Resolution criteria on PolyGram: In the upcoming MLB game between the Baltimore Orioles and Toronto Blue Jays, scheduled for June 7 at 1:37PM ET: This market will resolve to "Baltimore Orioles" if the Baltimore Orioles win the game. This market will resolve to "Toronto Blue Jays" if the Toronto Blue Jays win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Baltimore Orioles vs. Toronto Blue Jays | 50% YES | 50% NO |
| NRFI | 51% YES | 49% NO |
The Baltimore Orioles travel to Toronto to face the Blue Jays on 7 June at 1:37 PM ET, with the settlement window closing on 14 June. The current order book on Polymarket reflects a 50-50 split, indicating the market perceives this matchup as a genuine toss-up between the two American League East rivals.
Historical matchups between these clubs show competitive balance, though context matters considerably. The Orioles have strengthened their roster in recent seasons and made the playoffs in 2023, whilst the Blue Jays remain a perennial contender despite roster adjustments. Head-to-head records in June typically favour neither side decisively, and single-game outcomes in baseball carry inherent volatility that resists strong directional pricing.
Traders should monitor starting pitcher assignments, which typically become confirmed 24–48 hours before game time and can shift probabilities materially depending on recent form and injury status. Weather conditions at Rogers Centre—particularly wind direction affecting fly ball carry—warrant attention given the venue's characteristics. Any late roster moves or injury announcements from either club could trigger order book repricing. The 50-50 probability suggests the market lacks conviction on either side, a common state for regular-season divisional matchups where both teams possess comparable talent depth and neither holds a clear statistical edge entering June.
The Baltimore Orioles are an American professional baseball team based in Baltimore. The Orioles compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. As one of the American League's eight charter teams in 1901, the franchise spent its first year as a major league club in Milwaukee as the Milwaukee Brewers before
Below are select minor league players and the rosters of the minor league affiliates of the Baltimore Orioles:
The Baltimore Orioles were a 19th-century professional baseball team that competed from 1882 to 1899, first in the American Association and later in the National League. This early Orioles franchise, which featured six players and a manager who were later inducted to the National Baseball Hall of Fame, finished in first place for three consecutive seasons (1
The Baltimore Orioles were a Major League Baseball team that played in Baltimore from 1901 to 1902. A charter member of the American League (AL), the team only lasted two seasons before folding after the 1902 season. The team was replaced the following season with the New York Highlanders, known since 1913 as the New York Yankees.
This market settles from the official outcome published at https://www.mlb.com/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "Baltimore Orioles vs. Toronto Blue Jays" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$0 in lifetime turnover and $20K of resting liquidity puts this market in the below the median by volume for mlb contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is sourced from https://www.mlb.com/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 14 June 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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