For decades, the barrier was maintained by gaming compacts and the assumption that a wager is legally distinct from a trade. But that distinction evaporated.

In December 2025, DraftKings, FanDuel, Coinbase, and Robinhood didn’t launch betting apps. They launched financial derivatives, dressed up as betting apps.

  • DraftKings (market cap of ~$17.8B) is a CFTC-registered Introducing Broker. [RELEASE]

  • Coinbase acquired The Clearing Company. [RELEASE]

  • Robinhood turned its prediction markets into a full sports betting business by letting users place parlay-style and player bets on NFL games. [NEWS]

  • CME Group partnered with FanDuel to launch prediction markets. [RELEASE]

  • In January, Polymarket brought real-estate to prediction markets. [RELEASE]

This is bigger than sports betting: Every liquid market creates derivative markets. Once you can trade “Will Microsoft beat earnings?” you can create options on that binary outcome. The prediction market isn’t the endpoint, it’s the primitive that unlocks a derivatives ecosystem for every measurable event.

For an intro into Polymarket, read our primer below:

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What happened

By mid-December, the prediction market industry crossed a structural threshold. Trading volume on regulated platforms like Kalshi hit $1.8B weekly, a 180x increase from $100M in early 2024. More significantly, sports contracts now represent 90% of that volume, a complete inversion from 2024’s politics-heavy narrative.