Colorado Rockies vs. Arizona Diamondbacks

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Active sub-markets

Market context

The Colorado Rockies face the Arizona Diamondbacks on 24 May at 4:10 PM ET, with the settlement window closing 31 May at 20:10 UTC. The 1% implied probability for a Rockies victory reflects the Diamondbacks' considerably stronger position in the National League West standings and recent form heading into late May. Arizona has maintained playoff contention throughout the season whilst Colorado has struggled with consistency, particularly in road matchups against division rivals.

Historical context shows that Coors Field home games typically favour the Rockies, but this matchup occurs in Arizona, eliminating that altitude advantage. The Diamondbacks have won roughly 60% of their recent head-to-head encounters against Colorado over the past two seasons, a differential that compounds the current probability assessment. When one team carries such a decisive historical edge in a specific venue, the baseline expectation shifts substantially—the 1% figure suggests the market is pricing in only unexpected circumstances: a Rockies pitcher outperforming expectations, multiple Diamondbacks injuries, or significant lineup absences.

Traders should monitor starting pitcher announcements, which typically come 24 hours before game time. Any late-notice roster changes—particularly involving Arizona's established rotation or Colorado's limited offensive depth—could shift the probability meaningfully. Weather conditions at Chase Field rarely impact play, but travel delays or injury updates released between now and first pitch remain the primary catalysts for repricing. The settlement window extends a full week past the scheduled date, allowing for postponement resolution if necessary.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

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 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.