Arizona Diamondbacks vs. Colorado Rockies

Platform comparison

Active sub-markets

Market context

Polymarket has this Arizona Diamondbacks vs Colorado Rockies contract at 24% YES, so the market is currently pricing Colorado as the likelier side on the Polygon-based, USDC-settled conditional token. For a user holding the YES side, the payoff still hinges on the official final MLB result rather than scoreline swings or in-game volatility. The game is scheduled for 16 May at Coors Field, where run environment is typically high and late score changes are common, which can keep the market lively until the final out.

The main historical frame is the teams’ recent head-to-head and the broader Coors Field context. Recent search results show the clubs meeting in August 2025 and again in spring training and spring breakout settings, with Arizona coming out ahead in at least one highlight game and Colorado also producing strong offensive results in exhibition play. That mix matters because Rockies games at home can be less straightforward than a simple strength ranking suggests: the park inflates offence, and lead changes are more frequent than at lower-scoring venues. On Polymarket, that means the contract can move sharply on pre-game lineup news or a late pitching change even when the opening probability looks low.

Traders should watch the official starting pitchers, any rest-related scratches, and confirmed line-ups close to first pitch, because those are the main near-term catalysts for repricing. MLB’s game page and final stats will be the source used for settlement, with postponement extending the contract until completion and a cancelled game or tie resolving 50-50. If there is any weather delay or schedule change, that can matter for both timing and the eventual outcome, but absent cancellation the token settles strictly on the completed result.

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Methodology

This page reviews Arizona Diamondbacks vs. Colorado Rockies 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 PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

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.

What does it cost to trade on PolyGram?

Zero. PolyGram 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, 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.