Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
74% | 26% | 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 |
|---|---|
| 1st 5 Innings O/U 2.5 | 74% |
| O/U 6.5 | 67% |
| 1st 5 Innings O/U 3.5 | 62% |
| O/U 7.5 | 56% |
| Boston Red Sox vs. Pittsburgh Pirates | 54% |
| 1st 5 Innings O/U 4.5 | 51% |
| NRFI | 48% |
| O/U 8.5 | 47% |
| Spread -1.5 | 42% |
| 1st 5 Innings O/U 5.5 | 38% |
| 1st 5 Innings Spread -1.5 | 33% |
| Spread -2.5 | 32% |
| Spread -1.5 | 29% |
| 1st 5 Innings Spread -1.5 | 28% |
| 1st 5 Innings O/U 6.5 | 28% |
| Spread -2.5 | 20% |
| Extra Innings | 10% |
Market context
The Boston Red Sox face the Pittsburgh Pirates on 14 August at 6:40PM ET in a regular-season MLB fixture. The current crowd-implied probability of 54% for a Red Sox victory reflects modest confidence in the visiting team, suggesting the market perceives this as a competitive matchup rather than a heavily favoured outcome. Settlement occurs seven days after the scheduled game, providing a window for postponements or rescheduling should weather or other operational factors intervene.
Historical context matters here: the Red Sox have won approximately 52–54% of their matchups against the Pirates over the past decade, making the current probability broadly consistent with long-term head-to-head performance. However, seasonal form diverges significantly. Traders evaluating this market programmatically should cross-reference both teams' recent records, run differential, and strength of schedule leading into mid-August. The Pirates' performance trajectory through July and early August will be the primary determinant of whether the 54% figure represents value or consensus mispricing.
Catalysts to monitor include starting pitcher announcements (typically confirmed 24–48 hours before game time), injury reports affecting key position players, and any weather forecasts that might trigger postponement. For conditional order strategies, traders should establish thresholds around bullpen availability and recent offensive output trends. The settlement window's seven-day buffer means late-breaking roster changes or weather delays won't invalidate the market, but they will compress the timeframe for position adjustments. Official MLB statistics will serve as the authoritative resolution source.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $164K.
Methodology
This page reviews Boston Red Sox vs. Pittsburgh Pirates across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.
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 Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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