Washington Nationals vs. Baltimore Orioles

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Active sub-markets

Market context

The underlying real-world event is an MLB game between the Washington Nationals and the Baltimore Orioles, scheduled for 7:05pm ET on 26 June at Camden Yards in Baltimore, where the Orioles defeated the Nationals 3-1 in the opening contest of this series[2]. This match-up forms part of the Beltway Series, with James Wood leading the Nationals after a strong 9-for-20 record at this venue, while Trevor Rogers, who has faced the Nationals 11 times, anchors the Orioles' pitching[6].

Historical precedents in MLB prediction markets show that when a team wins the first game of a short series with a dominant pitching performance, the crowd-implied probability for that team in the subsequent game often skews heavily, yet remains vulnerable to late-lineup changes or bullpen fatigue[2]. Comparable cases from the 2024 and 2025 seasons reveal that a 0% probability for the losing side in a follow-up game is frequently a market overreaction to the previous result, as bullpen usage and starting pitcher recovery rates often reset the competitive balance before the next pitch[4].

Traders should monitor the official starting lineups released two hours before the game, the status of the Orioles' bullpen after the 3-1 victory, and any weather updates for Camden Yards, as these are the primary catalysts for probability shifts[5]. Recent coverage from ESPN confirms the final score and key player performances, but the live score for the 27 June game remains the critical dependency for real-time market adjustments[2]. Regarding accessibility, German GlüStV implications and US CFTC reach define the regulatory perimeter, while the 'no-KYC up to $1,500' threshold allows traders to access this specific market without identity verification, provided their total exposure stays within that limit, though this does not constitute legal advice on compliance obligations.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?

PolyGram 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 does it cost to trade on PolyGram?

Zero. PolyGram 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.

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.