Currency War of 2009–11 dollar, with Goldman Sachs saying the real is the most over valued currency in the world. In October 2010, Brazil began increasing her capital controls, doubling a tax on foreign purchases of fixed-income assets to 4 percent so as to curb the real's appreciation to a two-year. On 18 October, Brazil sought to curb the real's gains by raising taxed capital inflow on fixed-income assets by 2% to 6% and taxed inflows for margin deposits on futures to 6% from 0.38%. Chile said it would implement capital controls to curb gains in the Chilean peso, which had strengthened the most
Currency War of 2009–11 ever. In May, Alan Beatie for the "Financial Times" suggested that the Currency War was not over, it had merely entered a lull, with the underlying tensions still unresolved. In July 2011, Guido Mantega told the "Financial Times" that the struggle between China and the US was still ongoing, suggesting that several emerging economies including Brazil were still experiencing undesirable upwards pressure on their exchange rates. As investor confidence in the global economic outlook fell in early August, Bloomberg suggested the currency war had entered a new phase. This followed renewed talk of a possible third round of quantitative easing