Sports Illustrated The NFL Doesn’t Want You Trading This. Polymarket Is Doing It Anyway.
Polymarket has 112 live NFL free agency markets. Kalshi has Hendrickson odds moving in real time. Here's how prediction markets are pricing 2026's biggest signings.
Polymarket has 112 live NFL free agency markets. Kalshi has Hendrickson odds moving in real time. Here's how prediction markets are pricing 2026's biggest signings.