Kalshi Faces Class Action Lawsuit Over Khamenei Market Controversy: Death Clause Sparks Regulatory Concerns

US-based prediction market platform Kalshi is facing a class action lawsuit over a contract concerning the life and death of Iran's Supreme Leader, Ali Khamenei. The contract stipulates that if Khamenei dies, the contract will be settled at the last traded price before death, rather than full payout. Despite rumors of military strikes circulating in multiple locations on February 28th, the platform continued to attract investors to buy 'Yes' positions, leading users to question whether there was misleading conduct.

The core of the dispute lies in whether the platform's 'death waiver clause' constitutes a material risk that was not adequately disclosed when the subject of the prediction contract is highly dependent on the death of a political figure. Although this clause is recorded in the contract rules, it was not prominently displayed to users, leading traders to make decisions under information asymmetry.

Kalshi was one of the most watched beneficiaries of the easing of US prediction market regulations in 2024, and its compliant status has earned it widespread recognition in the field of financial innovation. However, this lawsuit not only challenges its business ethics but also touches on the boundaries of the regulatory framework – should prediction markets bear a higher standard of information transparency when participating in geopolitical events? The outcome of this case may set a key precedent for similar contracts in the future.