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Seattle Mariners vs. Cleveland Guardians

Five-platform snapshot of "Seattle Mariners vs. Cleveland Guardians" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

100% YES 0% NO Volume: $391K Liquidity: $229K 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 Guardians84% Seattle Mariners17% 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

Based on real-money crowd forecasting, seattle mariners vs. cleveland guardians stands at 100% likelihood according to current market consensus. 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 Ma…

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: $391K.

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.
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.
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.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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