The decision taken today should ensure that the real and real-based funds, including EWZ, are kept in check before the G20 summit tomorrow. This is particularly important as Brazil has a history of hyperinflation, with monetary policy makers setting an unrestricted inflation target and being content with prices rising at 2% to 6.5% per year. Although Brazilian officials will not be present, they may declare new measures designed to weaken the Real during the current currency wars caused by China's rate hike.