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LeBron James Announces Partnership With Polymarket

The social-media teaser for “Polymarket HQ” signals rising athlete ties to prediction markets with key details left undisclosed.

Overview

  • LeBron James posted a short teaser video announcing a partnership with prediction-market firm Polymarket and promoting “Polymarket HQ,” and Polymarket publicly replied to his post.
  • The announcement does not explain what “Polymarket HQ” is, leaving it unclear whether the phrase refers to a physical space, a new product feature, or an advertising campaign.
  • Reports say James is the first individual player to sign with Polymarket and that the NBA has been in talks with the company, but those league-level discussions have not been confirmed by the NBA.
  • Fans reacted quickly on social media with criticism focused on gambling concerns and James’s role as a public figure; his earlier DraftKings ambassador deal reportedly expired in early 2026.
  • The move follows recent league deals that have normalized prediction markets in sports, such as MLB and the NHL partnering with these platforms, and it could prompt more commercial and ethical scrutiny of athlete endorsements.