Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
75% | 25% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
75% | 25% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 75% |
| 1st 5 Innings O/U 3.5 | 61% |
| O/U 7.5 | 56% |
| NRFI | 49% |
| O/U 8.5 | 48% |
| 1st 5 Innings O/U 4.5 | 48% |
| Cleveland Guardians vs. Detroit Tigers | 45% |
| Spread -1.5 | 39% |
| O/U 9.5 | 37% |
| 1st 5 Innings O/U 5.5 | 36% |
| 1st 5 Innings Spread -1.5 | 35% |
| Spread -1.5 | 33% |
| Spread -2.5 | 28% |
| 1st 5 Innings O/U 6.5 | 27% |
| 1st 5 Innings Spread -1.5 | 26% |
| Spread -2.5 | 23% |
| Extra Innings | 8% |
Market context
The Cleveland Guardians face the Detroit Tigers in an MLB regular-season fixture on 11 August at 6:40PM ET, with the market currently pricing a 45% probability of a Guardians victory. This matchup falls within the final stretch of the regular season, where both teams' playoff positioning and recent form carry material weight in determining likely outcomes.
Historical performance between these divisional rivals provides context for the current odds. Over the past three seasons, the Guardians have maintained a stronger win-loss record against Detroit, reflecting their competitive advantage within the AL Central. The Guardians' pitching depth and offensive consistency have typically favoured them in head-to-head matchups, though the Tigers have shown capacity for upset performances, particularly when their rotation features healthy starting pitchers. The 45% probability assigned to Cleveland suggests the market is pricing in meaningful uncertainty despite the Guardians' historical edge—a reflection of single-game volatility inherent to baseball.
Traders monitoring this market should track roster availability in the days preceding the fixture, particularly injury status of key starting pitchers for both sides. Recent performance trends matter considerably; a trader would benefit from reviewing each team's record in their last ten games and their respective bullpen effectiveness, as these factors shift win probability substantially. Weather conditions at the venue on game day—wind direction and temperature affecting ball carry—represent a secondary catalyst worth monitoring. The settlement window extends to 18 August, providing sufficient time for any postponements to be resolved before final determination.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $278K.
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 Cleveland Guardians 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
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
UK Frequently Asked Questions
- 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.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- 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 Election Predictions UK route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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