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Prediction Markets Update: Kalshi Odds Shift on World Cup, iPhone 18, IPOs and More

Prediction markets saw major shifts this week as Spain rose in World Cup odds, Apple’s iPhone 18 launch faced delays and Shein surged in IPO predictions.
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John Cole Dileva Avatar
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Prediction markets continue tracking some of the biggest stories in sports, technology, entertainment and global affairs, with traders reacting in real time as new information emerges.

This week’s biggest moves span the FIFA World Cup final, Apple’s iPhone 18 release timeline, Christopher Nolan’s “The Odyssey”, global shipping through the Strait of Hormuz and the race among private companies to announce an IPO.

While some markets have moved gradually, others have shifted dramatically over the past week. Spain has emerged as the favorite to reach the World Cup final, Shein has overtaken the IPO leaderboard, and traders continue pricing in a delayed rollout for Apple’s next iPhone generation. Meanwhile, optimism surrounding “The Odyssey” remains strong despite the film still being months away from release.

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Traders continue raising expectations for ‘The Odyssey’

Entertainment markets remain one of Kalshi’s fastest-growing categories, and Christopher Nolan’s “The Odyssey” continues attracting significant attention ahead of its July 2026 release.

Kalshi’s forecast currently projects a 93.1% Rotten Tomatoes score, reflecting continued confidence that the film will earn widespread critical acclaim.

Among the most active contracts, traders now assign a 62% chance the movie finishes above 92% on Rotten Tomatoes and a 53% chance it exceeds 93%. More than $1.26 million has traded across the market, underscoring growing interest despite reviews still being months away.

The recent climb suggests traders remain optimistic about Nolan’s latest project, though sentiment will likely become more volatile once early critic reactions begin appearing.

Prediction markets continue pricing iPhone 18 launch

Apple’s next iPhone release cycle remains one of the most closely watched technology markets on Kalshi.

Traders currently assign just an 11% chance Apple releases the iPhone 18 before October 2026, while the probability of launching before 2027 sits at 16%. In other words, the market gives the company roughly an 84% chance of delaying at least part of the lineup until 2027.

More than $831,000 has traded on the contract as reports continue suggesting Apple may split its release schedule by launching Pro models first before introducing standard models several months later.

Until Apple formally announces its plans, the market will likely remain sensitive to supply-chain reports and credible industry leaks.

Spain emerges as the favorite World Cup finalist

With the tournament nearing its conclusion, the World Cup final matchup market has shifted dramatically.

The leading outcome is now Spain vs. England, carrying a 52.6% probability. Close behind is Spain vs. Argentina at 47.4%, effectively making Spain the consensus favorite to appear in the championship match.

More than $15.1 million has traded on the market, allowing prices to adjust quickly as each knockout match reshapes the bracket.

With only the final remaining, the market now reflects one central question: whether England or Argentina will meet Spain for the sport’s biggest prize.

Shipping recovery through the Strait of Hormuz timeline

One of Kalshi’s largest geopolitical markets continues pointing toward a slower recovery for commercial shipping through the Strait of Hormuz.

Traders currently assign a 39% chance vessel traffic returns to normal before Dec. 1, 2026, a 49% chance before Jan. 1, 2027, and a 65% chance before April 1, 2027.

More than $33 million has traded on the contract, highlighting sustained interest in one of the world’s most important energy corridors.

Although regional tensions have eased from their peak earlier this year, the market suggests participants expect shipping conditions to recover more gradually than many initially anticipated.

Shein takes over the lead in closely watched IPO market

The race to announce a public offering has tightened, but Shein has emerged as the market leader.

Kalshi traders now give Shein a 66% chance of officially announcing an IPO this year, ahead of Discord at 53%. More than $2.09 million has traded across the market.

Shein’s sharp rise marks one of the week’s biggest moves, reflecting renewed optimism surrounding the fast-fashion company’s long-awaited public debut. Discord also remains firmly in contention, with traders viewing the communications platform as slightly more likely than not to announce an IPO before year’s end.

As market conditions continue improving and speculation surrounding private companies intensifies, this contract is likely to remain one of Kalshi’s most active technology markets.

About the Author
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John Cole Dileva is a writer and student at Boise State University. He has carved out a niche in the iGaming world, covering prediction markets at GamingToday.

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