Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
68% | 32% | 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 | 68% |
| O/U 6.5 | 61% |
| 1st 5 Innings O/U 3.5 | 53% |
| O/U 7.5 | 48% |
| Pittsburgh Pirates vs. Milwaukee Brewers | 44% |
| NRFI | 42% |
| O/U 8.5 | 40% |
| Spread -1.5 | 39% |
| 1st 5 Innings O/U 4.5 | 38% |
| 1st 5 Innings Spread -1.5 | 32% |
| Spread -1.5 | 31% |
| 1st 5 Innings O/U 5.5 | 28% |
| Spread -2.5 | 28% |
| 1st 5 Innings Spread -1.5 | 22% |
| Spread -2.5 | 21% |
| 1st 5 Innings O/U 6.5 | 20% |
| Extra Innings | 7% |
Market context
The Pittsburgh Pirates and Milwaukee Brewers meet in Milwaukee, and the market’s 44% YES implies a modest Brewers edge rather than a strong favourite. That is consistent with the current season profile: Milwaukee has the better run prevention numbers, with a 3.42 ERA and 1.21 WHIP versus Pittsburgh’s 4.26 ERA and 1.31 WHIP, while the Pirates have been the slightly stronger line-up by raw batting average, .253 to .254, but with less power and a weaker pitching base overall.[12]
Recent head-to-head results argue against reading too much into any single meeting. The sides have traded notable swings already this season, including a Brewers 5-0 win in April, a Pirates 7-6 comeback in July, and a Pirates 14-5 rout in mid-July, which is the kind of volatility that often keeps a pre-game probability near the middle even when one club grades better on season-long pitching metrics.[1][11][15] In a USDC-settled market, that kind of price usually reflects baseball’s high variance rather than a large informational gap, and it can move sharply if lineup news or pitching changes emerge close to first pitch.
For traders, the main catalysts are the confirmed starter, late scratches, and any postponement risk, because this contract stays open if the game is delayed and only resolves after completion.[5][12] The settlement window runs to 2026-08-11T23:40:00Z, so any rainout or schedule reshuffle would matter operationally even if it does not change the baseball angle immediately. On-chain, the practical watchpoint is whether the market drifts with broader crypto conditions into the close: BTC and ETH spot moves, plus any risk-off spike in funding or whale flows, can affect liquidity and slippage more than the underlying baseball fundamentals.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $450K.
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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- 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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