Have you seen the Good Judgment Project, founded by Philip Tetlock, author of Superforecasting? https://www.gjopen.com/ https://www.gjopen.com/ https://www.gj

Have you seen the Good Judgment Project, founded by Philip Tetlock, author of Superforecasting? https://www.gjopen.com/ https://www.gjopen.com/ https://www.gjopen.com/questions/813-before-1-october-2018-will-amazon-announce-where-its-second-headquarters-is-to-be-located https://www.gjopen.com/questions/813-before-1-october-2018-w... https://goodjudgment.com/superforecasting/index.php/2018/06/11/the-crowd-scores-another-win-in-ohio/ https://goodjudgment.com/superforecasting/index.php/2018/06/... It's karma-driven rather than wager-driven but seems fairly active.