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A major name from professional sports is now directly tied to the prediction market space. An NBA superstar has disclosed an ownership position in a federally regulated trading platform, marking a rare crossover between elite athletes and event based financial markets.
Good to Know
Giannis Antetokounmpo revealed Friday on X that he now holds an ownership stake in Kalshi, a CFTC regulated exchange that offers event contracts tied to sports and other real world outcomes.
“The internet is full of opinions,” Antetokounmpo wrote. “I decided it was time to make some of my own. Today, I’m joining Kalshi as a shareholder.
“We all on Kalshi now.”
The announcement marks what Kalshi described as an unprecedented step for a current professional athlete, particularly one still competing at the highest level. The nine time All Star and 2021 NBA champion will collaborate with Kalshi on marketing initiatives and live appearances tied to the platform.
Kalshi said Antetokounmpo is prohibited from trading on NBA related markets under the company insider trading rules, citing his access to non public information as an active player.
Kalshi chief executive Tarek Mansour welcomed the partnership, positioning it as a long term brand alignment.
He said:
“Giannis is a legend. He’s exactly the type of long-term partner we want to align our growing brand with, and we couldn’t be happier he’s on board.”
On the same day as the announcement, Antetokounmpo team, the Milwaukee Bucks, were listed as a 1.5 point underdog against Indiana on Kalshi. That market had already generated more than $90,000 in trading volume. Kalshi also hosts a dedicated page featuring Antetokounmpo related contracts across nine active markets.
League rules add an extra layer of complexity. Under the NBA 2023 Collective Bargaining Agreement, players may hold passive investments of less than 1 percent in sports betting related companies. However, they are barred from owning, operating, or managing sportsbooks.
Kalshi sits in a distinct regulatory category. The platform operates as a prediction market exchange rather than a traditional sportsbook, offering event contracts regulated at the federal level. That distinction allows for passive ownership while still enforcing strict limits on trading activity by insiders.