Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
63% | 37% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
| Los Angeles Dodgers vs. Arizona Diamondbacks | 63% YES | 38% NO |
| NRFI | 23% YES | 77% NO |
| Spread -1.5 | 51% YES | 49% NO |
| O/U 9.5 | 35% YES | 66% NO |
| Spread -3.5 | 10% YES | 91% NO |
| Spread -2.5 | 19% YES | 82% NO |
Market context
The Dodgers travel to Arizona for a regular-season matchup on 1 June, with Polymarket pricing this contract at 60% probability for a Los Angeles victory. The settlement window extends to 9 June, allowing for postponements or rescheduling within that eight-day buffer. This pricing reflects the Dodgers' marginal advantage heading into the fixture, though the conditional token structure on Polygon means traders are committing USDC against a binary outcome with no middle ground except in the unlikely event of cancellation or a tie.
Historically, the Dodgers have held a slight edge in recent seasons against Arizona, though the Diamondbacks have proven competitive in divisional play. The 60% implied probability sits between typical home-field advantage (roughly 53–55%) and the Dodgers' broader roster strength, suggesting the market is pricing in both teams' current form rather than long-term records. Arizona's 2023 World Series run demonstrated their capacity to perform in high-stakes games, which may be tempering what could otherwise be a higher probability for Los Angeles.
Traders should monitor starting pitcher assignments and injury reports through the settlement window. Recent roster moves, bullpen availability, and weather conditions in Phoenix on game day will influence late-trading activity. The eight-day window also means any significant roster changes or postponements due to weather could shift the conditional token valuations materially before final settlement. Polymarket's on-chain resolution will follow official MLB statistics, with no discretionary interpretation required.
Methodology
We track Los Angeles Dodgers vs. Arizona Diamondbacks on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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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