Seattle Mariners vs. Detroit Tigers

Platform comparison

Active sub-markets

Market context

The Seattle Mariners travel to Detroit on 7 June for a regular-season matchup against the Tigers, with first pitch at 1:40 PM ET. The settlement window closes on 14 June at 17:40 UTC, allowing for postponements or rescheduled games within that seven-day window. The 0% implied probability reflects either minimal trading activity or a technical artefact of low liquidity; comparable MLB regular-season matchups typically see meaningful two-way action once deposit flows stabilise on the platform.

Historical precedent suggests mid-June divisional games between AL Central and AL West clubs attract modest but steady volume once traders have cleared payment rails. The Mariners' 2024 season trajectory and Tigers' recent form will anchor fundamental positioning, though the current book depth appears constrained by on-ramp friction—traders depositing via SEPA, Klarna, or USDC settlement often wait 24–48 hours before capital reaches trading accounts, delaying position entry until closer to game time. This lag typically compresses probability estimates in the final 48 hours.

Watch for roster announcements, weather delays affecting travel, or injury updates to key batters or pitchers in the days preceding the fixture. Recent ESPN and MLB.com coverage will flag any lineup changes or bullpen adjustments. Withdrawal rails and deposit confirmation speeds will determine when meaningful two-way trading emerges; markets with faster USDC settlement or direct SEPA rails historically show earlier probability discovery than those relying on Klarna's staggered funding model.

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 Deposit 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

Where can I trade this market with the lowest fees?

On Polymarket Deposit UK, 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.

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 Deposit UK?

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