Resolution criteria on PolyGram: This market will resolve to "Khaos Williams" if Khaos Williams is officially declared the winner of the fight against Nikolay Veretennikov at UFC Fight Night: Allen vs. Costa, scheduled for May 16, 2026. It will resolve to "Nikolay Veretennikov" if Nikolay Veretennikov is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond May 30, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.
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
| Khaos Williams vs. Nikolay Veretennikov | 52% YES | 49% NO |
| Fight to Go the Distance? | 50% YES | 50% NO |
| Fight won by KO/TKO? | 50% YES | 50% NO |
| Williams to win by KO/TKO? | 50% YES | 50% NO |
| Veretennikov to win by KO/TKO? | 50% YES | 50% NO |
| Fight won by submission? | 50% YES | 50% NO |
| O/U 0.5 Rounds | 51% YES | 50% NO |
| O/U 1.5 Rounds | 65% YES | 36% NO |
Khaos Williams and Nikolay Veretennikov are scheduled to compete in a welterweight preliminary bout at UFC Fight Night: Allen vs. Costa on 16 May 2026. The market currently reflects a 52% implied probability for Williams, suggesting near-parity between the fighters on Polymarket's order book. Settlement occurs shortly after the event concludes, with the resolution window closing on 17 May at 03:59 UTC, allowing minimal time for post-fight clarifications or appeals.
Williams, a welterweight with a record of aggressive striking and knockout power, has competed primarily in regional promotions before UFC appearances, whilst Veretennikov represents the Eastern European contingent of the welterweight division with a more measured technical approach. Historical UFC preliminary bouts at this weight class show high variance in outcomes, with striking-heavy matchups favouring the fighter who controls distance and timing. The current crowd probability reflects genuine uncertainty rather than a clear technical or stylistic advantage for either competitor.
Traders should monitor official UFC weigh-in results on 15 May, which confirm both fighters made weight and the bout proceeds as scheduled. Any late injury announcements or replacement fighters would trigger a resolution to 50-50 under the market's terms. Recent UFC scheduling has remained stable through 2026, though preliminary bouts occasionally shift card placement. The settlement window's tight closure means live-fight monitoring is essential, as judges' scorecards in potential decision outcomes must be officially confirmed before market resolution.
This market settles from the official outcome published at https://www.ufc.com/events. 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 "UFC Fight Night: Khaos Williams vs. Nikolay Veretennikov (Welterweight, Prelims)" 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.
$6K in lifetime turnover and $26K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $6K in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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.ufc.com/events. 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 17 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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