Trade: Gwangju FC vs. FC Seoul
Resolution criteria on PolyGram: This event is for the upcoming K-League game, scheduled for Tuesday, May 12, 2026 between Gwangju FC and FC Seoul.
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
- $266K
- Total Volume
- $9K
- 24h Volume
- $7K
- Open Interest
- $7K
Market outcomes
| Gwangju FC | 11% YES | 90% NO |
| Draw (Gwangju FC vs. FC Seoul) | 20% YES | 81% NO |
| FC Seoul | 70% YES | 31% NO |
Market context
Gwangju FC will travel to face FC Seoul in a K-League regular season fixture on Tuesday, 12 May 2026. The current order book on Polymarket reflects an 11% implied probability for a Gwangju victory, pricing the away side as substantial underdogs in what traders are treating as a Seoul-favoured matchup.
Gwangju FC has historically struggled in away fixtures against Seoul, with the capital club maintaining a stronger record in head-to-head encounters over recent seasons. Seoul's home advantage at the Seoul World Cup Stadium compounds this dynamic; the venue typically favours the hosts. However, K-League form can shift considerably across a season, and mid-May positioning often reflects cumulative performance rather than isolated fixture strength. Comparable away underdogs priced at 11% in Korean football markets have occasionally delivered value when the favourite enters a fixture with injury concerns or poor recent form, though such outcomes remain outliers.
Traders should monitor team news releases and official K-League injury bulletins in the weeks preceding the match, particularly regarding Seoul's defensive or midfield availability. Gwangju's recent league position and goal-scoring record will signal whether the 11% probability adequately reflects their attacking capability. Seoul's fixture congestion—whether they face European or continental competition in the preceding week—could materially affect squad rotation decisions. Weather conditions on match day, historically relevant for away teams in Seoul, warrant attention as the settlement window approaches.
Wikipedia Context
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Gwangju FCGwangju FC is a South Korean professional football club based in Gwangju that competes in the K League 1, the top tier of South Korean football. They joined the K League in the 2011 season.
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Gwangju UprisingThe Gwangju Uprising, also known in South Korea as May 18 Democratization Movement, was a series of student-led demonstrations that took place in Gwangju, South Korea, in May 1980, against the coup of Chun Doo-hwan. The uprising was violently suppressed by the South Korean military with the approval and logistical support of the United States under Carter ad
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Gwangju Student Independence Movement
The Gwangju Student Independence Movement, or Gwangju Student Movement, was a protest in Gwangju between October and November 1929 against the Japanese occupation of Korea. It is considered the second-most important Korean independence movement in the period of the Japanese Occupation of Korea, with the March 1st Movement considered the most important rebell
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Gwangju Institute of Science and TechnologyThe Gwangju Institute of Science and Technology (GIST) is a public research university and institute of technology that was established in 1993 by a legislative act of the National Assembly of the Republic of Korea with its primary purpose to advance national science and technology through education, research, and international and industrial cooperation.
Resolution source
This market settles from the official outcome published at https://www.kleague.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 "Gwangju FC vs. FC Seoul" 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?
$9K in lifetime turnover and $266K of resting liquidity puts this market in the below the median 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 $7K 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.kleague.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 12 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 "Gwangju FC vs. FC Seoul"?
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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