5
✅ Strengths
- Best same-game parlay builder
- Competitive moneyline odds
- No-sweat first bet promo
- Strong in-play betting
⚠️ Weaknesses
- Fewer international markets
- Customer support can be slow
Founded: 2009 · Markets: 40+ sports · Jurisdictions: US (most states), Canada
Welcome bonus: No-sweat first bet up to $1,000
BetMGM ★★★★ 4.4/5
✅ Strengths
- MGM Resorts loyalty integration
- Competitive NBA/NHL odds
- Great prop betting selection
- Excellent promotions
⚠️ Weaknesses
- App can lag during peak times
- Odds slightly less sharp than Pinnacle
Founded: 2018 · Markets: 35+ sports · Jurisdictions: US (most states), Ontario
Welcome bonus: Up to $1,500 in bonus bets
Bet365 ★★★★ 4.7/5
✅ Strengths
- Best in-play betting globally
- Most comprehensive market coverage
- Excellent soccer/tennis odds
- Live streaming included
⚠️ Weaknesses
- Not available in all US states
- Interface can feel overwhelming
Founded: 2000 · Markets: 70+ sports · Jurisdictions: UK, EU, Australia, Canada (select US states)
Welcome bonus: Bet $10 get $30 in free bets
William Hill ★★★★ 4.3/5
✅ Strengths
- One of the oldest bookmakers
- Strong UK horse racing odds
- Reliable payouts
- Shop-to-online integration
⚠️ Weaknesses
- US presence limited
- Promos less aggressive than competitors
Founded: 1934 · Markets: 40+ sports · Jurisdictions: UK, US (select states), Spain, Italy
Welcome bonus: $150 in bonus bets
Pinnacle ★★★★ 4.8/5
✅ Strengths
- Sharpest odds in the industry
- Highest betting limits
- Lowest margins (1-2%)
- Welcome to winners policy
⚠️ Weaknesses
- No welcome bonuses
- No live streaming
- Limited prop markets
Founded: 1998 · Markets: 30+ sports · Jurisdictions: International (not US-licensed)
Welcome bonus: No traditional bonus — value is in the odds
Unibet ★★★★ 4.2/5
✅ Strengths
- Strong European sports coverage
- Good horse racing odds
- Kindred Group backing
- Community features
⚠️ Weaknesses
- Odds not as sharp as Pinnacle
- Fewer US-centric markets
Founded: 1997 · Markets: 35+ sports · Jurisdictions: EU, Australia, US (select states)
Welcome bonus: $500 risk-free first bet
Caesars ★★★★ 4.1/5
✅ Strengths
- Caesars Rewards integration
- Competitive NFL/college odds
- Retail sportsbook presence
- Straightforward interface
⚠️ Weaknesses
- Smaller market selection
- Fewer props and same-game parlays
- App needs polish
Founded: 2021 · Markets: 25+ sports · Jurisdictions: US (select states)
Welcome bonus: $1,000 first bet on Caesars
BetRivers ★★★★ 4/5
✅ Strengths
- Good loyalty program (iRush Rewards)
- Competitive NHL/baseball odds
- Fast withdrawal processing
- Simple, clean interface
⚠️ Weaknesses
- Smaller promotional budget
- Fewer exotic markets
- Less brand recognition
Founded: 2019 · Markets: 25+ sports · Jurisdictions: US (15+ states), Ontario
Welcome bonus: $500 2nd chance bet
How We Compare Bookmakers
OddsFetcher tracks real-time odds across all 9 bookmakers listed above. Our comparison is based on:
- Odds quality — lower margins mean better value for bettors. Pinnacle leads with 1-2% margins; most US books run 4-6%.
- Market coverage — the number of sports, leagues, and bet types available.
- Arbitrage frequency — how often each bookmaker's odds create sure bet opportunities when combined with others.
- In-play experience — live betting interface, cash-out options, and streaming availability.
- Reliability — payout speed, customer support, and regulatory standing.
Why Odds Comparison Matters
Even small differences in odds compound over time. A bettor who consistently gets 2.10 instead of 2.00 on even-money propositions gains a 5% edge — the difference between losing and winning long-term. Our free arbitrage scanner shows exactly where different bookmakers disagree, creating guaranteed profit opportunities.
Use the arbitrage scanner to find live opportunities, or check the value bets page for odds that exceed consensus probability.
Frequently Asked Questions
Can I use multiple bookmakers at once?
Yes! Arbitrage betting requires accounts at multiple bookmakers. Having accounts at all 9 books we track maximizes your opportunity to find sure bets.
Which bookmaker has the best odds?
Pinnacle consistently offers the sharpest odds with the lowest margins (1-2%). For US sports, DraftKings and FanDuel are competitive. Our value bets tool shows real-time overvalued odds across all bookmakers.
Are these bookmakers safe and licensed?
All bookmakers listed are licensed in their respective jurisdictions. Always verify that a bookmaker is licensed in your state or country before depositing.