Prediction market platform Kalshi has raised over $300 million in a new funding round, boosting its valuation to $5 billion. The company plans to announce the funding on Friday, with participation from major investors including Sequoia Capital, Andreessen Horowitz, Paradigm, CapitalG, and Coinbase Ventures. This latest round comes shortly after Kalshi's previous funding in June and marks a significant increase in its valuation. Kalshi also intends to expand its services globally, allowing customers in over 140 countries to place bets on its platform. The rapid growth and international expansion have drawn significant interest from venture capital firms, underscoring the platform's potential in the prediction market space.