Will Planet Nine be confirmed by the end of 2028?
7
100Ṁ185
2028
14%
chance

The

  • Update 2025-07-03 (PST) (AI summary of creator comment): The market refers to the specific planet hypothesized to explain the clustering of orbits for a group of trans-Neptunian objects.

  • Update 2025-07-04 (PST) (AI summary of creator comment): For the market to resolve to YES, the discovered object must also be classified as a planet by the IAU.

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