Resolution criteria on PolyGram: This is a market on the KBO baseball game between Hanwha Eagles and Kiwoom Heroes, scheduled for May 13 at 5:30AM ET. This market will resolve to "Hanwha Eagles" if the Hanwha Eagles win the game. This market will resolve to "Kiwoom Heroes" if the Kiwoom Heroes 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 will be official information from the KBO. A consensus of credible reporting may also be used.
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
| KBO: Hanwha Eagles vs. Kiwoom Heroes | 55% YES | 45% NO |
The Hanwha Eagles face the Kiwoom Heroes in a Korean Baseball Organisation fixture scheduled for 13 May at 5:30 AM ET, with settlement occurring by 20 May. The current order book on Polymarket reflects a 55% implied probability for an Eagles victory, suggesting modest favouritism despite the matchup's competitive nature within the KBO's regular season structure.
Historical performance between these clubs provides context for evaluating the current probability. The Eagles and Heroes have maintained relatively balanced records in recent seasons, with neither club establishing decisive dominance. The Eagles' home-field advantage, should this game occur at their venue, typically correlates with a 3–5 percentage point win probability boost in KBO matchups. Recent form matters considerably; teams entering May with strong April records tend to sustain momentum, though injury status and roster depth fluctuations can shift competitive balance substantially within the KBO's compressed schedule.
Traders should monitor roster announcements and injury reports from both organisations in the days preceding the fixture, as the KBO frequently adjusts lineups based on player availability. Weather conditions at the scheduled venue may also influence play, particularly given the early morning ET timing suggests a Korean afternoon slot where spring weather patterns can affect ball flight. Official KBO communications regarding any scheduling changes or postponements will be critical, as the settlement window extends to 20 May to accommodate potential rescheduling. Current market pricing at 55% suggests moderate confidence in the Eagles without overwhelming conviction.
Ramin Kohankhaki is an Iranian nurse, Certified first responder, humanitarian and author. He received the Florence Nightingale Medal in 2015 for her work in nursing.
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Kohanshahr-e Sofla is a village in Najafabad Rural District, in the Central District of Sirjan County, Kerman Province, Iran. At the 2006 census, its population was 108, in 24 families.
This market settles from the official outcome published at https://www.koreabaseball.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 "KBO: Hanwha Eagles vs. Kiwoom Heroes" 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.
$87 in lifetime turnover and $11K 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.
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.
As of today, traders on Polymarket price this outcome at 55%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.koreabaseball.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 20 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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