Abstract: Currency and financial crises are determinants of growth and development, mainly in developing countries subject to shocks, contagion and volatility. A relevant issue when trying to do the implementation of development policies is to anticipate or forecast the occurrence of currency crises that could turn good ideas into failure. This type of crises have strong negative economic, social and political consequences. This paper takes a look in the leading indicators literature and shows that this approach failed in predicting the Argentinean collapse of 2001-2002. We also show that particular features of the Argentinean economy needed of different indicators to forecast the collapse of the currency board system. The paper also develo...