Trade: Winnipeg Blue Bombers vs. Calgary Stampeders
Resolution criteria on PolyGram: In the upcoming CFL game between the Winnipeg Blue Bombers and Calgary Stampeders, scheduled for June 5 at 9:00PM ET: This market will resolve to "Winnipeg Blue Bombers" if the Winnipeg Blue Bombers win the game. This market will resolve to "Calgary Stampeders" if the Calgary Stampeders 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, this market will resolve 50-50. The result will be determined based on the final score including any overtime periods.
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
- $48
- Total Volume
- —
- 24h Volume
- —
- Open Interest
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Market outcomes
| Winnipeg Blue Bombers vs. Calgary Stampeders | 50% YES | 50% NO |
| Spread -1.5 | 50% YES | 50% NO |
| O/U 47.5 | 49% YES | 51% NO |
Market context
The Canadian Football League matchup between Winnipeg Blue Bombers and Calgary Stampeders takes place on 5 June at 9:00PM ET, with settlement occurring by 13 June. The current order book on Polymarket reflects a 50-50 split, indicating traders perceive near-parity between the two franchises. This even probability suggests the market has not yet incorporated decisive information favouring either side, or that genuine competitive balance exists heading into the fixture.
Historically, the Blue Bombers and Stampeders represent two of the CFL's most consistently competitive organisations. Winnipeg won the Grey Cup in 2019 and 2021, whilst Calgary has been a perennial playoff contender with strong regular-season performances. Head-to-head records between these clubs typically reflect close contests, with outcomes often determined by injury status, special teams execution, and weather conditions at IG Field or McMahon Stadium. The 50-50 implied probability aligns with this pattern of competitive parity.
Key variables traders should monitor include roster availability announcements in the week preceding the match, particularly regarding starting quarterbacks and defensive depth. Weather forecasts for Winnipeg will matter significantly given the Blue Bombers' home-field advantage. Recent CFL injury reports and any last-minute coaching adjustments warrant attention. Additionally, team momentum from their most recent contests—wins or losses in the preceding weeks—often shifts market perception in the final days before kickoff. The settlement window extends several days past the scheduled date to accommodate any postponement scenarios.
Wikipedia Context
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Winnipeg Blue BombersThe Winnipeg Blue Bombers are a professional Canadian football team based in Winnipeg. The Blue Bombers compete in the Canadian Football League (CFL) as a member club of the league's West division. They play their home games at Princess Auto Stadium.
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Winnipeg Blue Bombers all-time records and statistics
The following is a list of Winnipeg Blue Bombers all-time records and statistics current to the 2025 CFL season. Each category lists the top five players, where known, except for when the fifth place player is tied in which case all players with the same number are listed.
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Winnipeg BluesThe Winnipeg Blues are a Manitoba Junior Hockey League team based in Oak Bluff, a suburban area of Winnipeg, Manitoba, Canada. The team was founded in 1930 as the Winnipeg Monarchs and also formerly known as the Fort Garry Blues (1978-1984) and Winnipeg South Blues (1984-2010).
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List of Winnipeg Blue Bombers head coaches
The Winnipeg Blue Bombers are a professional Canadian football team based in Winnipeg, Manitoba, and are members of the West Division in the Canadian Football League (CFL). The club was founded in 1930 as the Winnipeg Rugby Club and began as a member of the Manitoba Rugby Football Union. They were a founding member of the CFL when it was formed in 1958. The
Resolution source
This market settles from the official outcome published at https://www.cfl.ca/. 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 "Winnipeg Blue Bombers vs. Calgary Stampeders" 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.
- 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?
$0 in lifetime turnover and $48 of resting liquidity puts this market in the below the median by volume for american football contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
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.cfl.ca/. 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 13 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.
How can I trade on "Winnipeg Blue Bombers vs. Calgary Stampeders"?
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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