KALSHI RAISES $300 MILLION, VALUING PREDICTION MARKET STARTUP AT $5 BILLION

Summary from the TLDR Founders newsletter

Kalshi raised $300 million in funding, valuing the prediction market platform at $5 billion, with plans to expand into 140 countries. Despite Kalshi's recent growth and surpassing Polymarket for weekly transactions, skeptics note it isn't fully on-chain. Meanwhile, rival Polymarket, valued at $9 billion, is preparing to re-enter the US market after a regulatory boost.