Kalshi has secured a record $1 billion funding, taking its valuation to $11 billion and marking the biggest win in regulated prediction markets. Backed by CapitalG, Sequoia Capital, Andreessen Horowitz, Paradigm, Anthos Capital and Neo, the CFTC-approved platform, founded by Tarek Mansour and Luana Lopes Lara, is redefining event-based trading.