http://www.er.ethz.ch/fco/index The Financial Crisis Observatory (FCO) is a scientific platform aimed at testing and quantifying rigorously, in a systematic way and on a large scale the hypothesis that financial markets exhibit a degree of inefficiency and a potential for predictability, especially during regimes when bubbles develop. en-us http://arxiv.org/abs/0911.0454 We introduce a new experiment involving the forecasts of the end of bubbles in financial time series.