Compare odds across every sportsbook and prediction market.
Find the best number in seconds — sportsbook lines and prediction-market prices side by side, on one probability scale, so you always back the best value.
No account required · Best price highlighted on every side · Sportsbooks & prediction markets in one place
Compare every book
Moneyline, spread, and totals from the major sportsbooks in one view — the best price on each side is highlighted.
Read the markets
The same event priced across Polymarket, Kalshi, and more, normalised to implied probability.
Spot the edge
When sportsbook odds and prediction-market prices disagree, we flag the gap so you can dig in.
Calculators built for line shoppers
No signup, no tracking — convert odds, price a parlay, and strip the vig out of any line right in your browser.
Featured games
Upcoming matchups with the best available price on each side.
Los Angeles Dodgers @ Atlanta Braves
- Los Angeles Dodgers
- -132 shortened
- Atlanta Braves
- +118 lengthened
Best of 12 books Compare odds →
Jon Jones @ Tom Aspinall
- Jon Jones
- +143 lengthened
- Tom Aspinall
- -161 shortened
Best of 12 books Compare odds →
Kansas City Chiefs @ Buffalo Bills
- Kansas City Chiefs
- +138 lengthened
- Buffalo Bills
- -156 shortened
Best of 12 books Compare odds →
Georgia Bulldogs @ Alabama Crimson Tide
- Georgia Bulldogs
- +122 lengthened
- Alabama Crimson Tide
- -139 shortened
Best of 12 books Compare odds →
Colorado Avalanche @ Vegas Golden Knights
- Colorado Avalanche
- -113 shortened
- Vegas Golden Knights
- -103 lengthened
Best of 12 books Compare odds →
Boston Celtics @ Denver Nuggets
- Boston Celtics
- -108 shortened
- Denver Nuggets
- -107 lengthened
Best of 12 books Compare odds →
Trending prediction markets
The most-traded questions across Polymarket, Kalshi, and more — with live prices and volume.
Bitcoin above $150K in 2026
Republicans win 2026 House majority
Super Bowl LXI winner
Fed cuts rates at July 2026 meeting
2026 FIFA World Cup winner
Fed funds rate below 4% by end of 2026
Best value right now
Spots where one platform is sitting noticeably ahead of the rest — the bigger the edge, the more a single book or market disagrees with consensus.
Kansas City Chiefs @ Buffalo Bills
Best on Buffalo Bills
-156
at Hard Rock Bet
Field avg -160
San Francisco 49ers @ Dallas Cowboys
Best on Dallas Cowboys
+113
at Hard Rock Bet
Field avg +110
Philadelphia Eagles @ Detroit Lions
Best on Detroit Lions
-122
at Hard Rock Bet
Field avg -125
Republicans win 2026 House majority
Best on No
40¢
at Kalshi
Consensus 42¢
Government shutdown before October 2026
Best on No
67¢
at Polymarket
Consensus 69¢
Fed cuts rates at July 2026 meeting
Best on No
29¢
at Kalshi
Consensus 31¢
Biggest line movements
Where the consensus moneyline has moved most since open.
-
Jon Jones @ Tom Aspinall
UFC/MMA · Jon Jones
+120 → +140 lengthened 3.8 -
Islam Makhachev @ Ilia Topuria
UFC/MMA · Ilia Topuria
+115 → +100 shortened 3.5 -
San Francisco 49ers @ Dallas Cowboys
NFL · Dallas Cowboys
+124 → +110 shortened 3.0 -
Kansas City Chiefs @ Buffalo Bills
NFL · Kansas City Chiefs
+120 → +135 lengthened 2.9
Biggest price swings
Contracts whose price has moved most over recent weeks.
-
Fed cuts rates at July 2026 meeting
Economics · Yes
45¢ → 72¢ lengthened 27.0 -
Spot Solana ETF approved in 2026
Crypto · Yes
50¢ → 71¢ lengthened 21.0 -
Fed funds rate below 4% by end of 2026
Economics · Yes
40¢ → 55¢ lengthened 15.0 -
Government shutdown before October 2026
Politics · Yes
22¢ → 33¢ lengthened 11.0
Super Bowl LXI winner
Compare de-vigged sportsbook odds with prediction-market prices on one scale.
Sportsbook promo comparison
New-customer offers across the major books. Illustrative — confirm current terms on the operator's site before signing up.
Bet $5, get $200 in bonus bets
Place a qualifying $5+ wager and receive $200 in bonus bets regardless of whether it wins or loses. The bonus bets are issued as site credit you can split across multiple wagers, and only the winnings are withdrawable.
21+. New customers only. Bonus bets are non-withdrawable and expire 7 days after issue.
View offerBet $5, get $150 in bonus bets
A qualifying $5 first bet returns $150 in bonus bets if it wins. The reward is credited as bonus bets rather than cash, so you stake them on further wagers and keep any profit.
21+. New customers only. Minimum odds may apply; bonus stake not returned with winnings.
View offerFirst bet offer up to $1,500
If your first wager loses, BetMGM refunds the stake in bonus bets up to $1,500. A loss of $50 or less is returned as a single bonus bet; larger losses are split into five equal bonus bets.
21+. New customers only. Refund issued as bonus bets that expire within 7 days.
View offerFirst bet up to $1,000 on Caesars
A losing opening wager is refunded in bonus bets up to $1,000, giving you a second chance on your first bet. The refund lands as a single bonus bet matching your original stake.
21+. New customers only. Bonus bet expires 14 days after it is credited.
View offer100% deposit match up to $500
Your first deposit is matched dollar for dollar in bonus bets, up to $500. Unlike a fixed bonus-bet drop, the match scales with what you deposit, and a light playthrough unlocks the reward.
21+. New customers only. 1x playthrough required before bonus funds convert.
View offerNo-sweat first bet up to $1,000
If your first wager loses, Fanatics refunds the stake in bonus bets up to $1,000, and every bet you place earns FanCash redeemable for merch. The aggressive offer is part of its push to gain market share.
21+. New customers only. Refund issued as bonus bets that expire 7 days after credit.
View offerBet $20, get $100 in bonus bets
Place a qualifying $20 wager and receive $100 in bonus bets win or lose, with Hard Rock Rewards points accruing alongside. The bonus bets are released to your account to stake across the markets Hard Rock Bet prices.
21+. New customers only. Bonus bets are non-withdrawable and expire 7 days after issue.
View offerFirst bet up to $500 back in bonus bets
If your first wager loses, SuperBook refunds the stake in bonus bets up to $500, giving you a second chance on your opening bet. The refund lands as bonus bets you can stake across its Vegas-style markets.
21+. New customers only. Refund issued as bonus bets that expire 7 days after credit.
View offer100% deposit match up to $250
Bally Bet matches your first deposit dollar for dollar in bonus bets, up to $250, with Bally Rewards points earned alongside. The match scales with what you fund, and a light playthrough unlocks the reward.
21+. New customers only. 1x playthrough required before bonus funds convert.
View offerIs sports betting legal in your state?
Online betting is regulated state by state. Jump to your state to see whether it's live, which sportsbooks are available, and the minimum age.
Prediction market platforms
Polymarket vs. Kalshi vs. others — funding, fees, and availability at a glance.
| Platform | Funding | Fees | Min deposit | Availability |
|---|---|---|---|---|
| Polymarket Deepest liquidity on news and crypto markets. | USDC (crypto) | No trading fee; on-chain gas | ~$1 | Global, excl. US persons |
| Kalshi Regulated US access with no crypto required. | USD (bank/card) | Per-contract trading fee | None | US, CFTC-regulated |
| PredictIt Long-running political markets, position caps apply. | USD (bank/card) | 5% on profits, 5% withdrawal | None | US, politics only |
| Manifold Markets Play-money signal across a huge breadth of questions. | Play money (mana) | None | Free | Global |
Guides to bet & trade smarter
Plain-English explainers on reading odds, point spreads, prediction markets, and getting the most from sportsbook bonuses.
How to Read Betting Odds: American, Decimal & Implied Probability
A plain-English guide to reading American, decimal, and fractional odds, converting them to implied probability, and using the numbers to find value.
6 min read Sports bettingWhat Is a Point Spread? Spreads, Totals & the Hook Explained
Understand point spreads, how to read the line, what “the hook” means, and how spreads, moneylines, and totals relate — with clear examples.
5 min read Prediction marketsHow Prediction Markets Work: Contracts, Prices & Probability
How prediction markets like Polymarket and Kalshi turn real-world questions into tradeable contracts priced between 0 and 1 — and how to read them.
6 min read Prediction marketsPolymarket Beginner’s Guide: Funding, Trading & Risks
A beginner’s walkthrough of Polymarket — how it works, funding with USDC, placing your first trade, and the key risks and access rules to know.
5 min readGet odds & market alerts
Big line moves, value spots, and cross-market edges — delivered when they happen. No spam, unsubscribe anytime.