Nevada has issued a temporary restraining order against prediction market platform Kalshi, forcing it to cease operations in the state. The First Judicial District Court of Nevada's 14-day order requires Kalshi to obtain gaming licenses before offering event-based contracts related to sports, politics, and entertainment. This legal action marks a significant setback for Kalshi, as Nevada is a major betting market. Kalshi is embroiled in legal battles across the U.S., with recent criminal charges filed by Arizona's attorney general and ongoing disputes in Ohio and other states. The core issue is whether Kalshi's event contracts are financial instruments under federal law, as the company claims, or subject to state gambling regulations. Despite these challenges, Kalshi recently raised $1 billion, doubling its valuation to $22 billion, indicating strong investor confidence in the prediction market sector's growth potential.