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Last Saturday, on the same day that Ohio State University made its season debut in college football, James teased a new commercial relationship with Polymarket. James, an ardent Buckeyes’ supporter, posted a brief video on social media platform X, where he announced his partnership with the controversial platform. While college football fans watched Ohio State thrash Miami (Ohio) 56-3, industry stakeholders wondered aloud which athletes would join “King James”.
After all, James indicated in the post that more details would be forthcoming. By Tuesday, the stakeholders received their answer when Polymarket aired a splashy ad that received more than 15.5 million views on James’ X page.
Following an extended three-day holiday for Labor Day Weekend, Polymarket went live with a colourful 90-second spot directed by award-winning filmmaker Peter Berg, the director of the acclaimed television series Friday Night Lights. The spot, which featured the likes of Eli Manning, Derek Jeter, Richard Sherman, John Leguizamo and Spike Lee, among other celebrities, coincided with the launch of Squads, a new social experience within the US Polymarket app.
About 16 Coins
In May, Selig wrote in a social media post on X that under Trump’s leadership, the nation became the “crypto capital of the world“. Moving forward, the absence of a law makes any rules or advisories issued by the CFTC or the Securities and Exchange Commission vulnerable to being reversed or challenged in court, according to CoinDesk. As of Thursday evening, Selig had not released a statement on the vote.
Prediction markets aside, the absence of crypto on a federal level may have some drag on the regulated industry, especially in the iGaming and sports betting space.
Younger patrons are increasingly familiar with crypto, but the lack of regulatory adoption in the regulated space can push bettors to offshore or unlicensed platforms, most of which do accept it. At the ICE Barcelona conference in 2025, a panel of international sports betting CEOs lamented the fact that they were barred from adopting crypto, while their black-market competitors were not.
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Two operators alone – Kalshi and Polymarket – topped the combined $1 billion mark in NFL trading activity over the first six days of Week 1, according to numerous measures this week. During the period, Kalshi recorded NFL volume of $983.4 million, according to DeFi Rate, earning the pole position by a large margin. Mahomes and the Kansas City Chiefs thrashed the Denver Broncos 31-10 on Monday Night Football, capping the largest week for prediction markets ever.
Even before the primetime matchup in Kansas City, it became abundantly clear that the industry would shatter previous marks for weekly activity. The AFC West showdown bolstered the already robust totals. Overall, volume for the week hit a record $15.9 billion, according to Bank of America, up 16% from a week earlier.
The pure-play prediction market-operators, Polymarket and Kalshi, emerged from Week 1 as the clear winners. On one hand, Kalshi’s market share lead narrowed over its competitors, falling to 82% for the week ended 13 September, down from 86% a week earlier.