Resolution criteria on PolyGram: This is a market on the KBO baseball game between Kiwoom Heroes and NC Dinos, scheduled for May 16 at 4:00AM 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 regular-season KBO matchup scheduled for 16 May at 4:00 AM ET. The current order book on Polymarket reflects a 50-50 split, indicating the market perceives this as a genuine toss-up between two competitive sides. With a settlement window extending to 23 May, traders have a week to adjust positions as new information emerges.
Both franchises have demonstrated competitive consistency in recent seasons, making historical head-to-head records a useful baseline. The Heroes and Dinos have split meetings fairly evenly over the past three years, with neither side establishing clear dominance. The 50% implied probability aligns with this parity; neither team carries the structural advantages that would typically skew a matchup decisively. Recent KBO standings and win-loss records should be cross-referenced to assess whether either side has momentum entering this fixture.
Key variables for traders centre on roster availability and pitching matchups. Starting pitcher announcements, typically confirmed 48 hours before game time, often shift market probabilities materially—a top-tier starter can move odds by 5-10 percentage points. Weather conditions at the stadium and any late injury reports will also influence the order book. Traders should monitor official KBO communications and Korean sports outlets for lineup confirmations and any scheduling changes, particularly given the early morning ET start time which may affect liquidity and information flow on Western-based prediction markets.
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 $57 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 23 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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