The Central Bank of Paraguay publish the most relevant currency quotes every month in their Cotización Referencia Mensual page.
The page has two options to get the data, a
ajax request per month and year. Because the pdf option require manual labor to extract and process the data, I choose the ajax way.
The request is very simple, something like this:
With this simple python script I can get all the quotes from
To get the updated data, execute:
This script generates a
csv with one line per quote per month and per year, so you need to convert the data to use a service la Plot.ly. For example, I use LibreOffice with the PivotTable feature to group the data by currency and year, and then plot the data:
Note that the plot don’t show all the available currencies, to show an specific currency, click the name in the right menu.