Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| NRFI | 100% |
| 1st 5 Innings O/U 2.5 | 86% |
| 1st 5 Innings O/U 3.5 | 79% |
| 1st 5 Innings O/U 4.5 | 71% |
| 1st 5 Innings O/U 6.5 | 59% |
| O/U 8.5 | 51% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| Extra Innings | 50% |
| Athletics vs. Cincinnati Reds | 49% |
| 1st 5 Innings O/U 5.5 | 40% |
| O/U 9.5 | 39% |
| Spread -1.5 | 35% |
| Spread -1.5 | 33% |
| O/U 10.5 | 32% |
| Spread -2.5 | 24% |
| Spread -2.5 | 24% |
Market context
The Athletics and Cincinnati Reds are playing a second straight game in Cincinnati, and the market’s **49% yes** price sits noticeably below the sportsbook side, where ESPN had the Reds around **-136** and listed the live win chances at **61.4% Cincinnati, 38.6% Athletics** for the Aug. 5 matchup. That gap suggests the contract is closer to a coin flip than the market consensus implied by the betting line, with the Reds still priced as the more likely winner but not by a large margin.[10][3]
Recent form gives the Reds the edge, but not an overwhelming one. Cincinnati won the series opener **5-4** on Aug. 4, and ESPN’s preview for this game highlighted a **6-4** Reds run over their previous 10 games versus **2-8** for the Athletics, alongside a stronger Reds offence at home run production and a healthier recent ERA trend.[1][14][10] The earlier meeting between these clubs this season also showed they can produce volatile, high-scoring outcomes, which matters for a contract that only resolves on the final result rather than margin.[7][12]
For traders, the key catalysts are the confirmed starters, any late lineup changes, and whether the game actually begins on schedule after a day game-to-night turnaround in the same park. The settlement window runs well past the scheduled first pitch, so a postponement would keep the market open until completion, while a cancellation or tie would push it to a 50-50 resolution under the contract terms. Any injury or rest news before first pitch could move the gap between the sportsbook number and the crowd price quickly.[17][10]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $193K.
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
- 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.
- 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 vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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