DraftKings and FanDuel daily fantasy battles (2015-2016)
New York's attorney general issued cease-and-desist letters to daily fantasy sports operators, calling them illegal gambling. DraftKings and FanDuel fought back in court.
The companies reached settlements, paid fines, and lobbied state legislatures.
Most states legalized daily fantasy sports by statute, creating a regulatory path for new betting products.
Shows one path prediction markets could follow: negotiate state-by-state legalization rather than rely on federal preemption.
