Resolution criteria on PolyGram: In the upcoming MLB game between the Colorado Rockies and Philadelphia Phillies, scheduled for May 10 at 1:35PM ET: This market will resolve to "Colorado Rockies" if the Colorado Rockies win the game. This market will resolve to "Philadelphia Phillies" if the Philadelphia Phillies 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
| Colorado Rockies vs. Philadelphia Phillies | 2% YES | 98% NO |
| NRFI | 100% YES | 0% NO |
| Spread -5.5 | 71% YES | 29% NO |
| O/U 10.5 | 52% YES | 48% NO |
| Spread -6.5 | 50% YES | 51% NO |
| O/U 11.5 | 44% YES | 56% NO |
| O/U 12.5 | 33% YES | 68% NO |
| Spread -2.5 | 91% YES | 10% NO |
The Colorado Rockies face the Philadelphia Phillies on 10 May at 1:35 PM ET in an MLB regular-season matchup. Current order book pricing on Polymarket reflects a 2% implied probability for a Rockies victory, with the Phillies heavily favoured at the corresponding inverse. This pricing emerges from the aggregate of live bids and offers on the platform, where traders are pricing in fundamental matchup factors and recent form.
The Phillies enter as clear favourites given their stronger 2024 roster composition and recent performance trajectory. The Rockies, historically one of baseball's weaker franchises, have struggled consistently in recent seasons. When examining comparable MLB matchups where one team carries a 2% win probability, such outcomes typically reflect either a significant talent gap, home-field advantage heavily favouring the favourite, or both. The Rockies' road record and bullpen reliability relative to Philadelphia's established starting rotation contribute to this wide probability spread.
Traders should monitor roster announcements through to game time, particularly any injury updates affecting starting pitchers or key position players. Weather conditions at Citizens Bank Park in Philadelphia can influence play, particularly wind direction affecting fly balls. Recent performance trends—win streaks, bullpen usage patterns, and head-to-head historical records—may shift market pricing if new information surfaces before the 17 May settlement window closes. The settlement mechanism accounts for postponement scenarios, remaining open until completion, though cancellation would trigger a 50-50 split resolution.
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 "Colorado Rockies vs. Philadelphia Phillies" are the same as any other PolyGram sporting 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.
$459K in lifetime turnover and $399K of resting liquidity puts this market in the top 10% by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $459K in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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 17 May 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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