Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
48% | 52% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
48% | 52% | 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
| Detroit Tigers vs. Baltimore Orioles | 48% YES | 52% NO |
| NRFI | 46% YES | 55% NO |
| Spread -1.5 | 37% YES | 64% NO |
| O/U 8.5 | 44% YES | 56% NO |
| O/U 10.5 | 26% YES | 74% NO |
| O/U 11.5 | 21% YES | 80% NO |
Market context
The Detroit Tigers travel to Baltimore on 23 May for an afternoon fixture against the Orioles, with first pitch at 4:05 PM ET. Polymarket currently prices a Tigers victory at 47%, implying roughly even odds between the two teams with a slight lean towards Baltimore. The settlement window extends to 30 May, allowing for postponements or rescheduling within that seven-day buffer. USDC liquidity on Polygon underpins the conditional token structure, with resolution tied directly to official MLB final statistics.
Historical matchups between these franchises offer limited predictive weight given roster volatility and mid-season form shifts. The 2024 AL Central standings showed both clubs competing for playoff positioning, though Baltimore's recent track record in divisional play has been marginally stronger. Context matters here: teams' performance against comparable opponents in the preceding fortnight typically correlates more closely with single-game outcomes than season-long records. The 47% probability reflects genuine uncertainty rather than a clear favourite, suggesting the market has priced in recent performance data without overwhelming conviction either direction.
Traders should monitor starting pitcher announcements, which typically arrive 24–48 hours before game time. Injury reports from both clubhouses—particularly regarding key position players or bullpen availability—can shift implied probabilities meaningfully. Weather conditions in Baltimore on game day may also influence play style and scoring patterns. Recent news from MLB.com or team official channels will clarify roster status closer to fixture time, potentially creating arbitrage opportunities if new information contradicts current pricing.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
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
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- 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.
Trade Detroit Tigers vs. Baltimore Orioles on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →