Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| 1st 5 Innings O/U 2.5 | 80% |
| 1st 5 Innings O/U 3.5 | 71% |
| 1st 5 Innings O/U 4.5 | 65% |
| O/U 9.5 | 62% |
| 1st 5 Innings O/U 5.5 | 59% |
| 1st 5 Innings O/U 6.5 | 55% |
| O/U 8.5 | 51% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| Extra Innings | 50% |
| Spread -1.5 | 47% |
| Kansas City Royals vs. Colorado Rockies | 34% |
| Spread -2.5 | 34% |
| O/U 10.5 | 34% |
| Spread -1.5 | 26% |
| O/U 11.5 | 26% |
| O/U 12.5 | 21% |
| Spread -2.5 | 18% |
Market context
Kansas City and Colorado meet with the market leaning towards a Royals win, even though the crowd-implied probability sits at just 34% YES. That is broadly consistent with a game between two sub-.500 sides, but Kansas City arrives with the better recent form: ESPN lists the Royals at 6-4 over their last 10, with a 2.71 team ERA in that span, while Colorado is 3-7 and has been outscored by 19 runs over the same stretch.[6] The season records also favour Kansas City slightly, with the Royals at 46-64 and the Rockies at 42-67 before this series.[6][9]
Comparable meetings have tended to track the team with the steadier pitching profile. Last season’s match-up at Kansas City saw the Royals win consecutive games, including a 6-2 victory and a 4-3 extra-innings result, while Colorado’s road form was already weak in those previews.[14][15] More recently, ESPN’s preview pointed to Kansas City’s stronger on-base rate and lower run prevention, with the Royals’ staff at 4.38 ERA and Colorado’s last-10 pitching line at 6.48 ERA, a useful frame for reading a market that is pricing in a fairly open contest rather than a strong favourite.[1][6]
For traders, the main catalysts are the confirmed line-ups, starting pitchers, and any late injury or rest news. ESPN’s pregame page lists Kansas City with Hunter Harvey, Sam Long, Kyle Wright, James McArthur and Alec Marsh among the notable absences from earlier in the season, while Colorado’s injury list has included Victor Vodnik, Austin Gomber, Ezequiel Tovar, Tyler Freeman, Kris Bryant, Jeff Criswell and Thairo Estrada.[11] Any change to bullpen availability after the first game of the series, or a late scratch to a regular such as Salvador Pérez or Hunter Goodman, would be material because both teams have been relying heavily on recent offensive stretches from key bats.[6]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $213K.
Methodology
Sports-specific comparison page for Kansas City Royals vs. Colorado Rockies. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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