Resolution criteria on PolyGram: In the upcoming J2 100 Year Vision League game between Sagan Tosu and Renofa Yamaguchi FC, scheduled for May 16, 2026 at 1:00 AM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
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
| Sagan Tosu | 49% YES | 51% NO |
| Draw | 49% YES | 51% NO |
| Renofa Yamaguchi FC | 49% YES | 51% NO |
Sagan Tosu will host Renofa Yamaguchi FC in a J2 League fixture on 16 May 2026, with this market settling on the halftime scoreline. The match kicks off at 1:00 AM ET, placing it in Japan's evening window. Current Polymarket order book activity has priced a home halftime win at 49% implied probability, reflecting modest confidence in Sagan Tosu establishing a lead by the interval.
J2 League halftime markets typically reflect the quality differential between sides and their respective attacking patterns. Sagan Tosu, based in Tosu, Saga Prefecture, has historically competed in the upper-mid tier of the second division, whilst Renofa Yamaguchi operates from a smaller prefectural base with more variable league performance. Comparable J2 fixtures between established and peripheral clubs show halftime home wins settling between 45–55% depending on recent form trajectories and home-field advantage weighting.
Traders should monitor team news releases through early May regarding squad availability and any tactical adjustments announced ahead of the fixture. Recent J2 season standings and head-to-head records will clarify whether either side carries momentum into this match. Weather conditions in Saga Prefecture on match day—potentially affecting pitch conditions and play tempo—may influence first-half scoring patterns. The settlement window closes at 05:00 UTC on 16 May, allowing approximately four hours post-match for result confirmation before the market resolves.
This market settles from the official outcome published at https://www.jleague.jp/en/. 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 "Sagan Tosu vs. Renofa Yamaguchi FC - Halftime Result" 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 $109 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.
Resolution is sourced from https://www.jleague.jp/en/. 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 16 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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