Sources: Polymarket is in talks to raise 400M at a ~15B post-money valuation, up from 9B in October 2025, but below Kalshi's 22B valuation from March 2026 (The Information)
The Information: Sources: Polymarket is in talks to raise 400M at a ~15B post-money valuation, up from 9B in October 2025, but below Kalshi's 22B valuation from March 2026 — The predictions site Polym