Pittsburgh Pirates vs. Colorado Rockies

Platform comparison

Active sub-markets

Market context

The Pirates and Rockies were still listed before first pitch with Pittsburgh favoured on the moneyline at about -149, which implies the market had the visitors as the likelier winner while still leaving meaningful room for an upset[1]. The 28% crowd-implied YES price now looks like a clear underdog view on Colorado, and it fits the broader shape of the matchup: Pittsburgh entered at 38-39, while Colorado sat at 30-47[1].

Recent comparable results point in both directions. The teams had already met the night before, with ESPN posting June 20 highlights, so a quick turnaround can matter for bullpen usage, line-up changes and any late scratches[2]. Colorado had also been in mixed form, going 2-3 over its previous five games in Action Network’s recent form notes, which is consistent with a market that still gives them some win equity at home but not much[3].

For traders, the main catalysts are the confirmed line-ups, any change to the starting pitcher match-up, and whether the game starts on schedule at Coors Field, where altitude and scoring volatility can make late moves more meaningful than in a normal park[5][6]. A notable late-development flag was a reported scratch for Brian Reynolds in a recent Pirates-Rockies highlight clip, which underlines how quickly offensive projections can shift once line-ups are announced[4].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Pittsburgh Pirates vs. Colorado Rockies 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

Is this market available outside the US?

Prediction Today 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.

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 Today?

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

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.