Mr. Quackington · sports duck
Sports Betting
Sportsbooks compared on odds, markets, live betting and cash-out, so you can focus on the game.
Our top Sports picks
#1
FanDuel Sportsbook America's most popular sportsbook app, with the best same-game parlay builder
Bet $5 a day for 5 days, get $250 in bonus bets
9.2 Read review
Visit FanDuel Sportsbook #2
bet365 Sportsbook The world's biggest online sportsbook, unmatched for live betting and soccer
Bet $10, get $200 in bonus bets (US, most states)
9.0 Read review
Visit bet365 Sportsbook #3
DraftKings Sportsbook Massive market menu, great props and the widest US footprint
Bet $5, get $150 in bonus bets (most states)
9.0 Read review
Visit DraftKings Sportsbook #4
BetMGM Sportsbook Big first-bet safety net and MGM Rewards points on every wager
First bet offer: up to $1,500 back in bonus bets if it loses
8.7 Read review
Visit BetMGM Sportsbook Free tools · Odds converter · Bet calculator · Parlay calculator · Round robin calculator · Hedge calculator · Arbitrage calculator · Middle calculator · Free bet calculator · Matched betting calculator · No-vig calculator · Overround calculator · Kelly calculator · Closing line value calculator · Each-way calculator · Tennis probability calculator · Sports betting tax calculator · Teaser calculator · Expected value calculator · Dutching calculator · Lay bet calculator · Profit boost calculator · Correct score calculator
Open the tools → The betting toolkit
Convert any odds, price up any bet, lock in a profit and check whether a line is fair.
All Sports reviews
10 sites · A–Z bet365 Sportsbook 9.0 BetMGM Sportsbook 8.7 Betway Sportsbook 8.4 Caesars Sportsbook 8.4 DraftKings Sportsbook 9.0 Fanatics Sportsbook 8.5 FanDuel Sportsbook 9.2 Pinnacle 8.4 Unibet 8.4 William Hill 8.1
Compare all Sports sites → How we rate Sports
1
Odds value
Margins on major markets compared with other books.
2
Markets & live
Depth of markets, in-play coverage and cash-out.
3
Our full methodology → Payouts
Stated withdrawal times, limits and fees.
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Sports guides
Evergreen explainers, kept up to date as rules and products change.
01 / 10
01 Asian Handicap Explained: Whole, Half and Quarter Lines No draw, smaller margins and some confusing quarter lines. A step-by-step guide to soccer's favourite market for serious bettors. 2 min read · Updated 10 Oct 02 Bankroll Management for Sports Betting The most important betting skill isn't picking winners. It's deciding how much to risk — and sticking to it. 2 min read · Updated 10 Oct 03 Cash Out Explained: When to Use It (and When Not To) Your parlay is one leg away and the app offers $180 now. Take it or ride it? Here's how cash out really works. 2 min read · Updated 10 Oct 04 Free Bets and Odds Boosts: How to Read the Terms $250 in bonus bets is not $250. Here's what sportsbook promos are actually worth — and the terms that matter. 2 min read · Updated 10 Oct 05 How Betting Odds Work: Decimal, Fractional and American Odds Explained Plus signs, minus signs, fractions and decimals — they all say the same two things: how likely, and how much. 2 min read · Updated 10 Oct 06 Live Betting Explained: How In-Play Betting Works Odds that change every second, markets that open and close on every play. Here's how live betting works — and how not to get swept along. 2 min read · Updated 10 Oct 07 Moneyline, Spread and Totals Explained The three bets that make up most of the sportsbook menu — and how to choose between them. 2 min read · Updated 10 Oct 08 Same Game Parlays: How They Work and Why They're Priced Differently A quarterback over yards, his receiver to score and the over — all in one ticket. Here's how same game parlays really work. 2 min read · Updated 10 Oct 09 Implied Probability and Value Betting: How to Find an Edge Winning bettors don't pick more winners — they get better prices. Here's what value means and how to look for it. 2 min read · Updated 10 Oct 10 What Is a Parlay? Parlays and Accumulators Explained Small stake, big payout, every leg must win. Here's how parlays work — and why they're the sportsbooks' favourite bet. 2 min read · Updated 10 Oct
Sports news & blog
News19 Oct FanDuel Publishes Betting Data as VIP Programs Face Scrutiny A median bet of about $5 sounds modest. It says little about what the heaviest-betting customers spend.
News19 Oct NBA Tightens Player Prop Betting Rules Ahead of New Season Some player props and same-game parlay combinations are being removed. It is not a blanket ban. News13 Oct College Athletes Are Becoming Targets of Angry Bettors When a bet is tied to one player's stats, a missed free throw can become a personal attack. The NCAA's own surveys show how common that has become. News13 Oct Peru Bill Would Raise the Tax on Every Online Bet From 1% to 5% A tax on stakes, not profits, hits harder than the headline rate suggests — especially when the same money is bet again and again. View all Sports articles →
Guide · 21 Oct Gambling Winnings Tax Calculator Enter a year of winnings and losses, pick your tax bracket and see what you owe, and why a break-even year can still cost you. Guide · 10 Oct Bankroll Basics for Every Kind of Player One budget, many games. Miss Quackles' rules for keeping gambling a hobby. News · 10 Oct Gambling Advertising Rules: What's Changing Fewer push notifications, no AI-tailored bonuses, stricter wording. The rules around gambling ads are changing fast.