Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
77% | 23% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
77% | 23% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 77% |
| 1st 5 Innings O/U 3.5 | 64% |
| O/U 7.5 | 60% |
| 1st 5 Innings O/U 4.5 | 54% |
| Spread -1.5 | 52% |
| O/U 8.5 | 52% |
| NRFI | 50% |
| 1st 5 Innings Spread -1.5 | 42% |
| 1st 5 Innings O/U 5.5 | 42% |
| Spread -2.5 | 41% |
| O/U 9.5 | 40% |
| Colorado Rockies vs. Milwaukee Brewers | 32% |
| 1st 5 Innings O/U 6.5 | 28% |
| Spread -1.5 | 23% |
| 1st 5 Innings Spread -1.5 | 21% |
| Spread -2.5 | 14% |
| Extra Innings | 9% |
Market context
Milwaukee’s home game against Colorado is priced by the crowd as a clear Brewers lean, with the market at **32% YES** for the Rockies despite ESPN listing the Brewers at **78.4%** win probability in its game preview.[1] That gap is notable because it suggests the prediction market is assigning Colorado a materially better chance than the mainstream model, even though the underlying team records point the other way: Milwaukee is 38-23 overall and 21-13 at home, while Colorado is 24-40 and 12-23 away.[1]
Recent head-to-head results also frame the contract as a test of whether the market is discounting a bad matchup for Colorado or simply overreacting to a single game state. Milwaukee just swept Colorado in Denver in early June, winning 9-7, 7-1 and 12-4, with the Brewers’ offence producing late runs and multiple home runs across the series.[2][3][6] That makes the current Rockies price look more aggressive than the recent matchup history would suggest, especially on a road spot where Colorado has struggled.[1][2][3]
For traders, the main catalysts are the final line-ups, starting pitchers, and any late injury or rest news released before first pitch, because those inputs can move a one-game baseball price quickly. The game is scheduled for 4:10 pm ET, and any postponement would keep the market open until completion, while a cancellation or tie would resolve 50-50 under the contract terms. ESPN’s preview already implies a strong Brewers edge, so the key question is whether there is a roster or pitching update that narrows that gap enough to explain the market’s 32% Rockies price.[1]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $53K.
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 Kalshi vs Polymarket, 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- 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.
Trade Colorado Rockies vs. Milwaukee Brewers on Kalshi vs Polymarket
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