sports
February 20, 2026
Prediction markets are fake news machines
Trade rumors are not new or unique to the NBA. In fact, the MLB trade deadline is over 100 years old. What is new is online betting markets that allow gamblers to bet on whether those trade rumors are true, and players who can start those rumors, all while taking an ownership stake in the online gambling platform.

TL;DR
- Online betting markets enable gambling on the veracity of trade rumors.
- Players can initiate rumors and also hold ownership stakes in these platforms.
- Giannis Antetokounmpo became a shareholder in Kalshi after trade rumors involving him surfaced.
- Kalshi has prohibited Antetokounmpo from participating in NBA-related trades on their platform.
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