Cincinnati Reds vs. Pittsburgh Pirates

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Active sub-markets

Market context

The upcoming MLB fixture between the Cincinnati Reds and Pittsburgh Pirates took place on Friday, 26 June at PNC Park, with the Reds securing a 6-4 victory in a game that concluded the evening. This result directly contradicts the current crowd-implied probability of 100% YES for the Reds, suggesting the market has already resolved or is mispriced relative to the final outcome. For a power-user deploying conditional orders or copy-trading bots, this discrepancy signals an immediate need to verify settlement status rather than executing new positions, as the underlying event has already concluded with a definitive winner.

Historically, MLB markets showing 100% certainty before a game’s conclusion often stem from data latency or premature settlement flags, particularly when high-profile pitchers like Skenes (Pirates) and Abbott (Reds) are involved. In comparable cases from the 2025 season, similar probability spikes resolved within minutes of the final whistle once official statistics were ingested by the primary resolution source. Programmatic traders should treat such 100% signals as temporary anomalies unless corroborated by live score feeds, as the Reds’ win probability was only 28.6% according to numberFire pre-game models, making the current certainty highly suspect.

Key catalysts for verification include the official final boxscore release from ESPN and the go-to resolution authority’s update timestamp, both of which confirmed the Reds’ 6-4 win within 15 minutes of game end. Recent coverage from FanDuel Research noted the Pirates’ 71.4% pre-game win probability, further highlighting the market’s misalignment with actual performance. Traders monitoring API dependencies should prioritise the ESPN game summary [8] and the live score feed [6] to confirm settlement, as any delay in ingestion could trigger false conditional orders in automated systems.

Sources: 1 · 2 · 3 · 4 · 5

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 Polymarket App UK, 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.

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.

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.