Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
81% | 19% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
81% | 19% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 81% |
| 1st 5 Innings O/U 3.5 | 70% |
| 1st 5 Innings O/U 4.5 | 59% |
| O/U 8.5 | 59% |
| NRFI | 54% |
| O/U 9.5 | 51% |
| 1st 5 Innings O/U 5.5 | 47% |
| Spread -1.5 | 46% |
| 1st 5 Innings Spread -1.5 | 42% |
| O/U 10.5 | 42% |
| Pittsburgh Pirates vs. New York Yankees | 37% |
| 1st 5 Innings O/U 6.5 | 35% |
| Spread -2.5 | 35% |
| Spread -1.5 | 28% |
| 1st 5 Innings Spread -1.5 | 25% |
| Spread -2.5 | 18% |
| Extra Innings | 7% |
Market context
The Pittsburgh Pirates and New York Yankees are set for a regular-season MLB meeting in New York, and the market’s **37% YES** implies the Pirates are a clear underdog. Recent head-to-head context leans Yankees: one source puts New York’s overall record against Pittsburgh at **26-14** (65%), and ESPN’s game page shows the market priced with the home side favoured at roughly **55.7%** to **44.3%** on the matchup page.[1][3]
Comparable results remind traders that this fixture can still flip on a single late inning. The Pirates beat the Yankees **5-4 in 11 innings** in April 2025, while historical memory still includes New York’s sweep of Pittsburgh in the **1927 World Series**, a lopsided benchmark that reflects how often the Yankees have controlled this pairing over time.[5][4] In a prediction-market setting, that history matters less than the live line-up, starting pitcher and bullpen availability, but it explains why a sub-40% Pirates price is not unusual for this matchup.[1][3]
For settlement, the key practical issue is whether the game is completed normally before the market closes; if it is postponed, the contract remains open until the make-up game is played, while a cancellation or tie settles 50-50. Traders watching crypto-linked mechanics should note that the final outcome feeds directly into on-chain USDC settlement, so any late lineup scratch, weather delay or scheduling change can matter more than broader BTC or ETH moves unless there is an obvious risk-off spillover into market liquidity. The immediate catalyst is the official game status and starting line-up confirmation rather than macro, with ESPN’s live game page the clearest real-time scoreboard reference here.[3]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $207K.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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