As of 8:00 PM local time in Cuba, the informal currency market concluded trading on Tuesday, August 11, 2026, with a decline in the two primary currencies. The U.S. dollar closed at 665 Cuban pesos (CUP), marking a drop of 5 pesos from the previous day when it stood at 670 CUP. The downward trend extends over the week: seven days ago, the dollar was at 673 pesos, representing a cumulative decline of 8 pesos over the past week. The dollar continues to be a crucial indicator in the informal market amid a structural shortage of foreign currency. Understanding the CiberCuba Exchange RateThe CiberCuba Exchange Rate is an index of Cuba's informal market, compiled through automated analysis of thousands of currency exchange posts on Telegram and Facebook groups.