Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
6% | 94% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
6% | 94% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Sport Prediction.
Active sub-markets
| Rocco Baldelli | 6% YES | 95% NO |
| David Ortiz | 0% YES | 100% NO |
| Nomar Garciaparra | 3% YES | 97% NO |
| Alex Rodriguez | 3% YES | 97% NO |
| Brad Ausmus | 1% YES | 99% NO |
| Jason Varitek | 3% YES | 98% NO |
Market context
The Boston Red Sox have dismissed manager Alex Cora and five coaches following a dismal 10–17 start to the 2026 season, leaving the franchise in urgent search of a permanent replacement. Triple-A manager Chad Tracy has been appointed interim skipper, but the market specifically tracks who secures the long-term role, with the current crowd-implied probability of 6% reflecting uncertainty about whether Tracy or an external candidate will be chosen.
Historically, MLB franchises rarely convert interim managers into permanent hires immediately after a mid-season collapse, often opting for veteran outsiders to reset the culture. Comparable cases, such as the Red Sox’s own 2013 decision to hire John Farrell over interim Kevin Youkilis, suggest that Tracy’s 6% probability is plausible but likely understates the odds of an external appointment, especially given the team’s underperformance by key players like ace Garrett Crochet and rookie Roman Anthony, who is battling a back injury.
Traders should monitor official announcements from Fox Sports, ESPN, and the New York Times, as the market resolves instantly upon a permanent manager’s appointment, regardless of when the role begins. The settlement window ends 1 February 2027, and if no permanent manager is named by 31 January 2027, the market resolves to “Other.” Recent reports from Jeff Passan of Sports Illustrated highlight that the Red Sox are weighing candidates beyond Tracy, including potential frontrunner Jason Varitek, making any sudden announcement a critical catalyst for price movement.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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?
- On Sport Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.
- 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 MLB: Next Red Sox Manager on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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