Resolution criteria on PolyGram: This is a market on the KBO baseball game between Kiwoom Heroes and NC Dinos, scheduled for May 15 at 5:30AM ET. This market will resolve to "Kiwoom Heroes" if the Kiwoom Heroes win the game. This market will resolve to "NC Dinos" if the NC Dinos 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: Kiwoom Heroes vs. NC Dinos | 50% YES | 50% NO |
The Kiwoom Heroes face the NC Dinos in a Korean Baseball Organisation fixture scheduled for 15 May at 05:30 ET. The current order book on Polymarket reflects a 50-50 split, indicating genuine uncertainty amongst traders regarding which side will prevail. This even probability suggests neither team commands a clear advantage in market perception at present, though the settlement window extends to 22 May, allowing for late information to shift positions.
Historically, matchups between these two clubs have shown competitive balance, with neither franchise establishing decisive dominance in recent seasons. The Heroes finished third in the 2024 KBO regular season with a 76-66 record, whilst the Dinos placed fourth at 75-67. Head-to-head records between the sides typically reflect the broader league competitiveness, where home-field advantage and current form matter substantially. The 50-50 implied probability aligns with this pattern of relatively even competition when neither team holds obvious momentum.
Traders should monitor roster availability and recent performance trends in the weeks preceding the match. Injury reports, particularly affecting starting pitchers or key offensive contributors, can shift probabilities meaningfully. The KBO's official announcements regarding lineups typically occur closer to game time, but team news cycles often surface earlier. Additionally, the early morning ET kickoff time (05:30) reflects the time zone difference and should be noted for any scheduling implications or weather considerations that might affect play in South Korea.
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: Kiwoom Heroes vs. NC Dinos" 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.
$0 in lifetime turnover and $56 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.
As of today, traders on Polymarket price this outcome at 50%. 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 22 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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