This STD To USD Exchange Rate Chart lets you see this pair's currency rate history for up to 90 days
Live forex chart for Sao Tomean Dobra to US Dollar
The above chart show the exchange rate of 1 STD to USD. If the chart run up, it means Sao Tomean Dobra appreciates against US Dollar. If the chart run down, it means Sao Tomean Dobra devalues against US Dollar.