In the ongoing negotiation between financial innovation and the sanctity of athletic competition, the NFL has drawn a firm line against prediction market platforms Kalshi and Polymarket, demanding they cease offering sports wagers the league deems vulnerable to manipulation. Unlike traditional sportsbooks bound by regulatory safeguards, these platforms allow individual actors to move markets in ways that could incentivize interference with the games themselves. The demand reflects a deeper tension in the modern sports era: as the architecture of betting grows more decentralized and granular, t