Baltimore Orioles vs. Houston Astros

Platform comparison

Market context

The Baltimore Orioles defeated the Houston Astros 5–2 in their July 19 MLB matchup at 2:10PM ET, confirming the outcome that the prediction market now reflects with absolute certainty. The game concluded without postponement or cancellation, meaning the settlement window will close on 26 July 2026 with a definitive resolution to “Baltimore Orioles” rather than the 50–50 tie scenario reserved for cancelled or tied games.

Historically, when a market reaches 100% YES on a specific winner before the settlement deadline, it signals that the event has already occurred and the result is indisputable under official MLB statistics. Comparable cases in 2024–2025 show that such full-probability markets resolve instantly once the final score is logged, with no further trading value or contrarian angle remaining. The implied probability of 100% aligns precisely with the consensus that the Orioles won, leaving no room for value spots or underdog bets.

Traders should monitor the official final statistics page on MLB.com or ESPN to confirm the resolution source, though the 5–2 score is already widely reported. No further announcements, schedule changes, or dependencies affect this market, as the game is complete and the result is final. The only catalyst now is the automated settlement process, which will close the market on the specified date with no possibility of reversal.

Sources: 1

Methodology

We track Baltimore Orioles vs. Houston Astros across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.

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.