Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
71% | 29% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
71% | 29% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 71% |
| O/U 6.5 | 62% |
| 1st 5 Innings O/U 3.5 | 55% |
| Spread -1.5 | 53% |
| O/U 7.5 | 48% |
| NRFI | 45% |
| 1st 5 Innings Spread -1.5 | 44% |
| 1st 5 Innings O/U 4.5 | 41% |
| Spread -2.5 | 41% |
| O/U 8.5 | 41% |
| Kansas City Royals vs. Detroit Tigers | 30% |
| 1st 5 Innings O/U 5.5 | 30% |
| 1st 5 Innings O/U 6.5 | 21% |
| Spread -1.5 | 20% |
| Spread -2.5 | 12% |
| 1st 5 Innings Spread -1.5 | 11% |
| Extra Innings | 9% |
Market context
The Kansas City Royals face the Detroit Tigers on 24 July at 6:40 PM ET in a regular-season matchup with settlement occurring by 31 July. The current prediction-market probability of 30 per cent for a Royals victory sits notably below typical sportsbook opening lines for this fixture, which have historically favoured Kansas City in comparable matchups this season. This divergence suggests either that prediction-market participants are pricing in specific information unavailable at sportsbook opening, or that the market is undervaluing the Royals relative to conventional odds. Historical performance between these teams in 2024 provides context: Kansas City has maintained a stronger win percentage against Detroit than against the broader AL Central, whilst Detroit's record against winning teams remains below .500.
Traders should monitor roster availability in the days preceding the fixture, particularly regarding starting pitcher assignments and any late-season injuries affecting either bullpen. Recent reporting from MLB.com and team injury reports through mid-July will clarify whether either side faces unexpected absences. Weather conditions at the venue—temperature, wind direction, and precipitation probability—carry material weight for this matchup given Detroit's home-field advantage. The Tigers' recent form against left-handed starters and Kansas City's performance in road games during July represent secondary factors worth tracking. Any line movement at major sportsbooks (DraftKings, FanDuel, BetMGM) in the 48 hours before first pitch would signal whether sharper money is shifting the consensus, potentially indicating a recalibration of the current 30 per cent prediction-market probability.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $85K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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