Historical Exchange Rates
STN to YER Historical Exchange Rates
Review date-based historical exchange-rate data for São Tomé and Príncipe Dobra and Yemeni Rial. This page is designed for historical lookup, not current conversion.
Showing the 1Y range. Providers may omit weekends, holidays or dates without published data.
Data source: Frankfurter | Rate date:
Historical Chart
STN/YER range data
1 STN = 11.03854 YER on
Monthly and annual reference summary
Calculated from available daily provider observations for 2026-07 and 2026.
| Date | Rate |
|---|---|
| 2026-07-08 | 1 STN = 11.053973 YER |
| 2026-07-09 | 1 STN = 11.068344 YER |
| 2026-07-10 | 1 STN = 11.051391 YER |
| 2026-07-13 | 1 STN = 11.083856 YER |
| 2026-07-14 | 1 STN = 11.071313 YER |
| 2026-07-15 | 1 STN = 11.054461 YER |
| 2026-07-16 | 1 STN = 11.090105 YER |
| 2026-07-17 | 1 STN = 11.067786 YER |
| 2026-07-20 | 1 STN = 11.094012 YER |
| 2026-07-21 | 1 STN = 11.096897 YER |
| 2026-07-22 | 1 STN = 11.049754 YER |
| 2026-07-23 | 1 STN = 11.041156 YER |
| 2026-07-24 | 1 STN = 11.021682 YER |
| 2026-07-27 | 1 STN = 11.050873 YER |
| 2026-07-28 | 1 STN = 11.03854 YER |
Historical trend summary
Observed changes in STN/YER
Across 255 provider observations from to , STN/YER finished below its first observation. The observed change was -2.56%.
The lowest observed rate was 1 STN = 10.982398 YER on . The highest was 1 STN = 11.568885 YER on . These statements describe the selected data only and are not a forecast.
Historical Context
Understanding STN/YER historical data
STN/YER records how many yemeni rial units one são tomé and príncipe dobra represented at each provider publication. São Tomé and Príncipe Dobra is associated with São Tomé and Príncipe, while Yemeni Rial is associated with Yemen. The series can support dated price comparisons, cross-currency records and research into how the relationship changed over the selected period.
Observed movement can reflect relative inflation, economic activity, monetary-policy conditions, trade and demand for the two currencies. The documented exchange-rate arrangements also provide context: Fixed relationship with the euro; YER is the national monetary unit, while conflict-related institutional and regional conditions can affect accessible exchange quotations.. These are historical reference observations, not intraday transaction prices, forecasts or evidence that a single factor caused a particular change.
Exchange-rate information is provided for reference only and is not financial, trading or investment advice.
Source and calculation method
CurrencyHub preserves the requested date separately from the actual provider publication date. Monthly and annual averages are arithmetic means of available daily observations, and the month-end value is the final published observation in that calendar month. No missing weekend or holiday rate is invented or interpolated. Review the policy that applies to any accounting, tax or legal use.
Data interpretation note
These observations are reference rates for comparison and research, not bank execution prices. A requested weekend or holiday may have no publication because the provider follows its own release calendar; CurrencyHub identifies the actual published date instead of inventing or interpolating a value. Banks and payment services can use different processing dates, spreads and fees.