Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
43% | 57% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
43% | 57% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Active sub-markets
| Minnesota Twins vs. Boston Red Sox | 43% YES | 57% NO |
| NRFI | 43% YES | 57% NO |
| Spread -1.5 | 40% YES | 61% NO |
| O/U 8.5 | 41% YES | 60% NO |
| O/U 7.5 | 48% YES | 53% NO |
| Spread -4.5 | 13% YES | 87% NO |
Market context
The Minnesota Twins visit the Boston Red Sox at Fenway Park, with the market priced at 44% for Minnesota. That sits a little below a straightforward coin-flip and suggests the crowd is treating Boston as a modest home favourite, broadly in line with the ESPN listing that implies about 53% for the Red Sox. The gap is not large, but it matters: prediction-market pricing is signalling less confidence in Minnesota than a typical sportsbook-style home edge would imply.
The historical frame is mixed. These clubs have already met in 2026, and the earlier April series produced a high-scoring Red Sox win and a 13-6 Twins rout, which points more to volatility than to a stable head-to-head read. Recent head-to-head results in baseball tend to matter less than starting pitching and bullpen availability, so the market’s sub-50% Twins price is best read as a snapshot of venue and matchup assumptions rather than a strong view on team quality. A 44% implied chance is also consistent with a market that has not fully converged on a clear side.
For traders, the main catalysts are the official line-ups, starting pitchers and any late injury or rest news before the 7:10pm ET first pitch. Fenway Park can also amplify run-scoring swings, which matters because a higher-scoring game increases late bullpen sensitivity and makes pre-game probabilities more fragile. ESPN lists the game for tonight, while ticketing listings also show a scheduled Fenway meeting, so the key dependency is whether the game starts on time and whether either club announces a pitcher change close to lock.
Methodology
We track Minnesota Twins vs. Boston Red Sox 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
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
- Where can I trade this market with the lowest fees?
- On PolyGram, 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 PolyGram?
- Zero. PolyGram 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Minnesota Twins vs. Boston Red Sox on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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