Cincinnati Reds vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

On Saturday, 27 June 2026, the Cincinnati Reds face the Pittsburgh Pirates at 4:05 PM ET in a decisive MLB matchup where the market currently assigns a 39% chance to the Reds winning. In prediction markets, a YES share pays out if the selected outcome occurs—here, a Reds victory—while a NO share pays if it does not. This specific market resolves to the Reds if they win, to the Pirates if they win, and remains open if postponed, settling 50-50 only if the game is cancelled or ends in a tie.

Historical head-to-head data frames this 39% probability as a cautious lean rather than a strong favourite. The Pirates have dominated recent encounters, winning all five of their last meetings against the Reds, including a 17-7 rout on 2 May 2026 where pitcher Carmen Mlodzinski recorded 10 strikeouts [1][2]. Over the last three seasons, Pittsburgh holds a superior 19-13 record against Cincinnati, though the Reds won the most recent game on 26 June 2026 by a score of 6-4, suggesting the rivalry remains competitive despite the Pirates' overall dominance [5][8].

Traders should monitor final starting lineups and any late pitching announcements, as a key starter’s absence could shift the probability significantly. The Pirates’ recent success at home, where they have won three of their last four against the Reds, adds weight to their case, but the Reds’ ability to bounce back immediately after a loss indicates resilience [2]. No major injury reports have been released as of this evening, but any pre-game updates from official team channels or ESPN’s live game coverage will be critical catalysts for price movement [1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Cincinnati Reds vs. Pittsburgh Pirates across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Market UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 it cost to trade on Prediction Market UK?

Zero. Prediction Market UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK 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.