Awesome
usdcup.io
Web app that calculate and tracks the average price of the USD vs CUP by reading ads from popular classified website https://www.revolico.com/.
Disclaimer
This algorithm based on most recent USD sales listings from Revolico.com, would allow to close estimate how currently is being traded the USD vs CUP in the informal (street) market. However, these results should not be used as legal, tax, investment, financial or other advice. This web application is just an experiment for informational purposes.