Will OpenAI announce another Millennium Prize solution?
As of 03:56 UTC on 23 Oct 2026, the highest-priced of the 2 markets in “Will OpenAI announce another Millennium Prize solution?” on Kalshi are “Before Jan 1, 2028” at 63% and “Before Jan 1, 2027” at 23% (+4pp in 24h). The event has $277 in Kalshi-reported 24-hour volume. pdata.world compares it with 22 related events on Predict, Polymarket, Kalshi and Manifold.