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Seattle Mariners vs. Athletics

On-chain snapshot for "Seattle Mariners vs. Athletics" — live Polygon order book, USDC settlement, platform comparison.

50% YES 50% NO Volume: $406K Liquidity: $613K Closes: 3 Jun 2026
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Seattle Mariners vs. Athletics

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
BTC Prediction Pick
polygram.ink
 50% 50% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on BTC Prediction →
Polymarket
polymarket.com
 50% 50% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on BTC Prediction →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open on BTC Prediction →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open on BTC Prediction →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open on BTC Prediction →

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 BTC Prediction.

Active sub-markets

Seattle Mariners vs. Athletics50% YES51% NO
NRFI55% YES46% NO
Spread -1.539% YES62% NO
O/U 9.549% YES52% NO
Spread -3.518% YES83% NO
Spread -2.524% YES76% NO

Market context

The Seattle Mariners vs. Athletics prediction market currently prices this outcome at 50% YES. In the upcoming MLB game between the Seattle Mariners and Athletics, scheduled for May 26 at 9:40PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This mark…

Live Data & Statistics

The Polymarket order book signals 50% probability for "Seattle Mariners vs. Athletics".

YES 50% NO 50%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $406K.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?
On BTC Prediction, 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?
BTC Prediction 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 BTC Prediction?
Zero. BTC Prediction 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, BTC Prediction triggers a quick verification flow that finishes in minutes.
James WilliamsJames WilliamsPrediction Market AnalystandDavid ParkDavid ParkSports Data Analyst

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