Trade the outcome below — no house edge, instant USDC settlement on Polygon
Resolution criteria on PolyGram: FIFA has confirmed that the first World Cup halftime show will take place at the FIFA World Cup Final on July 19, 2026 at MetLife Stadium in New Jersey. The show will be produced by Global Citizen. This market will resolve to "Yes" if the listed individual performs live and in person at the 2026 FIFA World Cup Final halftime show on July 19, 2026. Otherwise, this market will resolve to "No". A qualifying performance includes any live appearance during the halftime show, including guest appearances, even if the artist does not perform a full set. If this event is cancelled, postponed, or rescheduled beyond September 30, 2026, 11:59PM ET, this market will resolve to "No".
Real-money prediction markets aggregate live odds from thousands of traders, surfacing a sharper probability than any single forecast. Current odds favour the NO side at 6%, making this a high-confidence market with 48 days to resolution — long enough that information asymmetry can still move the line meaningfully, backed by $163K of resting liquidity.
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
| Harry Styles | 6% YES | 95% NO |
| Chappell Roan | 5% YES | 95% NO |
| SZA | 4% YES | 96% NO |
| Nicki Minaj | 4% YES | 96% NO |
| Sam Smith | 3% YES | 97% NO |
| Myke Towers | 3% YES | 97% NO |
| Ozuna | 4% YES | 96% NO |
| Peso Pluma | 5% YES | 96% NO |
FIFA has confirmed that the 2026 World Cup Final halftime show will take place on 19 July at MetLife Stadium in New Jersey, produced by Global Citizen. The market is pricing the probability that Taylor Swift performs at this event at 7% based on current order book activity on Polymarket. This represents a relatively modest implied probability despite Swift's status as one of the world's highest-profile entertainers and her recent high-profile attendance at NFL events.
Historical precedent suggests caution in extrapolating from past World Cup halftime selections. The 2022 Qatar final featured Shakira, whilst 2018 saw The Weeknd perform in Russia—both established global acts but neither commanding Swift's contemporary cultural dominance. However, World Cup halftime shows typically feature artists with broad international appeal and established touring infrastructure. Swift's touring commitments through 2024 and into 2025 will be material; her Eras Tour concludes in December 2024, leaving a substantial window before July 2026, though her scheduling preferences remain unpredictable.
Key catalysts for traders include any official FIFA announcement regarding the halftime performer, expected sometime in 2025 or early 2026. Swift's public statements about touring plans, festival appearances, or other major commitments during this period could shift market expectations. Global Citizen's involvement may signal preference for artists aligned with their advocacy priorities, though this remains speculative. The current 7% probability reflects genuine uncertainty rather than consensus dismissal of the possibility.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
For this market, the resolution date is 19 July 2026. A UMA proposer can submit the outcome from that moment; the two-hour dispute window closes at , and assuming no counter-claim is staked, winning USDC clears to trader balances by approximately .
If a dispute is filed inside the two-hour window, the outcome escalates to UMA token-holder voting, which extends settlement by roughly 48 hours. This particular market has no public resolution feed listed; disputes here are more likely if the underlying outcome is subject to interpretation, in which case the UMA token-vote arbitrates the wording of the original market question.
Withdrawal pace from your PolyGram balance is non-custodial and immediate — once payout clears, funds are yours to send to any Polygon wallet you control. Funds clear directly to your in-app USDC balance on Polygon. Withdrawals are non-custodial: send to any address you control, typical confirmation under 30 seconds, gas paid in USDC if you'd rather not hold MATIC.
Minimum order size on PolyGram is $1.00, with no maximum cap aside from available book depth. Orders route into Polymarket's on-chain CLOB on Polygon; the matching engine pairs YES buyers with NO buyers atomically — every executed trade is settled on-chain with no counterparty risk. For "Who will perform at World Cup halftime show?", order-book behaviour for this market reflects the underlying volatility of the outcome — patient limit orders typically fill closer to mid than market orders.
The trade ticket includes a slippage box (default 2%, configurable 0.1%-10%) that caps the worst-case entry price. Your maximum loss is your stake — winning YES (or NO) shares pay $1.00 each at resolution. With this market's current book depth ($163K of resting liquidity), a $500 order should fill with single-cent slippage at the displayed mid-price.
PolyGram charges 0% house edge — no spread mark-up, no rake on winnings, no withdrawal fees beyond network gas. The platform earns exclusively from optional features (copy-trade boosts, advanced order types, the yield vault on idle USDC); the trading surface itself is at-cost.
The mechanics for trading "Who will perform at World Cup halftime show?" are the same as any other PolyGram 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.
$33K in lifetime turnover and $163K of resting liquidity puts this market in the around the median by volume for taylor swift contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $10K 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 around 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 handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 19 July 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. For "Who will perform at World Cup halftime show?", the considerations above apply directly — Trade size should reflect the binary nature of the payoff: even a 70% probability event resolves NO 30% of the time, so any single position can lose 100% of staked capital.
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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