Historical Exchange Rates
BND to SLE Historical Exchange Rates
Review date-based historical exchange-rate data for Brunei Dollar and Sierra Leonean Leone. This page is designed for historical lookup, not current conversion.
Showing the 3M range. Providers may omit weekends, holidays or dates without published data.
Data source: Frankfurter | Rate date:
Historical Chart
BND/SLE range data
1 BND = 18.209901 SLE on
Monthly and annual reference summary
Calculated from available daily provider observations for 2026-10 and 2026.
| Date | Rate |
|---|---|
| 2026-10-06 | 1 BND = 18.580368 SLE |
| 2026-10-07 | 1 BND = 18.773069 SLE |
| 2026-10-08 | 1 BND = 18.737015 SLE |
| 2026-10-09 | 1 BND = 18.606577 SLE |
| 2026-10-12 | 1 BND = 18.483475 SLE |
| 2026-10-13 | 1 BND = 18.366406 SLE |
| 2026-10-14 | 1 BND = 18.579346 SLE |
| 2026-10-15 | 1 BND = 18.629699 SLE |
| 2026-10-16 | 1 BND = 18.546775 SLE |
| 2026-10-19 | 1 BND = 18.423233 SLE |
| 2026-10-20 | 1 BND = 18.369965 SLE |
| 2026-10-21 | 1 BND = 18.032248 SLE |
| 2026-10-22 | 1 BND = 18.183526 SLE |
| 2026-10-23 | 1 BND = 18.238748 SLE |
| 2026-10-26 | 1 BND = 18.209901 SLE |
Historical trend summary
Observed changes in BND/SLE
Across 64 provider observations from to , BND/SLE finished below its first observation. The observed change was -0.78%.
The lowest observed rate was 1 BND = 18.032248 SLE on . The highest was 1 BND = 19.063361 SLE on . These statements describe the selected data only and are not a forecast.
Historical Context
Understanding BND/SLE historical data
BND/SLE records how many sierra leonean leone units one brunei dollar represented at each provider publication. Brunei Dollar is associated with Brunei, while Sierra Leonean Leone is associated with Sierra Leone. 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: Market-based exchange-rate framework. These are historical reference observations, not intraday transaction prices, forecasts or evidence that a single factor caused a particular change.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.