Trade: AEK vs. Aris BSA
Resolution criteria on PolyGram: In the upcoming Greek Basketball League game, scheduled for May 14 at 11:15AM ET: If the AEK win, the market will resolve to "AEK". If the Aris BSA win, the market will resolve to "Aris BSA". 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
- $2K
- Total Volume
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- 24h Volume
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- Open Interest
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Market outcomes
| AEK vs. Aris BSA | 69% YES | 32% NO |
Market context
The Greek Basketball League will host AEK against Aris BSA on 14 May at 11:15 AM ET, with settlement occurring by 21 May. The current order book on Polymarket reflects a 69% implied probability for an AEK victory, suggesting the market views them as clear favourites in this matchup. This probability has formed through trading activity across the platform's liquidity pools, with traders pricing in AEK's competitive standing relative to Aris BSA.
AEK Athens and Aris Thessaloniki are established Greek basketball institutions with distinct competitive trajectories. Historically, AEK has maintained stronger regular-season performance and deeper playoff runs within the Greek league structure. The 69% probability aligns with typical market pricing for a favoured team facing a less dominant opponent, though the remaining 31% for Aris reflects the inherent uncertainty in single-game outcomes and the possibility of upset performances in playoff or late-season fixtures.
Traders should monitor team roster announcements, injury reports, and any scheduling changes through official Greek Basketball League communications in the days preceding the match. Late-season form, recent head-to-head records, and playoff positioning will influence trading activity on the order book. The settlement window extends to 21 May to accommodate potential postponements, though cancellation without a make-up game would trigger a 50-50 resolution. Any significant roster changes or coaching decisions announced closer to tip-off could shift the implied probability materially from its current level.
Wikipedia Context
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Athlitiki Enosi Larissa F.C.Athlitiki Enosi Larissa Football Club, often known as AEL or Larissa, and AEL Novibet for sponsorship reasons, is a Greek professional football club based in the city of Larissa, capital of Greece's Thessaly region.
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Athletic Union of LarissaAthlitiki Enosi Larissas , founded in 1964, is a major Greek multi-sports club based in the city of Larissa, capital of Greece's Thessaly region. The club is also known as AEL, or simply Larissa, and its colors are maroon or crimson and white.
Resolution source
This market settles from the official outcome published at https://www.esake.gr/. 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 "AEK vs. Aris BSA" 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 69% YES, you'll receive shares that pay $145 if YES resolves true — a 45% 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 $2K of resting liquidity puts this market in the below the median by volume for sports 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
What is the current probability for "AEK vs. Aris BSA"?
As of today, traders on Polymarket price this outcome at 69%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
How does this market resolve?
Resolution is sourced from https://www.esake.gr/. 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 21 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 "AEK vs. Aris BSA"?
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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