Cleveland Guardians vs. Houston Astros

Platform comparison

Active sub-markets

Market context

The upcoming MLB contest between the Cleveland Guardians and Houston Astros, scheduled for 8:10pm ET on 19 June at Daikin Park, is the real-world event driving this market. The Guardians (40-35) sit second in the AL Central while the Astros (35-41) trail fourth in the AL West, with the game already resolved as a Guardians win on the current 100% YES probability.

Historically, markets locking at 100% before a game concludes are rare in live sports, as injuries or weather usually introduce volatility; comparable cases show such certainty only emerges post-final whistle or when a team is mathematically eliminated. Here, the 100% lock implies the game has finished, yet the settlement window extends to 2026, suggesting a potential data discrepancy or a delayed official confirmation rather than a true pre-game certainty.

Traders should monitor official MLB announcements for game status updates, injury reports, or weather delays that could alter the outcome, especially given the Guardians' recent offensive vulnerability amid injuries [3]. A recent CBS Sports report highlights the Guardians' eagerness for an offensive jolt after losing a key player, which could be a catalyst if the game is still pending [3]. For programmatic approaches, conditional orders should trigger on any deviation from the 100% probability, with copy-trading bots set to follow official final statistics as the primary resolution source.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Cleveland Guardians vs. Houston Astros 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

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

Is this market available outside the US?

Polymarket App 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 does it cost to trade on Polymarket App UK?

Zero. Polymarket App 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 App 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.