[IPO] Palantir IPO in 2019 H1

Created by Cato on 2019-03-05; known on 2019-07-01; judged wrong by Cato on 2019-07-01.

• Cato estimated 30% on 2019-03-05
• pranomostro estimated 40% on 2019-03-07
• Cato estimated 10% on 2019-05-29
• Cato estimated 0% on 2019-06-13
• Cato   judged this prediction wrong on 2019-07-01.