Resolution criteria on PolyGram: This is a market on the KBO baseball game between Kiwoom Heroes and Doosan Bears, scheduled for June 7 at 4:00AM ET. This market will resolve to "Kiwoom Heroes" if the Kiwoom Heroes win the game. This market will resolve to "Doosan Bears" if the Doosan Bears 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. Doosan Bears | 51% YES | 50% NO |
The Kiwoom Heroes face the Doosan Bears in a Korean Baseball Organisation fixture scheduled for 7 June 2026. The current order book on Polymarket reflects a 51% implied probability for a Kiwoom victory, suggesting near-parity between the two sides in trader assessment. With the settlement window closing on 14 June, there remains a week for new information to shift positioning.
Historically, both franchises have maintained competitive rosters within the KBO. The Heroes and Bears have traded regular-season dominance over recent years, with neither holding a decisive structural advantage. Current-season performance metrics—win-loss records, run differential, and recent form—will be the primary anchors for reassessing the 51% probability. Traders should monitor whether either team enters this fixture on a winning or losing streak, as momentum effects in baseball markets typically correlate with modest probability shifts of 3–5 percentage points.
Key catalysts include roster updates or injury announcements in the days before the match, particularly affecting starting pitchers or key position players. Weather conditions at the venue may also influence trading, as the KBO operates in variable June conditions that can favour certain playing styles. Official KBO communications regarding game scheduling or player availability should be tracked through the league's official channels. The settlement mechanism's provision for postponement means traders should monitor any weather warnings or scheduling conflicts that could extend the resolution window.
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. Doosan Bears" 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 $21 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 51%. 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 14 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.
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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