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IRR to STN exchange rate history

Published daily Iranian Rial to São Tomé and Príncipe Second Dobra reference rates, with historical currency transitions adjusted for continuity.

Displayed range

September 4, 2025 to September 4, 2026

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Average rate: last 30 days

0.000015453928

▼ Down 0.15%

STN per 1 IRR · published daily observations

0.000015579610.0000154202010.000015260792
2026-08-03Low 0.000015282779 · High 0.0000155576232026-09-02

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Recent published rates

Date1 IRR
September 2, 20260.000015467811 STN
September 1, 20260.000015466901 STN
August 31, 20260.000015459307 STN
August 28, 20260.000015432245 STN
August 27, 20260.000015429442 STN
August 26, 20260.000015344352 STN
August 25, 20260.000015316352 STN
August 24, 20260.000015336138 STN
August 21, 20260.000015282779 STN
August 20, 20260.000015303948 STN
View STN/IRR historyArchive availability for this pair begins January 2, 2018.

Learn more about these currencies

IRR

Iranian Rial

Learn more about IRRSTN

São Tomé and Príncipe Second Dobra

Learn more about STN

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Frequently asked questions

How far back does IRR/STN history go?+

The pair is bounded by the later underlying series. The archive can cover this pair from January 2, 2018; the chart shows the most recent year of published observations.

Are weekends filled in?+

No. The chart draws published daily observations only. Weekends, holidays, and other gaps do not become invented rate rows.