Brazilian real appreciates. Wharton Econometrics Forecasting Associates expects the Brazilian real (BRL) to depreciate by 30 percent against the U.S. dollar over the next 90 days from its current value of BRL 1. 72 = $1. What is the value of the predicted exchange rate? Chase Econometrics expects the U.S. dollar to appreciate by 22. 5 percent against the real over the same period; what is the exchange rate forecast?