Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
46% | 54% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
46% | 54% | 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 | 46% YES | 55% NO |
| NRFI | 48% YES | 53% NO |
| Spread -1.5 | 35% YES | 66% NO |
| O/U 8.5 | 44% YES | 56% NO |
| Spread -3.5 | 18% YES | 83% NO |
| O/U 10.5 | 28% YES | 72% NO |
Market context
The Minnesota Twins travel to Boston for a matchup against the Red Sox on 23 May at 4:10 PM ET. Polymarket currently prices Minnesota's victory at 46%, implying roughly even odds with a slight lean toward Boston. This conditional token contract settles on the official MLB result, with the settlement window extending to 30 May to accommodate any postponements. Should the game be cancelled without a make-up fixture, or conclude in a tie, the market resolves 50-50 across both outcomes.
Minnesota enters May as a mid-table AL Central side, whilst Boston occupies a stronger position in the AL East standings. Historical matchups between these franchises show competitive balance, though Boston's home-field advantage at Fenway Park typically shifts win probability by 2–3 percentage points in their favour. The current 46% for Minnesota reflects this structural disadvantage; traders pricing the Twins at near-parity are essentially betting on Minnesota's pitching or offensive performance to overcome Boston's venue edge.
Traders should monitor starting pitcher assignments, which typically release 24–48 hours before game time and materially affect contract pricing. Recent injury reports from both clubs—particularly regarding key position players or bullpen availability—move markets sharply. Weather conditions at Fenway, including wind direction and temperature, influence scoring expectations and thus implied win probabilities. Any roster moves or roster eligibility questions announced between now and game time could trigger repricing on Polygon, particularly if either team's ace becomes unavailable.
Methodology
This page reviews Minnesota Twins vs. Boston Red Sox across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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.
- 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.
- 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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