Pittsburgh Pirates vs. Colorado Rockies

Platform comparison

Active sub-markets

Market context

The Pittsburgh Pirates and Colorado Rockies are scheduled to meet at Coors Field in Denver in an MLB game listed for 3:10 pm ET, and the market resolves to the side that wins on the official final score. In prediction-market terms, a **YES** share pays out if the named team wins, while a **NO** share pays out if it does not; because this market names the Pirates, a YES position is a bet on Pittsburgh and a NO position is effectively a bet on Colorado.[7][8]

The crowd-implied probability is **100% YES**, which is best read as the market trading at the top of the range rather than as a guarantee. That kind of pricing usually reflects either very strong conviction in one side or a market that has already been pushed to the limit after trades and news, so there is little room left for further upward movement. By comparison, conventional bookmakers had the Pirates as the short favourite before first pitch, with theScore listing Pittsburgh at -140 and an over/under of 11.5 runs.[2]

For traders, the main catalysts are straightforward: the game must actually finish, and the settlement rules change if it is postponed, cancelled, or ends in a tie. MLB’s schedule pages list the fixture at Coors Field, and ESPN’s game page and highlights indicate the contest is being tracked through the normal official MLB scoring channel, which is what matters for resolution.[6][7][3] Because this market stays open if the game is delayed rather than cancelled, any late weather call, rescheduling notice, or administrative change to the official completion of the game is the key dependency to watch.[7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

On Prediction Market 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.