[Commodities] Iran to be a member of OPEC as of 2019-12-12

Created by Cato on 2019-06-11; known on 2019-12-12; judged right by Cato on 2019-12-12.

• Cato estimated 74% on 2019-06-11
• stepan estimated 80% on 2019-06-11
• pranomostro estimated 80% on 2019-06-11
• pranomostro estimated 70% on 2019-06-11
• Cato estimated 63% on 2019-08-07
• Cato estimated 51% on 2019-09-19
• Cato estimated 57% on 2019-09-19
• Cato estimated 77% on 2019-11-20
• Cato estimated 99% on 2019-11-20
• Cato   judged this prediction right on 2019-12-12.