Players are experiencing safety threats from ‘vitriol’ of prediction market users, 11x WNBA All-Star Nneka Ogwumike warns | Fortune0

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• October 17, 2026

As prediction markets like Kalshi and Polymarket are increasingly being used for sportsbetting, athletes are warning of the negative and even violent consequences of these platforms on players. At the Fortune Most Powerful Women Summit in Santa Barbara, California on Tuesday, Nneka Ogwumike, former Los Angeles Sparks forward, 2016 MVP, and 11-time All-Star in the