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: 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   —  Prediction market rivals are speaking to investors about roughly doubling their previous valuations