Colorado Rockies vs. Philadelphia Phillies

Platform comparison

Market context

The Colorado Rockies travel to Philadelphia on 10 May for a regular-season matchup against the Phillies, with first pitch at 1:35 PM ET. Polymarket currently prices this contract at 0% YES, meaning traders are assigning zero probability to a Rockies victory and full confidence to either a Phillies win or a tie-resolution scenario. The settlement window extends to 17 May, providing a five-day buffer beyond the scheduled game date to accommodate any postponements.

Historically, Rockies-Phillies matchups reflect the substantial talent disparity between the franchises. Philadelphia has consistently fielded competitive rosters with higher payroll capacity, whilst Colorado has cycled through rebuilding phases. The Phillies' 2023 and 2024 seasons positioned them as National League contenders, whereas the Rockies have operated with lower win-probability expectations. A 0% market price on Rockies victory suggests traders view this specific fixture as heavily favourable to Philadelphia, though such extreme probabilities merit scrutiny—even strong teams lose individual games at non-negligible rates.

Key variables for traders include starting pitcher assignments, which typically emerge 24–48 hours before game time, and roster availability updates. Recent injury reports or roster moves could shift the underlying matchup dynamics. Weather conditions at Citizens Bank Park may also influence gameplay, particularly wind direction affecting fly balls. The settlement mechanism on Polygon uses USDC and conditional tokens, resolving to 50-50 only if the game is cancelled without a make-up or ends in a tie—an outcome rarely seen in modern MLB. Traders should monitor official MLB scheduling announcements through early May for any postponement notices that would extend the resolution window.

Methodology

This page reviews Colorado Rockies vs. Philadelphia Phillies across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Resolution source: This market settles from the official publication at https://www.mlb.com/. A proposer submits the result to the UMA Optimistic Oracle on Polygon, the two-hour challenge window opens, and the smart contract pays out in USDC.

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

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.

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.

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.