The Good Judgment Project is the OG competitive prediction website, yeah? Metaculus was released in 2015 and Manifold, Kalshi, and Polymarket were all part the crypto boom. I suppose there's Long Bets (2002?) but that always had a barrier to entry
Good Judgment Project apparently started in 2011 as part of an IARPA tournament. I first learned about through The Economist, which frequently mentions the crowd consensus on forecasts related to Economist articles.
The Good Judgment Project is the OG competitive prediction website, yeah? Metaculus was released in 2015 and Manifold, Kalshi, and Polymarket were all part the crypto boom. I suppose there's Long Bets (2002?) but that always had a barrier to entry
Good Judgment Project apparently started in 2011 as part of an IARPA tournament. I first learned about through The Economist, which frequently mentions the crowd consensus on forecasts related to Economist articles.