Colorado Rockies vs. Athletics

Platform comparison

Active sub-markets

Market context

The Colorado Rockies face the Oakland Athletics on 14 June at 3:05 PM ET in an interleague matchup. Polymarket has priced this contract at 100% YES, indicating the market assigns near-certain probability to a Rockies victory. This extreme pricing reflects the substantial gap in recent performance between the two franchises, though such consensus probabilities warrant scrutiny given the inherent volatility of single-game outcomes and the settlement window extending to 21 June to accommodate potential postponements.

Historical context shows that 100% pricing on baseball games rarely persists through to settlement without movement. The Rockies have maintained a competitive record at Coors Field, whilst the Athletics have endured one of MLB's most difficult seasons in franchise history, with a win-loss differential that ranks among the worst in the league. However, single-game markets frequently see probability shifts as game-day variables emerge—weather conditions at Coors, bullpen availability, and late-season roster adjustments can all influence outcomes that pre-game consensus fails to price accurately.

Traders should monitor pitching announcements in the days preceding the fixture, as starting pitcher matchups materially affect game outcomes. The Athletics' recent roster moves and any injuries to either team's rotation could prompt repricing. Additionally, weather forecasts for Denver on 14 June warrant attention, as Coors Field's altitude and conditions have historically produced unexpected results. The settlement mechanism on Polygon via conditional USDC tokens means resolution depends on official MLB statistics, with tie or cancellation scenarios triggering 50-50 splits—a tail risk worth considering given the extended settlement window.

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 Kalshi UK, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi 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.

Is this market available outside the US?

Kalshi 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.

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'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.

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.