Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| 1st 5 Innings O/U 3.5 | 60% |
| Cincinnati Reds vs. Milwaukee Brewers | 56% |
| 1st 5 Innings O/U 4.5 | 55% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -2.5 | 50% |
| 1st 5 Innings Spread -2.5 | 50% |
| 1st 5 Innings O/U 2.5 | 50% |
| 1st 5 Innings O/U 5.5 | 50% |
| 1st 5 Innings O/U 6.5 | 50% |
| Extra Innings | 50% |
| O/U 5.5 | 50% |
| O/U 6.5 | 45% |
| Spread -1.5 | 39% |
| O/U 7.5 | 32% |
| Spread -1.5 | 24% |
Market context
The upcoming MLB contest between the Cincinnati Reds and Milwaukee Brewers, scheduled for 2:10PM ET on July 2, pits two NL Central rivals in a game where the Reds currently hold a 56% crowd-implied probability of victory. This market resolves strictly on the winner, with postponed games remaining open until completion and cancellations or ties settling at 50-50. For a power-user building conditional orders or copy-trading bots, the key is treating the 56% figure not as a static prediction but as a dynamic input that shifts with live pitching lines and bullpen fatigue metrics.
Historically, this matchup has favoured the Brewers, who have won 166 games against the Reds’ 132 in head-to-head records, averaging 4.6 points per game compared to the Reds’ 4.1[4]. Recent form reinforces this trend: the Brewers secured a 5-3 comeback win on June 29 thanks to Joey Ortiz’s late two-run homer[1], followed by a 4-2 victory on July 1 where Mitchell went 4-for-4 with two doubles and a triple[2][3]. These back-to-back wins suggest the Brewers’ offence is currently outpacing the Reds’ defence, making the 56% Reds probability a potential overreaction to home-field advantage rather than a reflection of current team strength.
Traders monitoring this market programmatically should watch for real-time updates on starting pitchers, particularly any late scratches or bullpen usage from the previous night’s games. The Brewers’ recent success hinges on timely hitting and solid pitching, as evidenced by their consecutive wins, while the Reds’ ability to break this streak depends on their offence capitalising on early innings[6]. A conditional order strategy might involve scaling into the Reds only if the starting pitcher is confirmed as a top-tier performer, whereas a copy-trading bot could mirror the market’s shift if live data shows the Brewers’ offence continuing its hot streak. Recent news highlights the Brewers’ offensive depth, with Mitchell’s 4-for-4 performance on July 1 underscoring their current momentum[3].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $762K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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