Seattle Mariners vs. Cleveland Guardians

Platform comparison

Active sub-markets

Market context

The Seattle Mariners beat the Cleveland Guardians 3-1 on Friday night at Progressive Field in Cleveland, with J.P. Crawford scoring the go-ahead run in the seventh inning and Colt Emerson adding a home run[2]. This result means the prediction market titled "Seattle Mariners vs. Cleveland Guardians" has already settled to "YES" for the Mariners winning, as the game is complete and the outcome is confirmed[2].

Historically, MLB markets with 100% crowd-implied probability before game completion often reflect late odds shifts or insider knowledge, but once the game ends, the on-chain conditional tokens on Polygon automatically resolve using USDC payouts without further trader action[1]. Comparable cases show that when a team wins outright, as the Mariners did here, the market resolves cleanly to the winner, with no need for tie or cancellation clauses to trigger[1].

Traders should watch for any official MLB announcements confirming the final score or potential replay reviews, though ESPN’s live score already confirms the 3-1 result[2]. Recent DraftKings odds projected a Guardians moneyline play, but the actual outcome contradicted that model, highlighting the importance of verifying live scores before betting on unresolved contracts[1]. No further catalysts are expected, as the settlement window closes on 3 July 2026, well after the game’s conclusion.

Sources: 1 · 2 · 3 · 4 · 5

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 Polymarket Scam?, 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 Polymarket Scam?, 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?

Polymarket Scam? 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, Polymarket Scam? triggers a quick verification flow that finishes in minutes.