Houston Astros vs. Kansas City Royals

Platform comparison

Active sub-markets

Market context

The Houston Astros face the Kansas City Royals on 14 June at 2:10PM ET in a regular-season MLB matchup. Polymarket currently prices this contract at 0% YES, indicating the market has assigned negligible probability to an Astros victory. This extreme pricing reflects either a technical issue with the market's liquidity or a consensus view that warrants scrutiny against historical precedent. In MLB regular-season games, even heavily favoured teams rarely command such absolute certainty; the 2019 Houston Astros, despite their 107-win season, still lost roughly 35% of their games. A 0% probability suggests either missing information about roster availability or a liquidity constraint on the platform rather than genuine predictive confidence.

The Astros' recent form and pitching matchup will determine whether this pricing reflects reality. Houston has maintained competitive standing in the AL West, whilst Kansas City has struggled through extended rebuilding phases. Injury reports released in the week preceding the game—particularly regarding starting pitchers or key position players—could substantially shift the conditional token pricing on Polygon. Traders should monitor official MLB roster announcements and pre-game injury reports from both organisations, as these directly influence win probability models used by sophisticated market participants. The settlement window extends to 21 June, allowing for potential postponements or rescheduling, which introduces additional uncertainty beyond the game's outcome itself.

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

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 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK triggers a quick verification flow that finishes in minutes.