Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| NRFI | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| 1st 5 Innings O/U 3.5 | 100% |
| 1st 5 Innings O/U 4.5 | 100% |
| O/U 7.5 | 75% |
| O/U 8.5 | 66% |
| O/U 9.5 | 51% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings O/U 5.5 | 50% |
| 1st 5 Innings O/U 6.5 | 50% |
| Extra Innings | 50% |
| Spread -1.5 | 46% |
| O/U 10.5 | 42% |
| Spread -2.5 | 32% |
| O/U 11.5 | 31% |
| Cleveland Guardians vs. Detroit Tigers | 30% |
| Spread -1.5 | 18% |
| Spread -2.5 | 10% |
Market context
The Cleveland Guardians travel to Detroit to face the Tigers on 12 August, with the market pricing a Guardians victory at 28 per cent. This implies the Tigers are favoured at roughly 72 per cent, a substantial gap that warrants scrutiny given the clubs' recent trajectory and mid-season positioning within the AL Central.
Cleveland has established itself as a competitive outfit in 2024, whilst Detroit's resurgence under new management has caught many observers off guard. Historical matchups between these divisional rivals show volatility; home-field advantage in August typically carries weight, yet the Guardians' road record and pitching depth have proven resilient in hostile environments. The 28 per cent probability suggests the market is pricing in Detroit's home advantage and current form heavily, but comparable August fixtures between these teams over the past three seasons reveal closer contests than the current odds imply. Contrarian traders might find value if Cleveland's starting pitcher carries strong recent metrics or if Detroit's bullpen shows fatigue from a compressed schedule.
Key variables include confirmed starting lineups and any late roster adjustments announced before first pitch. Detroit's injury status—particularly among core position players—will influence offensive output, whilst Cleveland's ability to manufacture runs against Detroit's pitching staff remains a critical dependency. Weather conditions at Comerica Park on game day could favour either side's approach; August heat typically aids ball carry, potentially benefiting whichever team features more power-dependent hitters in the lineup.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $297K.
Methodology
This page reviews Cleveland Guardians vs. Detroit Tigers across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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