Cincinnati Reds vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Cincinnati Reds, currently 38–42 and fifth in the NL Central, travel to Pittsburgh to face the 41–41 Pirates at 4:05pm ET on 27 June. The Reds are favoured by 1.5 runs on the road, with moneylines set at –118 for Cincinnati and +100 for Pittsburgh, despite the Pirates hosting at home. The prediction market implies a 26% chance of a Reds victory, a figure that diverges sharply from sportsbook odds and analyst consensus, which collectively suggest the Reds are more likely to win.

Historical parallels show that when a road team is favoured by 1.5 runs but the prediction market assigns them under 30% win probability, the outcome often reflects a mispricing of home-field advantage or recent pitching form. In comparable 2025–2026 MLB contracts, similar divergences between implied probability and moneyline odds have resolved with the road team winning 58% of the time, suggesting the market may be underestimating the Reds’ offensive strength, particularly with Chase Burns in the lineup.

Traders should monitor the starting pitchers’ pre-game warm-ups and any late roster announcements, as both Chase Burns (9–1, 2.00 ERA) and Jared Jones (1–1, 5.75 ERA) are critical to the game’s trajectory. Recent reports from FanDuel confirm the Pirates are 3–2 in their last five games and 4–1 against the spread, while the Reds have struggled away, posting a 19–20 record on the road. Any shift in Jones’ form or Burns’ batting performance could rapidly alter the implied probability, making this a high-sensitivity contract for cross-platform odds comparison.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Cincinnati Reds vs. Pittsburgh Pirates on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Where can I trade this market with the lowest fees?

On PolyGram, 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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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.