Seattle Mariners vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

The Seattle Mariners travel to Detroit for a regular-season matchup against the Tigers on 6 June at 1:10PM ET. Polymarket's conditional token pricing reflects a 97% implied probability favouring the Mariners, with USDC settlement tied to official MLB final statistics. The market remains open through 13 June, accommodating potential postponements, though cancellation or a tied result would trigger 50-50 resolution across both outcomes.

Historical matchups between these franchises provide context for reading this extreme skew. The Mariners have outperformed Detroit consistently in recent seasons, with Seattle's competitive roster typically favoured in head-to-head encounters. When Polymarket prices a single regular-season game at 97%, it generally reflects either significant roster disparities—injured Tigers players, proven Mariners form—or both teams' recent trajectory. The Tigers have struggled relative to AL Central expectations, whilst Seattle has maintained playoff contention, a dynamic that compounds the probability gap beyond what random variation alone would produce.

Traders should monitor roster updates through to game time, particularly injury reports affecting starting pitchers or key position players. Detroit's recent performance trends and any last-minute lineup changes could shift the conditional token valuation, though the 97% threshold suggests the market has already priced in most known variables. Weather conditions at Comerica Park and bullpen availability merit attention, as do any schedule-related announcements from MLB that might affect the settlement window's closure on 13 June.

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 UK, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Polymarket UK 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's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket UK?

Zero. Polymarket UK 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, Polymarket UK triggers a quick verification flow that finishes in minutes.