Colorado Rockies vs. Arizona Diamondbacks

Platform comparison

Active sub-markets

Market context

The Colorado Rockies travel to Arizona on 24 May for a regular-season matchup against the Diamondbacks, with first pitch at 4:10 PM ET. Polymarket's conditional token pricing currently reflects a 1% implied probability for a Rockies victory, meaning the market assigns roughly 99% confidence to an Arizona win. This pricing sits on-chain as USDC-denominated contracts on Polygon, where traders can exit positions at any point before the 31 May settlement deadline.

Historical context matters here: the Diamondbacks have consistently outperformed the Rockies in recent seasons, with Arizona winning roughly 55–60% of head-to-head matchups since 2021. The Rockies' home-field disadvantage in Denver—typically a hitter's park that benefits visiting teams with thin air—compounds their structural weakness. When Polymarket prices a team at 1%, it typically reflects either a significant skill gap or injury-related roster depletion; the current odds suggest traders view this as a mismatch rather than a toss-up.

Traders should monitor pitching assignments and injury reports through 24 May. Arizona's starting rotation depth and the Rockies' bullpen health will influence late-market movement. Weather conditions at Coors Field—particularly wind direction and temperature—can shift run-scoring expectations, though this rarely moves moneyline odds by more than 2–3 percentage points. Any roster announcements or unexpected roster moves in the week before settlement could trigger repricing, particularly if Colorado's starting pitcher is unavailable or if Arizona's lineup faces late scratches.

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 PolyGram, which mirrors the Polymarket order book directly.

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

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.

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.

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.