This STD To TOP 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 Tongan Pa'anga
The above chart show the exchange rate of 1 STD to TOP. If the chart run up, it means Sao Tomean Dobra appreciates against Tongan Pa'anga. If the chart run down, it means Sao Tomean Dobra devalues against Tongan Pa'anga.