The peso is gaining this week on the US dollar after losing value for the past weeks. The US dollar was being sold for RD$15.75 in banks. Commercial banks maintain their purchase price of US dollars at RD$15.40-RD$15.50. The Central Bank rate is at RD$15.51 to the dollar. The dollar had hit highs of more than RD$16.20 to the dollar on the street markets last week.