Sources: Kalshi and Polymarket are each eyeing valuations of ~$20B in fundraising talks; Kalshi was valued at $11B in December and Polymarket at $9B in October Wall Street Journal: Wall Street Journal 2026-03-08 Wall Street Journal, Kalshi, Polymarket Related Coverage Kalshi and Polymarket each exploring fundraising at $20 billion valuations, double previous rounds: WSJ The Block · Zack Abrams Kalshi, Polymarket seeking $20 billion valuations in fundraising talks: WSJ CoinDesk · Francisco Rodrigues Suspicious bets placed just before Trump's Iran strike trigger calls for federal probe Raw Story Prediction Market Giants Kalshi and Polymarket Eye $20B Valuations Amid Regulatory Pressures Blockonomi · Trader Edge Kalshi, Polymarket eye $20B valuations in potential fundraising: WSJ Cointelegraph · Amin Haqshanas Kalshi and PolyMarket Shoot for $20B Valuations StrictlyVC Kalshi and Polymarket Eye $20B Valuations as Prediction Markets Enter New Era The Crypto Times · Kenrodgers Fabian Kalshi and Polymarket weigh funding rounds at $20B valuations Crypto Briefing · Estefano Gomez Taking wagers on military strikes? It must stop Deseret News · Jay Evensen How much of what we consider insider trading is happening in prediction markets? My The Wall Street Journal colleagues have a compelling story … Dave Michaels