DraftKings and Flutter shares jump after Kalshi sports betting ruling
DraftKings (DKNG) and Flutter (FLUT) shares rose 6.5% and 4.6% respectively after a federal appeals court ruling on Kalshi's sports betting contracts. The Ninth Circuit decision may impact the regulation of sports prediction markets, benefiting these companies as they expand into this area. The legal battle is ongoing, with conflicting rulings across circuits.
How this was made

The 30-second read
Why it matters
The decision may set precedent for how prediction‑market platforms are regulated, influencing market structure.
Market read
The ruling sparked immediate price gains in major U.S. betting firms, highlighting regulatory risk as a catalyst.
What to watch
Potential antitrust scrutiny of large betting firms entering prediction markets.
Background
A Ninth Circuit appeals court decision addressed whether sports‑event contracts on prediction markets are swaps under federal law.
Ticker impact
DraftKings shares rose 6.5% after the Ninth Circuit ruling on prediction market regulation.
Potential upside of 5‑10% over the next weeks if regulatory clarity continues.
A double‑digit same‑day move driven by a fresh legal catalyst suggests strong market reaction.
Market effects
The ruling could accelerate growth of the U.S. sports‑prediction market sector and pressure traditional sportsbooks.
U.S. betting and fintech stocks may see heightened volatility.
International operators watching U.S. regulatory outcomes may adjust strategies.
Counterpoint
If regulators later deem prediction contracts gambling, the initial rally could reverse sharply.
Key entities
- CompanyKalshi
Prediction‑market platform litigating the regulatory classification.
- InstitutionNinth Circuit Court
Federal appeals court issuing the ruling.


