Does Planet Nine exist?

Manifold·Science and Technology

As of 18:06 UTC on 15 Jun 2026, Manifold prices “Does Planet Nine exist?” at 26%. The market has no Manifold-reported volume in the last 24 hours. pdata.world compares it with 23 related events on Manifold, Kalshi, Opinion and Polymarket.

https://en.wikipedia.org/wiki/Planet_Nine Resolves once it's confirmed beyond a doubt that it does, or we've explored the solar system to an extensive enough degree that we couldn't possibly have missed it.