Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
76% | 24% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Boston Red Sox vs. Pittsburgh Pirates | 76% |
| Spread -1.5 | 60% |
| Extra Innings | 50% |
| O/U 3.5 | 44% |
| O/U 4.5 | 33% |
| Spread -2.5 | 27% |
| O/U 5.5 | 26% |
| O/U 6.5 | 14% |
| O/U 7.5 | 12% |
| Spread -1.5 | 8% |
| O/U 8.5 | 7% |
| Spread -2.5 | 6% |
| NRFI | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings O/U 2.5 | 0% |
| 1st 5 Innings O/U 3.5 | 0% |
| 1st 5 Innings O/U 4.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
| 1st 5 Innings O/U 6.5 | 0% |
Market context
The Boston Red Sox face the Pittsburgh Pirates on 15 August at 7:15PM ET in a regular-season matchup. Polymarket currently prices this contract at 76% probability for a Red Sox victory, reflecting Boston's stronger roster composition and recent performance trajectory relative to Pittsburgh. The settlement window extends to 22 August 2026, allowing for postponements or rescheduling without early resolution.
Historical context suggests this probability aligns with typical market pricing for matchups between mid-tier AL East contenders and struggling NL Central teams. The Pirates have consistently underperformed expectations this season, whilst the Red Sox maintain a competitive record despite injuries to key contributors. When examining comparable fixtures—particularly games involving Pittsburgh's weak pitching depth—markets have settled in the 70–80% range for opponents with Boston's offensive capabilities. The 76% figure reflects neither excessive confidence nor dismissal of Pittsburgh's capacity to win any given game.
Traders should monitor roster updates through mid-August, particularly regarding Red Sox pitcher availability and any late-season trades affecting either bullpen. Pittsburgh's starting rotation assignments merit attention, as their performance variance is substantial. Weather forecasts for Boston on 15 August could influence game conditions, though current meteorological data suggests standard summer conditions. The conditional token mechanics on Polygon mean positions remain liquid until settlement; early movement typically reflects injury announcements or unexpected roster moves rather than fundamental shifts in team strength.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $127K.
Methodology
We track Pronóstico: Boston Red Sox vs. Pittsburgh Pirates across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es 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.
Trade Pronóstico: Boston Red Sox vs. Pittsburgh Pirates on Polymarket Qué Es
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