High Roller Technologies Inc. (ROLR) stock more than doubled after the online casino operator said it planned to introduce an event-based prediction market in the U.S. in conjunction with Crypto.com.

The Las Vegas-based company said Tuesday it will initially offer its customers Crypto.com Derivatives North America (CDNA) event contracts in the U.S. across finance, sports and entertainment. CDNA is a CFTC-registered exchange and clearinghouse and affiliate of Crypto.com. It didn’t say when the planned market would start operating.

The company’s share rose as much as 130% and were recently 65% higher at $8.32. Crypto.com’s CRO token gained 3% after the announcement to 7 cents.

Prediction markets have quickly gone from being niche betting…