The NFL applies the restriction to prediction markets such as Polymarket and Kalshi, even as it partners with traditional sportsbooks. Other major sports leagues have taken a different approach, signing prediction-market partnerships, while athletes including Giannis Antetokounmpo, Bryson DeChambeau, and LeBron James have also become involved with these companies.
Barkley has pursued investments across technology, AI, and cryptocurrency. He previously said he would convert all his endorsement earnings into Bitcoin and reported investing his $31.5 million rookie contract.
### Key Takeaways
– NFL rules prohibit players from investing in or endorsing prediction markets.
– Barkley confirmed he no longer holds a stake in Polymarket because of the restrictions.
– His broader portfolio includes technology, AI, and cryptocurrency investments.
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