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Seattle Mariners vs. Cleveland Guardians

How the prediction-market book is pricing "Seattle Mariners vs. Cleveland Guardians" right now, with a side-by-side platform comparison and zero-fee CTAs.

100% YES 0% NO Volume: $431K Liquidity: $29K Closes: 3 Jul 2026
Trade on PolyGram →
Seattle Mariners vs. Cleveland Guardians

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
PolyGram Pick
polygram.ink
 100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on PolyGram →
Polymarket
polymarket.com
 100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on PolyGram →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open on PolyGram →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open on PolyGram →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open on PolyGram →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.

Active sub-markets

NRFI100% YES0% NO
Seattle Mariners vs. Cleveland Guardians93% Seattle Mariners8% Cleveland Guardians
1st 5 Innings Spread -1.50% Cleveland Guardians100% Seattle Mariners
1st 5 Innings Spread -1.50% Seattle Mariners100% Cleveland Guardians
1st 5 Innings Spread -2.50% Cleveland Guardians100% Seattle Mariners
1st 5 Innings Spread -2.50% Seattle Mariners100% Cleveland Guardians

Market context

Seattle Mariners vs. Cleveland Guardians — current market-implied probability: 100%. In the upcoming MLB game between the Seattle Mariners and Cleveland Guardians, scheduled for June 26 at 7:10PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game.…

Live Data & Statistics

The Polymarket order book signals 100% probability for "Seattle Mariners vs. Cleveland Guardians".

YES 100% NO 0%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $431K.

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.
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.
Priya SharmaPriya SharmaCrypto & DeFi AnalystandAlex ChenAlex ChenPrediction Market Analyst

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