Sports Betting Odds — United States
Compare odds from the best bookmakers available in United States. 208 upcoming events across all sports.
We compare odds from 20 bookmakers in United States
Get these odds overlaid directly on Betr, BetRivers, Caesars, and more.
Sportsbook Bonuses in United States
OddsGuard tracks the latest sportsbook promotions available in United States. Click any offer to claim it — all links are verified daily.
Win Your Share of $50k in Bonus Bets on the Rome Tennis Leaderboard
Opt in via the Promotions tab, then place winning real-money wagers of at least $10 at minimum -300 odds on any Tennis matches for the Rome tournament to earn Leaderboard Points.
Bet $10, Get $150 in Bonus Bets If Your Bet Wins
Sign up for a new BetMGM Sportsbook account, deposit at least $10, and place a first bet of at least $10 on any sport using the Bet & Get If You Win token. If the bet wins, receive $150 in Bonus Bets.
Win a Share of $10,000 in Bonus Bets Daily
Opt in during a Promotional Week, then place a pre-game straight bet of at least $10 on any NHL Player to Score an Anytime Goal at minimum odds of -300. Only the first eligible wager per game per day qualifies.
Bet $1, Get 10 x 100% Profit Boosts + 10X Tier Credit Multiplier
Open a new Caesars Sportsbook account using an eligible promo code and place your first real cash wager of $1 or more on any market at minimum odds of -10000 or longer.
Bet $1, Get 10 x 100% Profit Boosts + 10X Tier Credit Multiplier
Open a new Caesars Sportsbook account using an eligible promo code and place your first real cash wager of $1 or more at minimum odds of -10000 or longer. The first wager must qualify; subsequent wagers do not count.
Get Up to $250 Back in Bonus Bets If Your First Bet Loses
Sign up for a new BetMGM Sportsbook account, deposit at least $10, and place your first real money sports wager. If the first bet loses, receive up to $250 back in Bonus Bets.
T&Cs apply. Play responsibly. Offers subject to change.
OddsGuard delivers comprehensive odds comparison across America's most popular sports, helping bettors in the United States find the best value from dozens of licensed sportsbooks. Whether you're tracking NFL point spreads, NBA totals, MLB moneylines, or college basketball March Madness futures, our platform aggregates real-time sports betting odds United States markets to ensure you never miss favorable lines.
The American sports betting landscape has transformed dramatically since PASPA's repeal in 2018, with over 30 states now offering legal wagering. Football dominates the betting calendar from September through February, while basketball, baseball, and hockey create year-round opportunities. Each state maintains its own regulatory framework, from New Jersey's competitive market with 20+ operators to more restrictive environments, making odds comparison essential for maximizing your betting potential.
Savings Badges
Green badges show you exactly how much more you'd win at a better-priced book. Every bet, every market, updated in real time across 75 sportsbooks.
OddsGuard overlay — badges appear automatically on your sportsbook
Browse by Sport
American Football
10 leagues available
Basketball
50 leagues available
Soccer
188 leagues available
Tennis
168 leagues available
Baseball
10 leagues available
Golf
113 leagues available
MMA
12 leagues available
Boxing
1 league available
Aussie Rules
3 leagues available
Cricket
66 leagues available
Ice Hockey
30 leagues available
Lacrosse
2 leagues available

Politics
1 league available
Rugby League
4 leagues available
Rugby Union
11 leagues available
Handball
26 leagues available
Disc Golf
10 leagues available
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What is OddsGuard?
OddsGuard is a free browser extension that overlays real-time odds from 75 sportsbooks directly on the betting site you're already using. No extra tabs, no subscription, no account required.
How it works
- 1Install the free extension (10 seconds)
- 2Open any supported sportsbook (DraftKings, Bet365, FanDuel, etc.)
- 3See better prices highlighted automatically on every bet
OddsGuard overlay — badges appear automatically on your sportsbook
How to Compare Sports Betting Odds in United States
Odds comparison United States involves analyzing the same betting market across multiple licensed sportsbooks to identify the most favorable prices. When DraftKings offers the Chiefs at -3.5 while FanDuel has them at -3, that half-point difference can determine whether your bet wins or loses. Smart bettors understand that line shopping isn't just about finding better numbers—it's about building a sustainable edge over time.
Even seemingly minor odds variations compound significantly over hundreds of bets. A bettor who consistently finds lines 5% better than average can turn a break-even record into profitable long-term results. In America's competitive sportsbook environment, operators often shade lines differently based on their customer base and risk management strategies, creating regular arbitrage opportunities for diligent comparison shoppers.
OddsGuard streamlines this process by displaying best betting odds United States across major operators in real-time. Our platform tracks line movements, highlights value opportunities, and ensures you're always betting with the most favorable numbers available in your state's legal market.
Which states have the most competitive odds?
New Jersey, Pennsylvania, and Illinois typically offer the most competitive markets due to their high operator counts and mature regulatory frameworks, though odds quality varies more by specific sportsbook than by state.
How quickly do odds change in US markets?
Major market odds can shift within seconds during breaking news or heavy betting action, particularly for NFL and NBA games, making real-time comparison tools essential for serious bettors.
Are offshore sportsbooks legal alternatives for odds comparison?
While offshore sites may offer different odds, they operate in legal gray areas and lack the consumer protections of state-licensed operators, making regulated domestic options the safer choice for most bettors.
Frequently Asked Questions
Stop Leaving Money on the Table
Same Bets. Better Prices. Found Instantly.
The same 4-leg parlay can pay $10,000s more at a different sportsbook. OddsGuard finds the best price across 75 books in real time — replacing tools that charge $200–$600/month.
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