Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) 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 | 56% |
| Spread -1.5 | 53% |
| O/U 7.5 | 49% |
| NRFI | 45% |
| 1st 5 Innings Spread -1.5 | 44% |
| 1st 5 Innings O/U 4.5 | 43% |
| O/U 8.5 | 42% |
| Spread -2.5 | 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 | 14% |
| 1st 5 Innings Spread -1.5 | 11% |
| Extra Innings | 7% |
Market context
The Kansas City Royals travel to Detroit to face the Tigers on 24 July at 6:40PM ET in a regular-season MLB matchup. The market currently prices a Royals victory at 30 per cent implied probability, suggesting Detroit enters as the favoured side.
Historical matchup data and seasonal performance provide context for evaluating this pricing. The Royals and Tigers have competed across multiple decades with varying competitive windows; Detroit's recent roster construction and home-field advantage typically favour the Tigers in head-to-head encounters. Comparable July fixtures between mid-tier AL Central teams show that home teams in this division capture wins at roughly 55–60 per cent rates when both squads sit within 5–10 games of .500. The current 30 per cent probability for Kansas City implies either a significant Detroit advantage in form, pitching matchup, or injury status heading into the contest.
Traders should monitor roster updates through 24 July, particularly starting pitcher assignments and any late-season injury announcements from either club. Recent performance trends—win-loss records in the preceding fortnight, bullpen availability, and offensive output against comparable opponents—will shift the underlying expectation. The settlement window extends to 31 July at 22:40 UTC to accommodate potential postponements, though standard scheduling typically resolves outcomes within hours of game completion. Any weather delays or roster changes announced within 48 hours of first pitch could meaningfully alter the probability trajectory.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $79K.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Kansas City Royals vs. Detroit Tigers plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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