Resolution criteria on PolyGram: This market will resolve to "Yes" if it is announced that Katy Perry and Justin Trudeau are engaged to be married by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". If it is announced that Perry and Trudeau have married, it will qualify for a "Yes" resolution. The primary resolution source for this market will be information from Katy Perry and/or Justin Trudeau or one of their official representatives, however a consensus of credible reporting will 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
| Katy Perry and Justin Trudeau engaged by end of 2026? | 28% YES | 72% NO |
The market concerns whether Canadian Prime Minister Justin Trudeau and American pop singer Katy Perry will announce an engagement or marriage by the end of 2026. As of now, there is no public record of a romantic relationship between the two figures. Trudeau was married to Sophie Grégoire Trudeau until their separation announcement in August 2023; they have three children together. Perry has been in a long-term relationship with actor Orlando Bloom since 2016 and they share a daughter born in 2020. The current order book implies a 28% probability of engagement or marriage within the settlement window.
Celebrity engagement predictions typically anchor to observable relationship status and public appearances. Historical comparable markets on unexpected celebrity pairings—particularly those involving public figures from different countries and professional spheres with no documented connection—have generally resolved negatively. The baseline rate for such outcomes remains low, though markets occasionally price in low-probability scenarios where limited public information exists.
Traders monitoring this market should track any official statements from either party's representatives, social media activity, or credible reporting from entertainment and political news outlets. Trudeau's political calendar, including potential federal election timing and leadership questions within the Liberal Party, represents a contextual factor. Perry's touring schedule and public commitments would similarly influence the feasibility of any relationship development. The absence of any reported connection between the two as of late 2024 means traders are essentially pricing in the emergence of a relationship from zero visibility within approximately two years.
Katheryn Elizabeth Hudson, known professionally as Katy Perry, is an American singer, songwriter, and television personality. Known for her influence on pop music and her camp style, she has been dubbed the "Queen of Camp" by Vogue and Rolling Stone.
The American singer Katy Perry has released seven studio albums, one reissue, seven extended plays (EP), 42 singles, and 13 promotional singles. According to the Recording Industry Association of America (RIAA), Perry is the fourteenth top digital singles artist in the United States, with 121.5 million digital singles and 19 million album units. As of July 2
The American singer Katy Perry has released two video albums and has appeared in various music videos, films, television shows, and television commercials. After appearing in various music videos between 2005 and 2007, including "Goodbye for Now" and "Cupid's Chokehold", a video for "Ur So Gay" was released to introduce her to the music industry. In 2008, sh
Katy Perry: Part of Me is a 2012 American 3D autobiographical documentary concert film about Katy Perry. It was directed by Dan Cutforth and Jane Lipsitz and released in the United States, Canada, the UK and Ireland on July 5, 2012. The film follows Perry through her California Dreams Tour while providing an insight into the singer's journey through stardom
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.
The mechanics for trading "Katy Perry and Justin Trudeau engaged by end of 2026?" 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.
$38K in lifetime turnover and $3K of resting liquidity puts this market in the around the median by volume for pop culture contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
Last 24 hours alone saw $16 in turnover, consistent with the market's lifetime daily-average pace.
The market has been open for 5 months — the price has had time to stabilise as new information arrived.
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 28%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
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 31 December 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.
Explore more prediction market odds and trading opportunities on PolyGram: