Colorado Rockies vs. Arizona Diamondbacks

Platform comparison

Active sub-markets

Market context

The Colorado Rockies travel to Arizona to face the Diamondbacks on 24 May at 4:10pm ET in a National League West matchup. Polymarket currently prices this contract at 0% YES, meaning traders are assigning zero probability to a Rockies victory. This extreme pricing reflects either a sharp consensus view or illiquidity in the conditional token pair on Polygon—the USDC-denominated YES and NO tokens that settle based on official MLB final statistics.

Historical context matters here. The Rockies have struggled significantly in recent seasons, whilst Arizona has been more competitive within the division. However, single-game markets in baseball are notoriously volatile; home-field advantage, starting pitcher matchups, and weather conditions at Chase Field can shift expected value substantially. A 0% price is rare in sports prediction markets and typically signals either that the market has very few participants or that one side has been heavily backed with USDC liquidity, pushing the other side to extreme lows. In baseball, even heavily favoured teams lose roughly 35–40% of their games, so extreme probabilities warrant scrutiny.

Traders should monitor the official pitching assignments and any late roster moves or injuries announced before game time. Weather conditions in Phoenix—particularly temperature and wind direction—can favour hitters or pitchers. The settlement window extends to 31 May at 20:10 UTC, allowing for postponements. Any game cancellation without a make-up fixture would trigger a 50-50 resolution, a tail risk that affects the contract's true expected value relative to current pricing.

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

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 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.