Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| O/U 8.5 | 100% |
| 1st 5 Innings Spread -1.5 | 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% |
| 1st 5 Innings O/U 5.5 | 100% |
| 1st 5 Innings O/U 6.5 | 100% |
| Spread -1.5 | 100% |
| O/U 7.5 | 100% |
| O/U 9.5 | 100% |
| O/U 10.5 | 100% |
| O/U 11.5 | 100% |
| Baltimore Orioles vs. Minnesota Twins | 0% |
| Spread -1.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| Extra Innings | 0% |
| Spread -2.5 | 0% |
| Spread -2.5 | 0% |
| O/U 12.5 | 0% |
| O/U 13.5 | 0% |
| O/U 14.5 | 0% |
| O/U 15.5 | 0% |
| O/U 16.5 | 0% |
| Spread -3.5 | 0% |
Market context
The Orioles travel to Minnesota for a midweek matchup against the Twins on 12 August, with the conditional token market currently pricing Baltimore's victory at 55% implied probability on Polygon. This represents a modest favourite position, reflecting the Orioles' recent form and roster depth heading into the late summer stretch. The settlement window extends to 19 August, allowing for postponement resolution should weather or scheduling disruptions affect the original fixture.
Baltimore's recent performance against Minnesota provides useful context for calibrating the current odds. The Orioles have maintained competitive records in divisional play throughout 2026, whilst the Twins have shown inconsistency in August matchups historically. Teams with stronger bullpen depth—a category where Baltimore has invested significantly—tend to outperform in single-game scenarios where relief pitching becomes decisive. The 55% pricing suggests the market recognises Baltimore's marginal advantage without overweighting it, consistent with how prediction markets typically handle regular-season baseball where variance remains substantial.
Traders should monitor starting pitcher announcements, which typically arrive 24 to 48 hours before first pitch. Recent injury reports from either clubhouse could shift conditional token valuations meaningfully; a key position player's absence would likely move the probability several percentage points. Weather forecasts for the Minneapolis area warrant attention given August's potential for thunderstorms that could trigger postponement clauses. USDC settlement mechanics remain straightforward here—the market resolves to either outcome or 50-50 split only if cancellation occurs without a make-up game, a scenario that remains statistically unlikely in modern MLB scheduling.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $954K.
Methodology
This page is a comparison snapshot: one live quote, 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
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
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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