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, with settlement occurring a week later on 13 June. The current 100% implied probability for a Mariners victory reflects either incomplete market participation or an expectation of extreme favourability that warrants scrutiny given the standard variance in single-game baseball outcomes.

Historical context suggests such extreme probabilities in MLB markets typically emerge when one team holds a decisive advantage in starting pitching or roster health, or when betting syndicates have concentrated positions. The Mariners and Tigers occupy different competitive tiers—Seattle has consistently fielded playoff-contending rosters in recent seasons whilst Detroit has undergone a rebuild—yet single-game outcomes remain inherently volatile. Even heavily favoured teams lose roughly 30–35% of their games across a season, and the settlement window extends beyond the game itself, creating potential for postponement complications that could affect resolution mechanics.

Traders should monitor pitching assignments in the 48 hours preceding the match, as starter changes or injury announcements frequently shift market expectations materially. Weather forecasts for Detroit in early June and any last-minute roster moves warrant attention. The resolution source is official MLB statistics, though the market's 50-50 tie provision applies only if the game is cancelled without a make-up fixture—a rare occurrence in modern baseball. Current probability levels suggest limited liquidity or one-sided positioning rather than balanced assessment of game-day uncertainty.

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 Prediction Today, 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

Is this market available outside the US?

Prediction Today 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 Prediction Today?

Zero. Prediction Today 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, Prediction Today triggers a quick verification flow that finishes in minutes.