Resolution criteria on PolyGram: This is a market on the KBO baseball game between Kia Tigers and Samsung Lions, scheduled for May 15 at 5:30AM ET. This market will resolve to "Kia Tigers" if the Kia Tigers win the game. This market will resolve to "Samsung Lions" if the Samsung Lions 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: Kia Tigers vs. Samsung Lions | 50% YES | 50% NO |
The Korean Baseball Organisation fixture between Kia Tigers and Samsung Lions on 15 May represents a mid-season matchup in one of Asia's most competitive professional leagues. The 50% implied probability reflected on Polymarket's order book suggests traders currently assess both sides as evenly matched, with the market pricing in uncertainty around team form, injury status, and recent performance trends heading into the contest.
Historical matchups between these franchises show competitive balance, though seasonal context matters considerably. The Tigers and Lions have traded dominance across recent KBO campaigns, with each capable of extended winning runs. Current-season records, recent head-to-head results, and bullpen availability typically drive significant probability shifts in KBO markets. Traders should monitor official KBO injury reports and roster announcements in the fortnight preceding the fixture, as absences of key position players or starting pitchers have historically moved comparable markets by 5–15 percentage points.
The settlement window extending to 22 May accounts for potential postponement due to weather, a material consideration for May fixtures in South Korea. Traders should track KBO official communications and credible Korean sports reporting outlets for lineup confirmations and any scheduling changes. Recent form data—win-loss records over the preceding 10 games and head-to-head records this season—will likely inform order book activity as the match date approaches. The current 50-50 split suggests the market is awaiting additional information before crystallising a directional view.
The KBO League is the highest level professional baseball league in South Korea, consisting of ten teams. The KBO League was founded with six franchises in 1982 and is the most popular sports league in South Korea. The Kia Tigers are the most successful team, having won 12 of the 44 championships.
The KBO League Golden Glove Award is an award given out annually by the Korea Baseball Organization (KBO) to the best overall player at each position in the KBO League. It is also commonly known as the KBO Golden Gloves. The award was established in KBO League's inaugural year in 1982.
The KBO League Most Valuable Player Award is given to the player judged the most valuable player in the Korea Baseball Organization (KBO) League. The most recent winner is Cody Ponce of the Hanwha Eagles.
The KBO League Rookie of the Year Award is given to the player judged the best first-year player in the Korea Baseball Organization (KBO) League. The most recent winner is Ahn Hyun-min of the KT Wiz.
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: Kia Tigers vs. Samsung Lions" 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 $54 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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