Colorado Rockies vs. Athletics

Platform comparison

Active sub-markets

Market context

The Colorado Rockies travel to Oakland to face the Athletics on 13 June at 10:05PM ET, with Polymarket currently pricing the Rockies' victory at 43% (implying 57% for an Athletics win). This represents a modest favourite position for Oakland despite playing at home, a dynamic worth examining given recent form and roster composition across both franchises.

The Athletics have struggled considerably in recent seasons, finishing 2023 with a 52–110 record and entering 2024 as one of baseball's weakest teams. The Rockies, whilst inconsistent, typically field a more competitive roster and benefit from Coors Field's altitude advantage when at home—though this matchup occurs in Oakland. Historical head-to-head records between these clubs show the Rockies have generally held the upper hand in recent years. The current 57% probability for Oakland suggests the market is pricing in home-field advantage and perhaps some mean reversion, though the Athletics' structural disadvantages remain substantial.

Traders should monitor starting pitcher assignments, which typically release 24–48 hours before first pitch and significantly influence game probabilities in baseball markets. Recent injury reports from both clubs matter considerably; the Rockies' outfield depth and the Athletics' pitching availability will shape offensive and defensive capabilities. Weather conditions at Oakland Coliseum—temperature, wind direction—can affect ball carry distance and scoring patterns. Settlement occurs on 21 June, allowing eight days post-game for official MLB statistics to be recorded and verified on-chain through Polymarket's oracle mechanism.

Methodology

We track Colorado Rockies vs. Athletics on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.