Cleveland Guardians vs. Philadelphia Phillies

Platform comparison

Active sub-markets

Market context

The Cleveland Guardians travel to Philadelphia on 24 May for a regular-season matchup against the Phillies, with first pitch at 1:35 PM ET. The current crowd-implied probability of 55% for a Guardians victory reflects modest confidence in the visiting side, suggesting near-parity in market expectations despite Philadelphia's status as a higher-seeded playoff contender in recent seasons.

Historical matchups between these franchises show competitive balance, though the Phillies have held a slight edge in head-to-head records over the past three seasons. When evaluating the 55% probability, traders should consider that late-May games often feature settled rotations and injury statuses; the probability incorporates assumptions about which starting pitchers are assigned. For programmatic approaches, this market's resolution dependency on official MLB statistics means automated systems should monitor the official box score feed rather than real-time scoring platforms, as scoring corrections occasionally occur within 24 hours of game completion.

Key variables for conditional order logic include weather conditions at Citizens Bank Park—wind direction and temperature affect ball carry distance—and any last-minute roster changes announced on game day morning. The settlement window extends to 31 May at 17:35 UTC, providing a one-week buffer for postponements or administrative delays. Traders using copy-trading or bot-based strategies should note that this market's binary structure (no draw option except in cancellation scenarios) means position sizing differs from fractional-outcome markets; the 50-50 tie resolution only applies if MLB cancels the fixture entirely without scheduling a make-up date.

Methodology

This page reviews Cleveland Guardians vs. Philadelphia Phillies 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.

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.

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.