ESMA warns EU retail binary options ban already covers prediction market event contracts
The European Securities and Markets Authority (ESMA) warned on July 3, 2026 that many prediction market event contracts may already be prohibited for EU retail investors under existing binary options rules. The regulator said firms cannot circumvent EU financial rules by marketing binary-style products as event contracts. ESMA defined event contracts as agreements with a binary financial outcome depending on a yes-or-no answer.
Kalshi faces a direct block on its European expansion. The $22 billion platform cannot market yes-or-no sports or political contracts to retail users across the EU without falling under existing national product intervention measures.
Each member state already holds authority to enforce retail bans, so Kalshi would need country-by-country legal reviews rather than one Brussels clearance. European retail growth plans turn from a timeline question into a legal uncertainty that could push Kalshi toward institutional-only offerings or offshore structures outside EU reach.