Trade: Colorado Rockies vs. Pittsburgh Pirates
Resolution criteria on PolyGram: In the upcoming MLB game between the Colorado Rockies and Pittsburgh Pirates, scheduled for May 12 at 6:40PM ET: This market will resolve to "Colorado Rockies" if the Colorado Rockies win the game. This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates 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.
- Liquidity
- $18K
- Total Volume
- $4K
- 24h Volume
- $3K
- Open Interest
- $2K
Market outcomes
| Colorado Rockies vs. Pittsburgh Pirates | 28% YES | 73% NO |
| NRFI | 51% YES | 50% NO |
| Spread -1.5 | 57% YES | 43% NO |
| O/U 8.5 | 45% YES | 56% NO |
Market context
The Colorado Rockies face the Pittsburgh Pirates on 12 May at 6:40 PM ET in an early-season National League matchup. The current order book on Polymarket prices a Rockies victory at 28 per cent implied probability, suggesting Pittsburgh enters as the favoured side. This pricing reflects both teams' positioning roughly one month into the 2026 season, when roster composition and early performance trends have begun to crystallise.
Historically, the Rockies' home-field advantage at Coors Field—where this game is scheduled—has provided measurable edge in win probability, typically worth 3–4 percentage points in neutral matchups. However, the Pirates' recent record and pitching depth relative to Colorado's offensive constraints will shape how much that advantage translates. The 28 per cent probability for Colorado suggests the market is pricing in Pittsburgh's superior starting rotation and bullpen depth as primary factors offsetting the home-field benefit.
Traders should monitor roster updates and injury reports in the days preceding the fixture, particularly any changes to starting pitchers or key position players. Weather conditions at Coors Field—notably temperature and wind direction—can materially affect run scoring and thus game outcomes. Additionally, any late-breaking trades or roster moves announced by either franchise in early May could shift the probability, as could recent performance trends in the week immediately before the match. The settlement window extends to 19 May, allowing for postponement resolution should weather interrupt play.
Wikipedia Context
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Colorado RockiesThe Colorado Rockies are an American professional baseball team based in Denver. The Rockies compete in Major League Baseball (MLB) as a member club of the National League (NL) West Division. The team plays its home baseball games at Coors Field, which is located in the Lower Downtown area of Denver. The club is owned by the Monfort brothers.
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Colorado Rockies minor league players
Below is a partial list of minor league baseball players in the Colorado Rockies system and rosters of their minor league affiliates:
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Colorado Rockies (NHL)The Colorado Rockies were a professional ice hockey team in the National Hockey League (NHL) that played in Denver from 1976 to 1982. They were founded as the Kansas City Scouts, an expansion team that began play in the NHL in the 1974–75 season. The Scouts moved from Kansas City, Missouri, to Denver for the 1976–77 season. After six seasons in Denver, the f
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Colorado Rockies all-time roster
The following is a list of players, both past and current, who appeared at least in one game for the Colorado Rockies franchise.
Resolution source
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.
How to trade this market step by step
The mechanics for trading "Colorado Rockies vs. Pittsburgh Pirates" 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.
- Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
- Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
- Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
- Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
- Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
- Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.
How active is this market?
$4K in lifetime turnover and $18K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $3K 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.
Key terms
- YES / NO share
- A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.
- CLOB
- Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.
- Liquidity
- USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.
- UMA optimistic oracle
- The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.
- Slippage
- The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.
- Conditional token
- ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.
Frequently asked questions
How does this market resolve?
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.
When does this market close?
This prediction market is scheduled to close on 19 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.
How can I trade on "Colorado Rockies vs. Pittsburgh Pirates"?
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.
What happens when the market resolves?
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.
Risk and regulatory note
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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