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Articles / prediction-markets / Kalshi, Crypto.com and Polymarket US Sue to Block Kentucky Prediction Market Tax

Kalshi, Crypto.com and Polymarket US Sue to Block Kentucky Prediction Market Tax

Jun 14, 2026 · Source: defirate.com · Topic:  prediction-markets
Prediction Market Tax Rate
14.25%
Kentucky's proposed tax rate on prediction market transaction fees.
Horse Track Tax Rate
9.75%
Kentucky's tax rate on wagers at horse tracks, used for comparison against the prediction market tax.
Effective Date for Tax
January 1, 2027
Scheduled implementation date for Kentucky's 14.25% prediction market tax.

§ 01 Executive Snapshot

  • What: A coalition including Kalshi, Crypto.com, and Polymarket has filed a lawsuit against Kentucky to block a new 14.25% tax on prediction market transaction fees.
  • Who: Key players include KalshiEX LLC, Crypto.com’s North American Derivatives Exchange Inc., and QCX LLC (Polymarket).
  • Why it matters: This lawsuit challenges the legality of Kentucky's targeted tax on prediction market operators and could set a precedent for how states regulate federally recognized prediction markets.

§ 02 Key Developments

  • The lawsuit argues that Kentucky's tax unlawfully discriminates against federally regulated event contract exchanges.
  • The coalition claims that Kentucky's tax is a targeted effort to penalize prediction markets, which are seen as a threat to the state's gaming industry.
  • Kentucky's 14.25% tax on prediction market transaction fees is higher than the 9.75% tax on wagers at horse tracks.

§ 03 Strategic Context

  • This lawsuit represents the first direct legal challenge to Kentucky's new tax targeting prediction markets, marking a significant moment for the industry.
  • The formation of the Coalition for Fair Markets highlights the growing concern among prediction market operators regarding state-level regulatory actions that could hinder their operations.

§ 04 Strategic Implications

  • If successful, the lawsuit could pave the way for more favorable regulatory environments for prediction markets in Kentucky and potentially other states.
  • The case may influence future legislative decisions regarding the taxation and regulation of prediction markets across the United States.

§ 05 Risks & Constraints

  • The lawsuit faces challenges from Kentucky's legislative intent to regulate gaming, which may complicate arguments against the tax.
  • The coalition must navigate potential backlash from state lawmakers who may view this legal action as an affront to state sovereignty over gaming regulations.

§ 06 Watchlist / Forward Signals

  • The coalition is seeking relief before Kentucky's tax takes effect on January 1, 2027, which adds urgency to the case.
  • Future developments will signal the success or failure of the lawsuit, particularly any rulings from the court on the validity of state taxation of federally regulated markets.
§ 07

Frequently Asked Questions

What is the lawsuit about?

The lawsuit filed by Kalshi, Crypto.com, and Polymarket aims to block Kentucky's new 14.25% tax on prediction market transaction fees.

Why does the coalition believe the tax is unfair?

The coalition argues that Kentucky's tax unlawfully discriminates against federally regulated event contract exchanges and is a targeted effort to penalize prediction markets.

When does the tax take effect?

Kentucky's tax is set to take effect on January 1, 2027, which adds urgency to the coalition's legal challenge.

Who are the key players involved in the lawsuit?

The key players in the lawsuit include KalshiEX LLC, Crypto.com’s North American Derivatives Exchange Inc., and QCX LLC (Polymarket).

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